From: "John Slade" <rjslade@bellsouth.net>
Subject: COZY: Chap 17 - Landing Brake angle
Date: Sun, 18 Jul 1999 18:07:06 -0400

Hello Builders,
Could someone tell me what the proper angle of the landing brake should be
when fully deployed?

I can't seem to find any reference to this in the plans.  I guess that's
because the angle is governed by the manual plans mechanism.  I'm installing
an electric actuator so everything depends on where I mount the brackets.
Thanks in advance for this info.
John Slade
Cozy MkIV #757



From: Fritzx2@aol.com
Date: Tue, 20 Jul 1999 16:56:04 EDT
Subject: Re: COZY: Chap 17 - Landing Brake angle


>I can't seem to find any reference to this in the plans.  I guess that's
>because the angle is governed by the manual plans mechanism.  I'm installing
>an electric actuator so everything depends on where I mount the brackets.
>John Slade

I believe the angle was 60 degrees included angle when opened
up fully.  I too had the same question as you did.  I find it odd that
all the other surface deflections are so well defined by either an
angular deflection or a tip displacement but the air brake is
not defined.

John Fritz

From: Don Bowen <DonBow@symix.com>
Subject: COZY: RE: Landing Brake Angle
Date: Tue, 20 Jul 1999 17:46:43 -0400

John Slade wrote:

Could someone tell me what the proper angle of the landing brake should be
when fully deployed?

Here are my 2 cents worth:

I recently completed the installation of the speed brake on my Cozy Mk IV
using the electric actuator kit.

I also looked through the Cozy plans and the electric actuator kit plans and
could not find any specifications (in degrees) for speed brake deflection.

As presently installed, my speed brake is (as best as I can measure it)
fully extended at approximately 70 degrees to the fuselage.

I think this will depend on how / where you locate the actuator attach
bracket.  I located mine low enough as to avoid interference with the map
pocket, while high enough to avoide any cables, fuel lines, etc. that will
be subsequently installed above the heat duct.

I recently sent in some photo's of this installation to Nat Puffer, so
hopefully they will appear in the next newsletter.  John, I have a couple of
photo's left over, so you can contact me directly if you think they would be
of assistance to you.

Good luck with your project,

Don Bowen
Cozy Mk IV, s/n 440
donbow@symix.com

From: "david vollrath" <dgv97@hotmail.com>
Subject: Re: Fwd: Re: COZY: Chap 17 - Landing Brake angle
Date: Tue, 20 Jul 1999 17:08:01 PDT





>John Fritz
>
> >I believe the angle was 60 degrees included angle when opened
> >up fully.
>
>Sounds (well, looks) about right.
>
> >.....  I too had the same question as you did.  I find it odd that
> >all the other surface deflections are so well defined by either an
> >angular deflection or a tip displacement but the air brake is
> >not defined.
>
>I'm going to assume that it's not defined because it really doesn't matter
>much, within the range of possible deflections caused by tolerances in the
>manual LB installation.  Anywhere from 50 degrees to 70 degrees - the
>difference in drag will be all but unnoticeable.  Just make sure it's flush
>when retracted, and goes out to about 60 degrees, and you'll be fine.
>
>--
>Marc J. Zeitlin           mailto:marcz@ultranet.com
>                           http://www.ultranet.com/~marcz/

Also

Don't forget to have at least an inch of clearance between the extended 
brake and the ramp with the aircraft at gross wieght and the gear fully 
splayed out.

Of course none of us have taxied in and parked with the brake extended. :-)

David Vollrath


_______________________________________________________________
Get Free Email and Do More On The Web. Visit http://www.msn.com

Date: Thu, 22 Jul 1999 18:04:28 -0400
From: "L. Wayne Hicks" <lwhicks@erols.com>
Subject: COZY: Pre-Fab Switch Panels

> 
> John Slade first wrote:
> 
> >  Is there anything prefab out there that
> > doesn't cost $300?
> 
Rob Mozer, Jr. replied:
I had the same question with regard to electric Landing Brake.  Let us
> know what you hear.
> 
--------> I think Composite Design makes prefab switch panels for the
landing
brake mechanism and the Wright nose lift-->

http://www.integrityonline15.com/wwerner/Composite_Design_Homepage.htm

Wayne Hicks
Cozy IV #678
Chapter 13, 18
http://www.geocities.com/yosemite/falls/2027

Date: Tue, 20 Jul 1999 23:28:02 -0700
From: "LCDR James D. Newman" <infaero@flash.net>
Subject: COZY: Re:  Landing Brake

Hi John and All,

> What kind of control / indicator gizzmo's have people built for the electric LB and nose gear? Is
> there anything prefab out there that doesn't cost $300?

    MAC makes a really nice light bar, now a needle position indicator just for such an occasion.
Call Vern at:  (760) 598-0592  .  http://www.menzimeraicrcraft.com  .


Infinity's Forever,

        JD

From: "John Slade" <rjslade@bellsouth.net>
Subject: Re: COZY: RE: Landing Brake 
Date: Tue, 20 Jul 1999 17:06:42 -0400

Hi Don and others who replied to my landing brake question.
Thanks for the input and the offer of pictures.

At Nat's 'prompting' I looked at the plans again :) and found that the LB is
shown fully deployed on M28. The angle from the vertical measures half of 45
degrees. i.e. 67 1/2 degrees from horizontal.  I doubt that 2.5 degrees will
be an issue, but we are getting pretty close to the vertical, so I think I'd
rather err on the low side.

I've just about completed my LB installation now, and will post pictures in
my web site when I get them developed. Don, if you want to send copies of
your pics to me (address sent in private message) I'll post them also.

was said:
>Anywhere from 50 degrees to 70 degrees - the
>difference in drag will be all but unnoticeable
I wonder if that's true.

One last question on landing brakes.....
I got a couple of DPDT switchs, some mini red & green lights and a couple of
micro contact switches from Radio Shack. They work, but I'm not really happy
with them. What kind of control / indicator gizzmo's have people built for
the electric LB and nose gear? Is there anything prefab out there that
doesn't cost $300?

Regards,
John Slade
Cozy MkIV #757 http://kgarden.com/cozy



From: "Nat Puffer" <natp@cozyaircraft.com>
Subject: Re: Re: COZY: Chap 17 - Landing Brake angle
Date: Wed, 21 Jul 1999 06:19:46 -0000

Builders,
The landing brake is shown extended on large drawing M-28 (as I remember, I
don't have drawings with me on our trip). The angle isn't real critical,
and the brake isn't adjustable (very much) if you install it with the
hardware shown in the plans.
Regards,
Nat
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From: "John Slade" <rjslade@bellsouth.net>
To: "Marc J. Zeitlin" <marcz@ultranet.com>,
        "Cozy Builders Mailing List" <cozy_builders@canard.com>
Subject: Re: Re: COZY: RE: Landing Brake 
Date: Fri, 23 Jul 1999 00:50:22 -0400
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Marc,

>>>Anywhere from 50 degrees to 70 degrees - the
>>>difference in drag will be all but unnoticeable
>>I wonder if that's true.
>
>Well, a BOTE (back of the envelope) calc. shows that with the amount of
>extra frontal area in going from 50 deg. to 70 deg., assuming a drag
>coefficient of (1), a forward speed of 100 mph and a 1700 lb. COZY, the
>difference in vertical descent rate would be about 60 fpm.  This may be off
>by a factor of 2 (remember, BOTE) but I'll bet it's pretty close.
>
>Use the energy method to equate the power lost in drag to the power
>obtained in vertical descent.  This is left as an exercise for the student
:-).


I was thinking of the additional force on the landing brake brakets / hinges
/ screws etc.
John Slade


From: "John Slade" <rjslade@bellsouth.net>
Subject: Re: COZY: Pre-Fab Switch Panels
Date: Thu, 22 Jul 1999 19:45:54 -0400

>--------> I think Composite Design makes prefab switch panels for the
>landing
>brake mechanism and the Wright nose lift-->
They have a nice looking gear panel for $125. Don't see anything for the LB.

From: alwick@juno.com
Date: Sat, 24 Jul 1999 11:46:57 -0700
Subject: Re: COZY: Landing brake, allowance for some engine cooling airflow

This landing brake is another good thing to look at from the Failure Mode
and Effects Analysis (FMEA) point of view.
It seems that the original design for landing brake was "Let's throw a
big flap down to increase drag and reduce risk of shock cooling." But
clearly it reduces air flow a bit too much. We end up with an expensive
failure mode of engine overheat and possible loss of power if brake
deployed under certain conditions. With the original mechanical brake
design, all you need do is NOTICE the overheating condition and retract
the brake. Since it's easy to notice (noise) the risk is very very small.
An electric actuator adds a few failure modes to the scenario(loss of
power, etc). Still low probabability of failure, but substantially higher
than the original design. 
We have three options to reduce risk. 1) Reduce the probability of
failure. 2) Increase the chances you will notice the condition before
failure. 3) Alter the EFFECT of the failure. Altering the effect is one
of the most effective actions you can take because you don't have to
worry about unforseen causes. Things like that inaccessable fuse blowing
at the wrong time, electric power failure, actuator cable breaking, etc.
There is a great deal of value to a design that includes a slight
increase to cooling flow while not negatively effecting drag, cg, or
other items.
Often I hear statements like "This can't happen with a properly trained
pilot...blah blah". Training works, but it's not long  lasting, varies
pilot to pilot, etc. However, if you alter the design so that the plane
is insensitive to the deployed brake, THEN you really have a robust
design. If you can fly around all day with deployed brake, you don't need
to worry about all the things that can cause it to stay deployed.
Perhaps, a slight design change can increase the airflow 10% and
eliminate the EFFECT on the aircraft engine.
When my landing brake is deployed, there is 0 clearance between it and
the fuselage. I wonder how much clearance it would take at that hinge
line to increase flow to the NACA scoop? Too bad we can't come up with
some simple way to measure the changes. Like making an 1/8" scale model
and then placing it under your water faucet to estimate how much flow
passes to naca with varying gaps. I'd consider testing it during the
winter months, but my aircraft already has a much reduced risk of this
type of failure. I've got bigger fish to fry and will need to focus on
those. Sure would be nice if someone else tested it though. I really
suspect that a minor design change here can eliminate the effect. We just
need a wee bit more naca flow.

-al wick
Canopy Latch System guy.
Artificial intelligence in Cockpit
Cozy sn 389 driven by stock Subaru 2.5 ltr.97% complete.

___________________________________________________________________
Get the Internet just the way you want it.
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From: "Nat Puffer" <natp@cozyaircraft.com>
Subject: Re: COZY: Landing brake, allowance for some engine cooling airflow
Date: Tue, 3 Aug 1999 15:01:40 -0000



----------
> From: alwick@juno.com
> To: cozy_builders@canard.com
> Subject: Re: COZY: Landing brake, allowance for some engine cooling
airflow
> Date: Saturday, July 24, 1999 6:46 PM
> 
> This landing brake is another good thing to look at from the Failure Mode
> and Effects Analysis (FMEA) point of view.
> It 
Dear Builders,
The landing brake is an optional landing aid, to increase the angle of
descent, but not necessary for landing.Your can do the same thing with both
rudders. I know of no reason why anyone would want to fly around with it
down. Simply install it per plans and use it per owners manual, and sleep
peacefully at night. Stop imagining imaginary problems.
Nat
: http://dl.www.juno.com/dynoget/tagj.

From: cdenk@ix.netcom.com
Date: Tue, 3 Aug 1999 20:10:33 -0500 (CDT)
Subject: Re: COZY: Landing brake, allowance for some engine cooling airflow

<landing brake is an optional landing aid>

Also helps protect the prop from debris from pavement when the wheels are in contact with the pavement and moving.

From: "astrong" <astrong@mscomm.com>
Subject: Fwd: COZY: Strong pitch trim
Date: Tue, 17 Aug 1999 17:47:42 -0700

You wrote;

"The Strong electric pitch seems very popular, but I'm not sure why.  Is it
just nice to have an
electric gizmo rather than a direct physical control (I have to admit I love
gadgets too), or is it more precise, or what?"

Ed,
    Per the rules in this group I am not allowed to push my product. The
info you need you will find in my web site under pilot reports. Welcome to
the group.  I have been flying my COZY III 6 years now. You made a good
choice in aircraft.

Regards,

Alex

Homepage http://www.canard.com/trim

"Live your life so you can look anybody in the eye,
and tell him to go to blazes!!"
                                  Dr. James Walter Strong
                                         (1874-1950)



































From: cdenk@ix.netcom.com
Date: Tue, 17 Aug 1999 16:21:56 -0500 (CDT)
Subject: Re: COZY: Strong pitch trim

On 08/17/99 08:20:38 you wrote:
>
>    I test flew the the Strong pitch trim system yesterday and an
>delighted at how well it works.
>
>    In the Cozy MKIV (at least mine) the unit fits almost perfectly
>between the elevator crank arm and the lower corner of the instrument
>panel bulkhead.  Instead of attaching to the elevator push rod, I made a
>bracket at the that fits in the lower corner as described and
>substituted an AN4-15 bolt at the elevator.  The elevator push rod is
>outboard of the arm and the Strong rod is inboard.  The angle to the
>floor corner is somewhat greater than the push rod but it seems work
>just fine.
>
>    Instead of taking my stick grip apart and rewiring it, I installed
>an AN3027-7 DP DT momentary on-off-on switch just aft of the throttle.
>Seems to be a very natural place to find trim and it too is
>satisfactory.  Had to reverse the leads to get it to go the right way
>but that was easy.
>
>dd
>
>
>
>

Does your setup allow adjusting the trim for correct trimming in the event of a failure, or will it be required to hold 
pressure against the trim mechanism to maintain the desired attitude? Assuming a runaway trim due to stuck switch or say 
trimmed for cruise, and then slow approach speeds.

From: "astrong" <astrong@mscomm.com>
Subject: Re: COZY: Strong pitch trim
Date: Tue, 17 Aug 1999 15:16:09 -0700

You wrote;
"Does your setup allow adjusting the trim for correct trimming in the event
of a failure, or will it be required to hold
pressure against the trim mechanism to maintain the desired attitude?
Assuming a runaway trim due to stuck switch or say
trimmed for cruise, and then slow approach speeds."

My reply;

You apply pressure in the event of an electrical failure to correct for
attitude. In the event of a runaway (stuck switch) Erick Westland`s Test
pilot Len Fox did simulate this condition for both up and down condition and
found it to be a none event and the aircraft was fully controllable and a
safe landing was made. I believe Len`s words were" I am satisfied."

Regards,

Alex


Homepage http://www.canard.com/trim

"Live your life so you can look anybody in the eye,
and tell him to go to blazes!!"
                                  Dr. James Walter Strong
                                         (1874-1950)



































Date: Tue, 05 Oct 1999 09:53:47 -0500
From: vance atkinson <vaatk@flash.net>
Subject: COZY: Re: [c-a] Landing lights

Rick Caldwell wrote:

> [The Canard Aviators's Mailing list]
>
> Question;  Has anyone moved their landing light out to the end of the
> strake yet and if so how did it work?  I live where there is a lot of
> wildlife on the strip at night and the more light you have the better.
> I was thinking about a pair of lights at the end of the strakes.
>
> Rick C
>
>                                                   \
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> -yourself from this list, please visit:
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>         /
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>         \

Mine is out on the end of the R/H strake,  put it there as a recognition
light not a landing light.  However,  it does work ok as a landing light.
The problem comes from the angle you mount it at.  It just happens so that
it works ok for landing,  but not taxi.  You will get some scatter back
from the canard being in the way, mine is not too bad as I have dihedral
in the canard. So, you say move it further out on to the wing.....DO NOT
cut into the wing leading edge skins......these are structural and would
require an inordinate amount of  beefing up and probably would  require
some engineering  to make sure it was correct.  In order to put this light
there took about 40 hours of work as I molded a Lexan exact fit lens for
the unit........along with internal mounting brackets and all the other
stuff such as cooling for the one million candle power bulb.
Vance Atkinson  Cozy N43CZ 1300tt


From: "astrong" <astrong@mscomm.com>
Subject: COZY: Re: [c-a] Landing lights
Date: Tue, 5 Oct 1999 09:56:26 -0700

Rick, check out "Innovations" at the bottom of my homepage for my landing
and taxi light installation.

Regards,

Alex
Homepage http://www.canard.com/trim

"Live your life so you can look anybody in the eye,
and tell him to go to blazes!!"
                                  Dr. James Walter Strong
                                         (1874-1950)



































From: cdenk@ix.netcom.com
Date: Tue, 5 Oct 1999 15:59:21 -0500 (CDT)
Subject: Re: COZY: Re: [c-a] Landing lights

Mine are in the lower quartes of the nose. The lamps are Whalen recognition lights, rectangular. See Wicks catalog, one with 
narrow beam lense, one with wide beam. They do a decent job of taxi and landing. Have a pulselite hooked too them. Very 
visible when headon day or night.

Date: Wed, 06 Oct 1999 08:54:57 -0500
From: vance atkinson <vaatk@flash.net>
Subject: COZY: Re: [c-a] Landing lights---At the tip

SWrightFLY@aol.com wrote:

> In a message dated 10/5/99 10:34:04 PM Central Daylight Time, vaatk@flash.net
> writes:
>
> << DO NOT cut into the wing leading edge skins......these are
>  structural and would require an inordinate amount of  beefing up and
>  probably would  require some engineering  to make sure it was correct. >>
>
> I am getting ready to install the small 2 inch dia. lights at the tip in
> front of the winglet. I do not think this will pose a problem as we have no
> flight loads at that location and the stiffness will be put back with bid. Am
> I missing something here?
> Steve Wright
>  <A HREF="http://www.canard.com/noselift/">Wright Aircraft Works LLC:
> Electric Nose-Lift for EZEs</A>

All I can tell you is a few years ago Mike said "DON'T CUT INTO THE LEADING EDGE
UNDER ANY CIRCUMSTANCE".  Take it for what its worth.
vance


From: jhocut@mindspring.com
Date: Wed, 06 Oct 1999 11:56:40 -0400
Subject: Re: COZY: Landing Lights

>From Canard Pusher #73, October, 1992


     Some owners/builders of the Long/Vari-EZ are relocating the landing lights from uynder the fuselage to a position outboard in an attempt to improve lighting for night landings. Several instances have shown where the builders have created a separate cell in the fuel strake for the landing light.
     
This is a poor choice for a device that generates so much heat. Even without a fuel leak, the amount of heat generated by these lights in such close proximity to 26 gallons of fuel is very risky. If a short circuit should develop and the fuse or circuit breaker fails to trip, the short could cause sufficient heat to melt the resin and dissolve the foam that seals the tank causing a fuel leak into the light housing. A fuel leak from a simple bulkhead seam flaw could also cause ignition simply from the heat of the light.

     High amperage circuits and heavy amperage consumers should never be placed in or around fuel lines or storage cells.

Date: Wed, 06 Oct 1999 12:00:41 -0500
From: vance atkinson <vaatk@flash.net>
Subject: Re: COZY: Landing Lights

jhocut@mindspring.com wrote:

> >From Canard Pusher #73, October, 1992
>
>      Some owners/builders of the Long/Vari-EZ are relocating the landing lights from uynder the fuselage to a position outboard in an attempt to improve lighting for night landings. Several instances have shown where the builders have created a separate cell in the fuel strake for the landing light.
>
> This is a poor choice for a device that generates so much heat. Even without a fuel leak, the amount of heat generated by these lights in such close proximity to 26 gallons of fuel is very risky. If a short circuit should develop and the fuse or circuit breaker fails to trip, the short could cause sufficient heat to melt the resin and dissolve the foam that seals the tank causing a fuel leak into the light housing. A fuel leak from a simple bulkhead seam flaw could also cause ignition simply from the heat of the light.
>
>      High amperage circuits and heavy amperage consumers should never be placed in or around fuel lines or storage cells.

GEE..........I GUESS ALL THE TWIN CESSNA 300 and 400 SERIES ( with the wing tip retractable lights nestled on the bottom of the fuel tanks)   and all the thousands of Lear Jets (with the lights IN the tip of the fuel tanks)  SHOULD BE GROUNDED.  Along with a bunch of MU-2's and assorted other turboprops. I don't even wanna talk about all the nav and strobe lights in WET wings. Now strobe lights......theres some high energy.

Look guys ........ use some sense here.   VENT  your area, set your installation up off the strake floor, and insulate via conduits the wires  and USE SOME COMMON SENSE !!!!  .............GEESH !
Vance Atkinson  Cozy N43CZ 1300tt     18,000 hours total flying time and loving it.


From: "Nat Puffer" <cozy@extremezone.com>
Subject: Re: COZY: Landing Lights in lower winglets?
Date: Wed, 6 Oct 1999 14:04:06 -0500

Wayne, 
Mike Melvill said that if you put lights in the wings or strakes, the light
reflects off the canard, and interfers with your night vision. That is why
I don't use a landing light at night--just runway lights. I think I can
actually see better that way.
Nat

----------
> From: L. Wayne Hicks <lwhicks@erols.com>
> To: cozy_builders@canard.com
> Subject: COZY: Landing Lights in lower winglets?
> Date: Wednesday, October 06, 1999 3:38 PM
> 
> > strakes, wingtips, fuselage...
> 
> ---------> Has anyone considered mounting recognition lights in the
> lower winglets?  I know the lower winglets are thin, you'd need a really
> powerful but small diameter light.  Thoughts?
> 
> Wayne Hicks
> http://www.geocities.com/yosemite/falls/2027

From: "Vernon Asper" <vernon.asper@usm.edu>
Subject: COZY: Re: [c-a] Landing lights---At the tip
Date: Wed, 6 Oct 1999 16:27:13 -0500

I've already installed mine in the wing tip.  I put them about 10" inboard
from the winglet, which is past where the winglet attach layups go but I
expect to carry the layups past this point (inboard) to help carry the load.
However, this is a Defiant, and the both the wing AND the winglet have
massive spars, so this might not be relevant to other designs.  From reading
some of the popular stuff on composite design, the impression I get is that
the skin on a wing with a spar is there for resistance to twisting and for
protection from impact and actually carries relatively little load.  The
thickness of the skin (number of plies) appears to be dictated to resisting
being imprinted by the elbowws of someone leaning on the wing rather than
flight loads.  But then again I could have misunderstood.

From: cdenk@ix.netcom.com
Date: Thu, 7 Oct 1999 16:42:57 -0500 (CDT)
Subject: Re: COZY: Landing Lights 

This is an area that an improvement in the plans could be made. [My comment Deleted] A hole in the bottom of the fuselage, 
speed sensetive, and only one light.

From: cdenk@ix.netcom.com
Date: Wed, 6 Oct 1999 18:21:34 -0500 (CDT)
Subject: Re: COZY: Landing Lights in lower winglets?

Was said <I don't use a landing light at night>

Although aircraft are hard to stop or turn quickly at night, one might be able to avoid an animal or other obstruction prior 
to collision, also the lights may warn people or animals on the runway. 

Date: Thu, 07 Oct 1999 07:29:06 -0400
From: "L. Wayne Hicks" <lwhicks@erols.com>
Subject: Re: COZY: Landing Lights in lower winglets?

Jim Sower wrote:
> 
> Amen.  In about 4000 hrs flying tactical turbines, I guess I turned on the
> landing lights maybe a half dozen times (and regretted it half of those
> times).  


-----------> Gentlemen:  I personally don't need a landing light for
anything except seeing the poorly painted taxi lines at our otherwise
poorly maintained municipal airports I fly out of.  (But then again, I
won't tell you about the 5 deer standing on the runway on my very first
night landing as a student pilot either...)  But I feel there is a BIG
need for bright recognition lights to keep those --- how did you say it
-- tactical turbines from running me over at night. :-)

Seriously, if you're going to fly at night, especially near B and C
airspace, it will be the recognition lights that prevent a collision
before TCAS or the xponder.  That's why I was posing the question.

Wayne Hicks
http://www.geocities.com/yosemite/falls/2027

From: "Ugolini, Nick" <UgoliniNJ@efdsouth.navfac.navy.mil>
Subject: RE: COZY: Landing Lights in lower winglets?
Date: Thu, 7 Oct 1999 08:28:56 -0400 

Previous msg: 
-----------> Gentlemen:  I personally don't need a landing light for
anything except seeing the poorly painted taxi lines at our otherwise
poorly maintained municipal airports I fly out of. 

>I agree with that.  

 But I feel there is a BIG need for bright recognition lights to keep those
--- how did you say it
-- tactical turbines from running me over at night. :-)

>Cant see the lights if they are coming up from behind

Seriously, if you're going to fly at night, especially near B and C
airspace, it will be the recognition lights that prevent a collision
before TCAS or the xponder.  

>Bright strobes work much better (less directional than lights).  I use the
Comet Flash strobes with two (instead of three lights).  The puts all the
power of the unit into each light flash.  It is EXTREMELY bright.  The
controllers in the B & C airspace will work very hard at keeping you away
from the few planes that venture out at night.  

>Has there been any discussion with putting the light in the gear legs like
the big boys?  It would have the added benefit of slowing you down when the
gear is extended.  Self cooling (in the air stream), away from gas, and no
cabin sealing problems.....

Nick
N29TM

Date: Thu, 07 Oct 1999 14:59:56 -0400
From: "L. Wayne Hicks" <lwhicks@erols.com>
Subject: Re: COZY: Landing Lights in lower winglets?

Ugolini, Nick wrote:

> 
> >Has there been any discussion with putting the light in the gear legs like
> the big boys?  It would have the added benefit of slowing you down when the
> gear is extended.  Self cooling (in the air stream), away from gas, and no
> cabin sealing problems.....
> 
--------> Sure, but who wants to extend their gear every time they want
to use their recognition lights?  BTW, I like your strobes.  My thing
about recognition lights is in addition to strobes.

Hicks

Date: Wed, 06 Oct 1999 23:36:34 -0400
From: Jim Sower <jimsower@mindspring.com>
Subject: Re: COZY: Landing Lights in lower winglets?

Amen.  In about 4000 hrs flying tactical turbines, I guess I turned on the
landing lights maybe a half dozen times (and regretted it half of those
times).  Of course we didn't have a serious deer problem on those runways, but
aside from that, I can't see the point.  I see a LOT better without them.  MUCH
better glideslope cues IMHO (and of course, with landing lights on you can't
see the meatball worth a s**t  ;-)
Just a theory,         Jim S.


From: "Romulo Augusto" <romulojr@brhs.com.br>
Subject: Re: COZY: Landing Lights in lower winglets?
Date: Wed, 6 Oct 1999 20:29:41 -0300

Nat, Wayne, all,
The Mitsubish MU-2 Marquise has a interesting solution for that problem, by the
instalation of ligth deflectors, avoiding in this way the reflects of the
landing/taxi ligths on canopy/cockpit.

Romulo Augusto.


Date: Thu, 07 Oct 1999 07:55:12 +0200
From: "Rego Burger" <BurgerR@telkom.co.za>
Subject: COZY: Laning Lights

I don't use a landing light at night--just runway lights. I think I can
actually see better that way.
Nat
<<<<<<

I agree with Nat.... even if there is no reflection I prefere landing without the light at night.... a nice black runway with it's lights makes a clearly defined picture to approach on.... it even gets worse when a bit of hase or cloud is around..... as far as nav lights go...a must to be seen. I don't no if it is law to have landing lights on in other countries for viz. ?

I only use the lights for taxi to the holding point of the runway and off again.

Rgo Burger
RSA

From: "Wilhelmson, Jack" <Wilhelmson@scra.org>
Subject: RE: COZY: Pre-build:Ken Brock BOM, to do your self
Date: Thu, 7 Oct 1999 23:06:25 -0400 

 Al:

Building your own metal parts can be done. I did. However, I have a fairly
complete machine
Shop. Also, many of the parts must have jigs and fixtures to hold them for
welding. The fixtures
Take longer than the parts. Builders that are equipped and capable of this
kind of work will do it.
However, I would not encourage everyone to try it. Brock's parts are
generally good quality and 
In my opinion (eveyone has one), they are not overpriced. If they were he
would have competition.

Jack Wilhelmson N711CZ



	-----Original Message-----
	From:	alwick@juno.com [SMTP:alwick@juno.com]
	Sent:	Thursday, October 07, 1999 12:34 PM
	To:	cozy_builders@canard.com
	Subject:	Re: COZY: Pre-build:Ken Brock BOM, to do your self

	The plans have the material description. Usually you'll find it on
the
	page that includes the drawing and dimensions. Sometimes you have to
	search a bit. The raw material is so inexpensive, just make sure to
get
	extra. As I recall, I had to order raw material a couple times
because I
	misjudged amount required. If the plans called for 4 parts, I always
made
	5 or 6.
	Machining the stainless material was educational.
	I don't think Wicks or anyone else includes these parts. Make em
yourself
	or pay Brock.
	Making your own Brock parts represents one of your best
opportunities to
	save $. And it's fun.

	-al

	On Thu, 7 Oct 1999 07:38:43 +0200 "wydo van de waerdt"
	<wydo.vandewaerdt@fae.storkgroup.com> writes:
	> Dear Cozy builders,
	> 
	> Is there someone who has made a BOM for the Ken Brock parts.
	> What I mean is a list of raw material, to make all the parts your 
	> self.
	> (bushings, engine mount etc.)
	> 
	> I suppose the parts are marked as prefab in the plans, and I don't

	> know if
	> Wicks are including the parts
	> in the "chapter kits".
	> 
	> Regards,
	> Wydo van de Waerdt (NL)
	> #???? Pre-build
	> 
	> 

	-al wick
	Canopy Latch System guy.
	Artificial intelligence in Cockpit
	Cozy sn 389 driven by stock Subaru 2.5 ltr 103% complete, Aug 00
first
	flight sched..

	___________________________________________________________________
	Get the Internet just the way you want it.
	Free software, free e-mail, and free Internet access for a month!
	Try Juno Web: http://dl.www.juno.com/dynoget/tagj.

From: alwick@juno.com
Date: Thu, 7 Oct 1999 23:22:29 -0700
Subject: Re: COZY: Pre-build:Ken Brock BOM, to do your self

 I used to work at metal processing company. Built the parts there. I
found that no complex fixturing was needed. Of course, since we were in
that business, we knew all the little tricks. Probably helped that we
built similar parts every day. Relative to most parts we produced, Brock
parts are uncomplicated.
All the lathe parts are very easy to produce (except stainless). To
achieve precise i.d.'s, best to drill and then ream. Landing brake pulley
best done with cnc mill and/or using rotary table on mill.
Brake pedals were a piece of cake.
Some of the tolerances are pretty tight, need to have access to accurate
measuring equipment.
I don't think Brock parts are overpriced. They just represent a large %
of total. Thus a good cost saving opportunity.

To each his own.
-al

BTW Jack, thanks again for the post on how to sand and finish. I was just
reading that again today. Painting is FUN !!!


From: "wydo van de waerdt" <wydo.vandewaerdt@fae.storkgroup.com>
Subject: COZY: Prebuild: Layup confidence.
Date: Fri, 8 Oct 1999 08:03:42 +0200

Dear builders,

Please give me a few suggestions on  useful books / video, you think are a
good investment for doing lay-ups.
I am in Europe so I can't attend a composite workshop in the USA.

Regards,
Wydo van de Waerdt
#???? Pre-build

From: "astrong" <astrong@mscomm.com>
Subject: COZY: Re: [c-a] Landing lights
Date: Thu, 7 Oct 1999 07:59:22 -0700

. " My question is...does the engine temps take a hit with the
landing light deployed for extended periods of time while zipping along
at 200 MPH?

Wayne Hicks"

Coming home from Sun N Fun 97` we run into the smoke from the fire in
Mexico, we were in it from Fla. into Austin Texas where it cleared. I had my
plans  landing light deployed all the time. I held my indicated speed down
to 120kt. faster than that and the light will retract. I did not notice any
change in the engine temps. For details on my installation, check out
"Innovations" on my home page.

Regards,

Alex

Homepage http://www.canard.com/trim

"Live your life so you can look anybody in the eye,
and tell him to go to blazes!!"
                                  Dr. James Walter Strong
                                         (1874-1950)



































From: "Wilhelmson, Jack" <Wilhelmson@scra.org>
Subject: RE: COZY: Re: [c-a] Landing lights
Date: Thu, 7 Oct 1999 12:25:29 -0400 

Wayne:

The answer to your question is:

You cannot deploy the light at 200 mph. Mine will not stay out
all the way above 120 mph. Therefore, it is self correcting for any
engine cooling problem that might exist.

Jack Wilhelmson N711CZ
From ???@??? Thu Oct 07 12:06:38 1999
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From: "Vernon Asper" <vernon.asper@usm.edu>
To: <canard-aviators@canard.com>, <cozy_builders@canard.com>
References: <1999106191342441@ix.netcom.com>
Subject: Re: COZY: Re: [c-a] Landing lights---At the tip
Date: Thu, 7 Oct 1999 07:51:48 -0500
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The Defiant has no winglet rudders.  Instead, the rudder is mounted under
the "chin", right behind the front prop and in its propwash.  Good design,
but uuuuugly.  However, the winglets are about 6' (!) tall, so I sure agree
with you that the torsional loads imposed by them onto the wings is going to
be substantial.  My plan (hope?) is that the carrying the winglet attach
plis past the light cutout will carry what load there was in the leading
edge skin.   The wing chord is also substantial, even at this point, and the
uni plis on it should be more than sufficient, along with everything else,
to handle the load.  Still, it is a cause for concern and that's why I
mentioned it.




----- Original Message -----
From: <cdenk@ix.netcom.com>
To: <vernon.asper@usm.edu>; <canard-aviators@canard.com>;
<cozy_builders@canard.com>
Sent: Wednesday, October 06, 1999 6:18 PM
Subject: Re: COZY: Re: [c-a] Landing lights---At the tip


> Was said <wing AND the winglet have massive spars>
>
> Spars in themself are channel crossections, with the flanges (spar caps of
3" roving tape or equivalent) carrying the bending
> load, and the web (diagonal fiberglass) carrying the shear (perpendicular
to the caps) load. The other important load is
> torsion (twisting) probably mostly from rudders which is carried by the
skin. All three of these loads are real and if not
> carried adequately could cause massive failure.
>

From: TRCsmith@aol.com
Date: Thu, 7 Oct 1999 20:23:39 EDT
Subject: Re: COZY: Re: [c-a] Landing lights---At the tip

In a message dated 10/6/1999 6:56:07 AM Pacific Daylight Time, 
vaatk@flash.net writes:

<< All I can tell you is a few years ago Mike said "DON'T CUT INTO THE 
LEADING EDGE
 UNDER ANY CIRCUMSTANCE".  Take it for what its worth.
 vance
 
  >>
It is the leading edge, but also the outbd end leading edge. No structural 
load. We even cut part off for the strobes. Small part, but still part.

Date: Sun, 10 Oct 1999 23:41:29 -0500
From: Bulent Aliev <atlasyts@bellsouth.net>
Subject: Re: COZY: bike light

Try:  http://www.niterider.com/homeset.htm

Brian Freitag wrote:

> I went to the website that you posted ( niterider.com ) and I couldnt
> find the light you were talking about. If you could can you post a part
> number or let me know which one you were looking at in the store. I am
> looking for something like that for my plane. Does anybody have a mold
> or extra lens for putting the light in the end of the strake? I didnt
> know if its in the archives.        Thanks     Brian    #94


Date: Sat, 09 Oct 1999 12:30:16 -0500
From: Bulent Aliev <atlasyts@bellsouth.net>
Subject: COZY: Re: [c-a] Landing lights

I stumbled today on a very interesting lighting system in a bicycle
shop. It's called Nitelite. The web site is
www.nitelite.com. The salesman gave us a demo and we were almost blinded
in daylight conditions. The housing is 1.5" X 3" and holds two halogen
lights. It comes with 1"X2" control unit that gives you: alternating
flasher mode, SOS beacon, repeating beacon, soft start to prolong bulb
life, low battery warning, automatic switching to the other bulb if one
burns and 4 levels of intensity.
If someone is close to a mountain bike shop check it out and give us a
second opinion. Myself: I think it has potential for our airplanes.
Bulent


From: "Larry & Jenny Schuler" <lschuler@g2a.net>
Subject: Re: COZY: Re: [c-a] Landing lights
Date: Sat, 9 Oct 1999 12:43:59 -0500



>I stumbled today on a very interesting lighting system in a bicycle
>shop. It's called Nitelite. The web site is
>www.nitelite.com. 

Think I found 'em at http://www.night-sun.com

Larry

Date: Sat, 09 Oct 1999 12:45:56 -0500
From: Bulent Aliev <atlasyts@bellsouth.net>
Subject: COZY: Re: [c-a] Re: Landing lights

OOOPS! I think made a mistake: It's Niterider.com


Date: Wed, 13 Oct 1999 23:19:09 -0400
Subject: COZY: Fw: Re: Use with an alternator power source
From: Dana Hill <dhill36@juno.com>

	FYI
	With regard to the recent post about the Nitesun biking lighting......I
asked them if these type of lights could be used with an alternator as a
power source.  Their response is below.

--------- Forwarded message ----------
From: "Nightsun" <night-sun@mail.wman.com>
To: Dana Hill <dhill36@juno.com>
Date: Sun, 10 Oct 1999 09:24:09 +0000
Subject: Re: Use on a car?
Message-ID: <199910101625.JAA07838@home.wman.com>

Might work ok, but what wories me is the voltage regulation of the 
vehicle.  Some alternators /  voltage regulators but out upto 16 vdc, 
way too much for our bulbs.   Upto about 14 will work, but the lamp 
life will be shortened, over 14 and the lamp life would be very 
short.  Most airplanes are 28 volt.
	In any event we do not sell headlights without batteries.


Regards,




Nightsun

To:            info@night-sun.com
Date:          Sat, 9 Oct 1999 21:52:11 -0400
Subject:       Use on a car?
From:          Dana Hill <dhill36@juno.com>

Hi Night-Sun,
 I would like to know if your lighting system could be hardwired into
 a
14 Volt DC charging system, such as a car/airplane?  Would this sort
of mod be difficult? Any info in this regard would be appreciated.

Thanks,
Dana Hill

Customer Service, Monday to Friday, 9 a.m. to 5 p.m., Pacific time 
626-799-5074

From: "astrong" <astrong@mscomm.com>
Subject: COZY: Re: [c-a] electric pitch trims
Date: Fri, 19 Nov 1999 14:28:14 -0800


-----Original Message-----
From: Jeff Russell <JRaero@gte.net>
To: Canard group <canard-aviators@betaweb.com>
Date: Thursday, November 18, 1999 12:59 AM
Subject: Re: [c-a] electric pitch trims


>[The Canard Aviators's Mailing list]
>
>Bill Allen wrote:
>> I have heard about the "Strong" system, and read of the "Atkinson"
>> system in CSA 37.
>> I am aware of the debate which has taken place on these pages over
>> "risks of runaway" etc versus "risks of trim springs breaking" etc.
>..................
>
>I have installed both systems a couple of times.  Both work good.
>I like the system Vance has a little better because the springs
>seem to be smoother and the motor/screw jack is more precise.
>The Strong system is much cheaper.  If I remember correctly,
>the motor cost about $250 and the spring assembly was about $100
>from Vance.  I think he has plans so you can make it yourself.
>He would need to confirm that. The spring assemble can be un-assembled
>on the Vance unit.  The Strong spring has been pressed together.
>Alex would have to fix a sticky spring if there was a problem.
>This happened to a spring that we installed on the Berkut and Alex
>sent a replacement quickly out to us.  I just wish anyone could
>disassemble his unit for inspections.  Maybe he could speak on this?
>
>Thanks Alex and Vance for great units.
>I would never go back to the manual system.
>
>--
>Jeff Russell/AeroCad Inc.
>Website:   http://www.Aerocad.com
>
>
>
>
>                                                  \
>->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>-|-
>                                                  /
>-For details on sponsors of this list, copyrights, and how to remove
>-yourself from this list, please visit:
>
>     http://www.canard.com/canard-aviator-sponsors.html
>
>         (c) 1997,1998, 1999 Canard Aviators.     support@canard.com
>        /
>   -|-<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
>        \
>Jeff and Bill,

 Bear with me as I go into the history of this Pitch Trim system. When Vance
published his Trim system in Cozy  news letter #48 I was flying my Pitch
trim on batteries to Maryland and back. I contacted Vance before I marketed
the unit and offered to give him credit and possibly royalty on the idea as
he published before I did, He graciously declined and said He was glad
somebody was doing something for the Cozy and he wished me luck.
The springs as configured on this units was the result of many test flights
at various speeds and loads, I opted for this configuration to maintain
level flight at high speeds (220 MPH 234 TAS) and slow flight (405 LBS...
front seat load) in landing configuration. To reduce the spring rate would
require for you to push the stick forward at high speed and pull back at
slow speed, thus this was an arbitrary decision on my part to as I thought
the former was more desirable at the expense of a slightly higher stick
force.
The unit is sealed (ends rolled) to eliminate the possibility of pushing or
pulling the Nut or Gland out of the tube. The gland (square shaft) and the
nut (threaded lead screw) has a boss machined to locate the I.D. of the
spring, the piston also has this boss on both sides thus effectively
centering the springs within the tube. Since there are no parts in the tube
that requires periodic inspection  as all fasteners are locked in place
 lead screw retainer roll pinned and piston is threaded and lock nut) I
adopted the policy of replacing the faulty unit for what ever reason with  a
new unit as this will put you back in the air sooner and will allow me to do
failure analyses on the failed unit, as was the case with the Berkut unit
you returned, the fault was in the piston design, the original unit had a
nylon piston with the Piston land too thin (material between the springs)
which was under constant compression  and in time expanded to take up the
tolerance between the OD of the piston and ID of the tube causing the bind.
The piston was redesigned and made of alum.

I hope I have answered your questions and concerns.

Best regards;

Alex

From: "James A. White" <jimwhi@televar.com>
Subject: COZY: Landing Brake Handle
Date: Mon, 22 Nov 1999 20:50:22 -0800

I just finished reinstalling my landing brake handle and thought I'd pass on
a few things.
1.  You do not need to make the side cutout in the console sides to adjust
the tension on the landing brake cables as shown in Figure 7 on page 17-8.
The cables can be tightened by making small adjustments to the cable
position before final tightening of the outer ring.  Simply remove the
handle each time from the console as you make adjustments to the cable
lengths.  Don't put the washer and spacers on until after you have the
cables to length.
2.  As Klaus Savier says, "Simplificate and add lightness."  The stock
handle can be lightened considerably by drilling "lightening" holes
throughout.   I drilled holes in the handle and the attached ring pieces.
The assembled parts weighed significantly less than the original handle did
by itself.
3.  If you are building the handle from from scratch, the dotted lines which
mark the 45 degree bends should be at a different angle.   I am referring to
the two horizontal bend lines in the middle of the left hand side of page
17-7.  The handle works fine as shown, but it cuts a large swath through the
center console cover.  You can minimize this swath by making the 45 degree
bend lines tangential to the radius.  In other words, rotate the horizontal
bend lines 25 degrees counter-clockwise about their midpoint.

Have fun,
Jim White
N44QT

Date: Fri, 03 Dec 1999 20:05:52 -0800
From: Alex Strong <astrong@mscomm.com>
Subject: Re: COZY: Landing light question

Not an issue.Provides verification of deployed NG.Check Landing and Taxi lights
at Innovations my home page for my installation.
                                                    Alex

Neil Clayton wrote:

> A landing light question for C4 drivers;
>
> With the landing light in the plans location beneath the drivers seat, does
> the nose gear leg create a shadow with a resulting dark spot ahead and to
> the right?
>
> If it's an issue, I was thinking of dual lights either side of the
> centre-line to eliminate the shadow. They could be coupled together in some
> way so they're deployed by the same handle, and even at slightly different
> angles to meet approach/flare and taxi needs.
>
> If it's not an issue, I'll keep it to plans.
> Thanks for comments
> Neil C

From: "John Slade" <rjslade@bellsouth.net>
Subject: Re: COZY: Landing light question
Date: Fri, 3 Dec 1999 22:50:05 -0500

Neil,
>With the landing light in the plans location beneath the drivers seat, does
>the nose gear leg create a shadow with a resulting dark spot ahead and to
>the right?
>If it's an issue, I was thinking of dual lights either side of the
>centre-line to eliminate the shadow. They could be coupled together in some
>way so they're deployed by the same handle, and even at slightly different
>angles to meet approach/flare and taxi needs.

I'm not a Cozy IV "driver" yet, but I was thinking the same as you, so I did
what you're suggesting. Haven't finished them off yet, but you can see a
picture at:

 http://www.kgarden.com/cozy/chap17.htm

Regards,
John Slade

From: cdenk@ix.netcom.com
Date: Sat, 4 Dec 1999 08:10:23 -0500 (EST)
Subject: Re: COZY: Landing light question

Put the lights in the nose, no hole for drafts, no shadows, no bounce back at the pilot (except when in heavy snow, and even 
then the flashing lights was not distracting).

