Today's Message Index:
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1. 05:29 AM - Re: Fun Pietenpol video (Mark Stanley)
2. 06:58 AM - fin offset for Corvairs (Douwe Blumberg)
3. 07:00 AM - Binginlis books (Douwe Blumberg)
4. 07:47 AM - fin offset vs eng mount offset (shad bell)
5. 09:45 AM - Hegy prop; engine offset washers (Oscar Zuniga)
6. 10:07 AM - Re: scarf joint for spar (nightmare)
7. 10:17 AM - Re: Binginlis books (Jeff Wilson)
Message 1
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| Subject: | Re: Fun Pietenpol video |
Hi Jim,
Haha....incredible Action.....good stuff!
Thanks for posting .........and no, I am not on Facebook so you link was
great!
Mark S in Japan
-----Original Message-----
From: Jim Markle
Sent: Friday, June 01, 2012 9:46 PM
Subject: Pietenpol-List: Fun Pietenpol video
This is from the Pietenpol group on Facebook...for those of you NOT on
Facebook (and good for you!).......
http://www.youtube.com/watch?v=5OHxkjEn6IA&feature=colike
If that link fails, search Youtube for: "Pietenpol gyroflyer582"
Jim in Pryor
NX1929J
Message 2
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| Subject: | fin offset for Corvairs |
Yes, the offset for a Corvair or any engine that spins in the opposite
direction from a Continental would require fin offset in the opposite (and
probably equal) direction.
Angle the fin to the left side of the fuselage (facing forward) for standard
rotating engines and towards the right side (facing forward) for
Corvairs-n'-such. Or just leave it like original and like most probably do
and just hold a bit more rudder.
Douwe
Big day here, just shot the final color coat on the cowling and I think the
spray gods were with me, looks pretty good.
Start covering fuselage and tailfeathers next week!!
Message 3
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So Mike,
It sounds like you are you suggesting that all builders get the Bingilis
books?
Douwe
Do not archive
Message 4
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| Subject: | fin offset vs eng mount offset |
In my experience building RC models, and the piet, It is usually better to
put the offset in the engine mount, and not the fin.- The right thrust in
an eng mount will not effect the power off/ low power flight characteristi
cs like an offset fin.- It is also less noticeable cosmeticaly in my oppi
nion.- The Bipe I am building has about an inch of offset in the fin, and
if I didnt't already have the tailpost and fin spar drilled I would offset
the mount.- We did need to add a rudder trim tab to the piet to get some
left trim and I will shoot a picture behind me next time I go flying to se
e just how much left rudder (corvair) it takes to fly ball centered in crui
se.
-
Shad
Do not archive....(Indiana Jones would find it any way)
Message 5
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| Subject: | Hegy prop; engine offset washers |
Sorry for the delay=2C but whoever asked about the Hegy prop=2C I sold it s
ome time ago. Regretted it later =3Bo)
Regarding washers=2C engine offset=2C and fin offset: Scout has about 1/2"
offset on the leading edge of the vertical stab and that's all I felt comfo
rtable cranking in because it looked like it would stress the glue joints i
n the wood. It could use some more offset. The trailing edge remains fixe
d while the leading edge is pulled over=2C and I didn't want to go with any
more. It turned out well because I needed to offset the fin enough to wher
e I had new material to screw the mounting tabs into anyway. If you build
it with offset from the start=2C that would be best. Scout still needs a s
mall bendable trim tab on the rudder as well as some washers on the engine
mount to improve the yaw in cruise. It flies just about like the others sa
y theirs do (mine has an A75)- about a half a ball out. Almost=2C but not
quite=2C feet flat on the floor in cruise=2C but a good pilot's feet are ne
ver on the floor anyway.
By the way=2C I do not recommend the use of standard large AN flat washers
for the engine offset duty. They are too thin and become dished. I ordere
d a pack of nice thick black oxide-finished steel washers from McMaster-Car
r and they are perfect. I believe they are the 92140A series washers=2C ab
out a buck apiece in that size. I think Aircraft Spruce offers engine moun
t washers but they are more expensive than the McMaster-Carr items. I boug
ht a bag of 10.
Oscar Zuniga
Air Camper NX41CC "Scout"
Flying Squirrel N2069Z "Rocket"
Medford=2C OR
website at http://www.flysquirrel.net
Message 6
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| Subject: | Re: scarf joint for spar |
Thanks Bill; thats where my confusions was, i saw a similar pic somewhere of a
scarf joint along the face , then somewhere else along the edge. Its nice to hear
opinions or what is known as common knowledge of what to do or not do. Thankyou;
Paul
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=374543#374543
Message 7
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| Subject: | Re: Binginlis books |
I bought my books 20 years ago when they were only $45. Buy 'em all now, the
price will only keep going up.
Jeff Wilson, H49
I'm the one that got Oscar's prop.
Do not archive
Sent from my iPhone
On Jun 2, 2012, at 9:02 AM, "Douwe Blumberg" <douweblumberg@earthlink.net> w
rote:
> So Mike,
>
> It sounds like you are you suggesting that all builders get the Bingilis b
ooks?
>
> Douwe
>
> Do not archive
>
>
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