Today's Message Index:
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1. 05:34 AM - pinked tapes (Oscar Zuniga)
2. 05:41 AM - Re: Gary & Shad's motor moun (Ryan Mueller)
3. 07:26 AM - Re: pinked tapes (mike)
4. 08:50 AM - Re: pinked tapes (H RULE)
5. 02:50 PM - Re: weight of Poly-Fiber vs. latex (Dick N.)
Message 1
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JimD wrote-
>The suprising thing to me about the costs was that so much of it
>was for the pinked fabric tape=2C that stuff is expensive and you
>need it in a number of sizes.
You don't need to use precut pinked tapes anywhere but on the
compound curves (so to speak)- the wingtips=2C tips of vertical and
horizontal surfaces=2C etc. where it has to go around a curve and
you need that bias cut. For
straight surfaces or single curvature edges (leading edges=2C for
example)=2C you can cut your own pinked strips from whole goods.
All it costs is your labor to cut the strips and of course you need
to make nice straight line cuts.
Don't tell me I didn't learn anything from "The Fisherman" =3Bo)
Oscar Zuniga
Air Camper NX41CC
San Antonio=2C TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
Message 2
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| Subject: | Re: Gary & Shad's motor moun |
Thanks for the reply, and the advice on the CG calc. Have a good day,
Ryan
do not archive
On Thu, Feb 12, 2009 at 7:48 AM, shad bell <aviatorbell@yahoo.com> wrote:
> Ryan, I believe Dad made his somewhere in between a William Wynne tray type
> and the Piet plans. He had to weld up 2 of them because the 1st one had a
> diagonal interfering with the intake we used. If you are over 200 lbs, I
> would recomend doing some math after the rest of your airplane is finnished,
> painted, and all ready to go minus the engine, then figure out how long to
> make the mount. This will save you from needing any ballast. I am 30-40
> lbs lighter than dad, and it is set up for him, I need a little (15-20 lbs)
> of ballast in the rear cockpit to go streight and level, hands off. Our
> wing is also slanted back (4 inches I believe) to keep it in C/G limits.
>
> Hope this helps,
> Shad
>
> *
>
> *
>
>
Message 3
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"Pinked" fabric tape is a strip of fabric whose edges are cut in a zig-zag.
Typically, pinked tape has its woven threads running on the diagonal or bias
and the pinked edges keep the tape from unraveling. It is the diagonal
threads that adapt to compound curves and sharp corners. Pinked tape is
used in composite layups for the same reason.
When I recovered my Champ (screwed ribs, not stitched), I made my own pinked
tape (miles of the stuff...every rib) from whole cloth as Oscar suggests.
It didn't take long and pinking shears are available at any Wal-Mart or
other fine store.
Mike Hardaway
_____
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Oscar Zuniga
Sent: Friday, February 13, 2009 5:33 AM
Subject: Pietenpol-List: pinked tapes
JimD wrote-
>The suprising thing to me about the costs was that so much of it
>was for the pinked fabric tape, that stuff is expensive and you
>need it in a number of sizes.
You don't need to use precut pinked tapes anywhere but on the
compound curves (so to speak)- the wingtips, tips of vertical and
horizontal surfaces, etc. where it has to go around a curve and
you need that bias cut. For
straight surfaces or single curvature edges (leading edges, for
example), you can cut your own pinked strips from whole goods.
All it costs is your labor to cut the strips and of course you need
to make nice straight line cuts.
Don't tell me I didn't learn anything from "The Fisherman" ;o)
Oscar Zuniga
Air Camper NX41CC
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
Message 4
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| Subject: | Re: pinked tapes |
A real plus is that a pinked edge also makes it stealthier and a stealthy P
iet is what you need when your flying in below the radar!;-0=0A=0A=0A=0A=0A
________________________________=0AFrom: mike <bike.mike@comcast.net>=0ATo:
pietenpol-list@matronics.com=0ASent: Friday, February 13, 2009 10:25:46 AM
=0ASubject: RE: Pietenpol-List: pinked tapes=0A=0A=0A"Pinked" fabric tape i
s a strip of fabric whose edges are cut in a zig-zag.- =0ATypically, pink
ed tape has its woven threads running on the diagonal or bias-and the pin
ked edges keep the tape from unraveling.- It is the diagonal threads that
adapt to compound curves and sharp corners.- Pinked tape is used in comp
osite layups for the same reason.=0A-=0AWhen I recovered my Champ (screwe
d ribs, not stitched), I made my own pinked tape (miles of the stuff...ever
y rib) from whole cloth as Oscar suggests.- It didn't take long and pinki
ng shears are available at any Wal-Mart or other fine store.=0A=0AMike Hard
away=0A=0A=0A________________________________=0AFrom: owner-pietenpol-list-
server@matronics.com [mailto:owner-pietenpol-list-server@matronics.com] On
Behalf Of Oscar Zuniga=0ASent: Friday, February 13, 2009 5:33 AM=0ATo: Piet
enpol List=0ASubject: Pietenpol-List: pinked tapes=0A=0AJimD wrote-=0A-
=0A>The suprising thing to me about the costs was that so much of it=0A>was
for the pinked fabric tape, that stuff is expensive and you=0A>need it in
a number of sizes.=0A-=0AYou don't need to use precut pinked tapes anywhe
re but on the =0Acompound curves (so to speak)- the wingtips, tips of verti
cal and =0Ahorizontal surfaces, etc. where it has to go around a curve and
=0Ayou need that bias cut.- For=0Astraight surfaces or single curvature e
dges (leading edges, for=0Aexample), you can cut your own pinked strips fro
m whole goods.=0AAll it costs is your labor to cut the strips and of course
you need=0Ato make nice straight line cuts.=0A-=0ADon't tell me I didn't
learn anything from "The Fisherman" ;o)=0A-=0AOscar Zuniga=0AAir Camper
NX41CC=0ASan Antonio, TX=0Amailto: taildrags@hotmail.com=0Awebsite at http:
//www.flysquirrel.net=0A=0A=0A=0A=0A=0Ahref="http://www.matronics.com/Nav
igator?Pietenpol-List">http://www.matronics.com/Navigator?Pietenpol-List=0A
href="http://forums.matronics.com">http://forums.matronics.com=0Ahref="
http://www.matronics.com/contribution">http://www.matronics.com/c=0A=0A=0A
-========================
==================
Message 5
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| Subject: | Re: weight of Poly-Fiber vs. latex |
Another great job, Oscar.
Thanks
Dick N.
----- Original Message -----
From: Oscar Zuniga
To: Pietenpol List
Sent: Thursday, February 12, 2009 9:00 PM
Subject: Pietenpol-List: weight of Poly-Fiber vs. latex
Pieters;
I have conducted a test to determine the relative weights
of conventional Poly-Fiber finishes as compared with latex
house paint. The complete test methodology, data, photos,
and conclusions are posted on my website at
http://www.flysquirrel.net/piets/paint/paint.html
but here are the highlights:
1. Finishing an Air Camper through silver will add about
17 lbs. to the airplane as compared to bare fabric.
2. Finishing an Air Camper through color coats with Poly-Tone
will add about 27 lbs. to the airplane as compared to bare fabric.
3. Finishing an Air Camper using latex house paint to the
thickness recommended on the paint can will add about 15 lbs.
to the airplane as compared to bare fabric ***BUT*** if you
apply it to the thickness that I recommend for proper UV
protection, it will be about the same weight as Poly-Fiber
finishes through color coat.
I was quite surprised at how soft and pliable the latex-painted
fabric ended up compared with the Poly-Fiber finishes, and if
you like your fabric to be nice and drum-tight, you won't get it
with latex. However, it should be just as strong and have just
as long a life (the underlying fabric is exactly the same)... at
lower cost and with little or no fumes or cleanup mess.
Let the flaming begin.
Oscar Zuniga
Air Camper NX41CC
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
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