Today's Message Index:
----------------------
1. 04:09 AM - Daytona ()
2. 02:07 PM - the ol' airfoil discussion (Oscar Zuniga)
3. 03:59 PM - I have a tail (carson)
4. 06:14 PM - Pietenpol covered in latest EAA emailing (Scott Schreiber)
5. 06:37 PM - great EAA video on Piets!!!!!!! (Oscar Zuniga)
6. 07:05 PM - Re: great EAA video on Piets!!!!!!! (KMHeide, BA, CPO, FAAOP)
7. 09:32 PM - Brodhead 99' and some sad news (Steve Eldredge)
8. 10:24 PM - Re: Brodhead 99' and some sad news ()
Message 1
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I'm coming down to Daytona for a week;anybody have a Piet in this area?
Message 2
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| Subject: | the ol' airfoil discussion |
Gordon wrote-
> Or better yet, for about 5 grand buy the more modern efficient NACA wing
> design off of a Cub, T-Craft or Aeronca recover them
That would be a faster build than making Piet wings from scratch, but as far as
efficiency consider these comments made by Mike Shuck, who analyzed the Piet
airfoil and directly compared it (computationally) to the Cub wing:
>Can I just use the Cub USA35b airfoil instead of the Pietenpol airfoil for better
performance
>since it has less drag and less negative pitching moment? Answer: Well, you could,
but it wouldnt
>be a Pietenpol anymore. And, the drag isnt that much less that youd see much
if any difference
>in cruise. The USA35b airfoil here is 11.5% thick and the Pietenpol airfoil is
only 10.5% thick, so
>the performance of the USA35b, if improved, could be from the fact that the wing
would be thicker,
>therefore, lighter than the Pietenpol, too.
>
>Can I decrease the negative pitching moment of the Pietenpol airfoil and end up
with less trim drag
>and have it fly faster. Yes. But you will have, as a consequence, less lift,
too.
And about the T'craft wing, Mike wrote:
>a bit complicated, but you want as little trim drag as you can stand and yet still
have enough lift
>for your airplanes purpose or mission. This is most of the reason why C. G. Taylors
Taylorcraft
>flies 10 miles per hour faster than his Cub design: the Taylorcraft airfoil uses
a lower drag airfoil,
>the NACA 23012, but this airfoil also has very little negative pitching moment,
only about 0.012.
>If you have an airfoil which has less drag and significantly less negative pitching
moment, you will
>also have less trim drag as well, and, quite likely, significantly improved cruising
speed.
Trade-offs, trade-offs... ;o)
Oscar Zuniga
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
Message 3
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Hi All
I am very excited I have a tail and I just wanted to share it with everyone as
I don't think I could have done it with out the list and all the pics on on web
sites such as Chris and peters.
Now I have to pack it all up and my ribs to move to the other side of the country
to start a new job so no building for the next 6 months.
Carson
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=157337#157337
Attachments:
http://forums.matronics.com//files/peitenpol_089_318.jpg
http://forums.matronics.com//files/peitenpol_087_148.jpg
Message 4
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| Subject: | Pietenpol covered in latest EAA emailing |
Volume 8 Number 2 near the top, there is a video and a link to an
article. I guess they didn't test it before they posted or maybe they
didn't upload them yet because they don't work, but I am assuming they
will fix it.
-Scott
Message 5
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| Subject: | great EAA video on Piets!!!!!!! |
Ya gotta see it... Mike Cuy, Steve Eldredge, Lowell Frank, and a cast of Pi
etenpols! 8:05 of video:
http://www.eaa.org/video/eaa.html?videoId=1373284259
Oscar ZunigaSan Antonio, TXmailto: taildrags@hotmail.comwebsite at http://w
ww.flysquirrel.net
Message 6
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| Subject: | Re: great EAA video on Piets!!!!!!! |
Oscar,
If that does not get builders hot under the butt....then nothing will! Garage,
here I come!
Ken H
Oscar Zuniga <taildrags@hotmail.com> wrote:
.hmmessage P { margin:0px; padding:0px } body.hmmessage { FONT-SIZE:
10pt; FONT-FAMILY:Tahoma } Ya gotta see it... Mike Cuy, Steve Eldredge,
Lowell Frank, and a cast of Pietenpols! 8:05 of video:
http://www.eaa.org/video/eaa.html?videoId=1373284259
Oscar Zuniga
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
Kenneth M. Heide, BA, CPO, FAAOP
---------------------------------
Never miss a thing. Make Yahoo your homepage.
Message 7
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| Subject: | Brodhead 99' and some sad news |
Those were the days! That trip by far was the most memorable I've made in
an airplane. It literally brought me to tears when I realized I was on my
first return leg home after Brodhead 99'.
Now for some more tear shedding...
I've put off writing about this for almost a month, but my Aircamper NX722
9R has been mortally damaged in a landing mishap. The poor thing has had i
ts back broken. I sent it to live with my brother in south of Tucson for t
he winter and on Dec 20, he called to say that he was OK, but the piet was
badly damaged when he pancaked it onto the runway. A non-pilot airpark res
ident had run a stop sign on the bisecting access road, and stopped in the
middle of the runway when he saw my brother coming. Instead of simply roll
ing on through he jammed it in reverse and backed up. This distraction cau
sed my brother to let the plane slow, stall and drop to the runway. The lo
ngerons and the crossbrace at the front gear/front lift strut attach point
was crushed and buckled. The fittings were pushed together about 4-5 inche
s. The wings sagged down as the gear splayed, but somehow the prop remain
ed untouched except for a small dent on the leading edge when it hit a mesq
uite tree when the poor piet left the runway. The lower cowling was damag
ed and the gascolator deformed. Gas spilled, but thank heavens there was
no fire. There were no injuries to the solo pilot. The crash was witness
by an off duty officer and pilot, but since it occurred on private propert
y no citation was issued. The driver has denied any responsibility and off
ered nothing in reparations. Only thing left to do is file a lawsuit, but
that really isn't in either of our natures. We are trying to decide if th
e 10 year love affair with Aircamper 29R is over, or simply another chapter
is to be written as we build up or repair the damaged fuselage. My broth
er has said he will buy me out and rebuild. I still have the Stinson to f
ly, but can hardly imagine being without a low and slow open cockpit airpla
ne. Something in my head is whispering 0-200 powered? Maybe a new Rotec
? What about a 120% scale Piet with the 140HP LOM?
Steve 'E'
Spanish Fork, UT.
From: owner-pietenpol-list-server@matronics.com [mailto:owner-pietenpol-lis
t-server@matronics.com] On Behalf Of Oscar Zuniga
Sent: Thursday, January 10, 2008 7:37 PM
Subject: Pietenpol-List: great EAA video on Piets!!!!!!!
Ya gotta see it... Mike Cuy, Steve Eldredge, Lowell Frank, and a cast of Pi
etenpols! 8:05 of video:
http://www.eaa.org/video/eaa.html?videoId=1373284259
Oscar Zuniga
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
Message 8
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| Subject: | Re: Brodhead 99' and some sad news |
I think I'm going to cry too. Sure glad your brother is ok.
Chris Tracy
Sacramento, Ca
Website at http://www.WestCoastPiet.com
----- Original Message -----
From: Steve Eldredge
To: pietenpol-list@matronics.com
Sent: Thursday, January 10, 2008 9:30 PM
Subject: Pietenpol-List: Brodhead 99' and some sad news
Those were the days! That trip by far was the most memorable I've
made in an airplane. It literally brought me to tears when I realized
I was on my first return leg home after Brodhead 99'.
Now for some more tear shedding.
I've put off writing about this for almost a month, but my Aircamper
NX7229R has been mortally damaged in a landing mishap. The poor thing
has had its back broken. I sent it to live with my brother in south of
Tucson for the winter and on Dec 20, he called to say that he was OK,
but the piet was badly damaged when he pancaked it onto the runway. A
non-pilot airpark resident had run a stop sign on the bisecting access
road, and stopped in the middle of the runway when he saw my brother
coming. Instead of simply rolling on through he jammed it in reverse
and backed up. This distraction caused my brother to let the plane
slow, stall and drop to the runway. The longerons and the crossbrace at
the front gear/front lift strut attach point was crushed and buckled.
The fittings were pushed together about 4-5 inches. The wings sagged
down as the gear splayed, but somehow the prop remained untouched except
for a small dent on the leading edge when it hit a mesquite tree when
the poor piet left the runway. The lower cowling was damaged and the
gascolator deformed. Gas spilled, but thank heavens there was no fire.
There were no injuries to the solo pilot. The crash was witness by an
off duty officer and pilot, but since it occurred on private property no
citation was issued. The driver has denied any responsibility and
offered nothing in reparations. Only thing left to do is file a
lawsuit, but that really isn't in either of our natures. We are trying
to decide if the 10 year love affair with Aircamper 29R is over, or
simply another chapter is to be written as we build up or repair the
damaged fuselage. My brother has said he will buy me out and rebuild.
I still have the Stinson to fly, but can hardly imagine being without a
low and slow open cockpit airplane. Something in my head is whispering
0-200 powered? Maybe a new Rotec? What about a 120% scale Piet with
the 140HP LOM?
Steve 'E'
Spanish Fork, UT.
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Oscar
Zuniga
Sent: Thursday, January 10, 2008 7:37 PM
To: Pietenpol List
Subject: Pietenpol-List: great EAA video on Piets!!!!!!!
Ya gotta see it... Mike Cuy, Steve Eldredge, Lowell Frank, and a cast
of Pietenpols! 8:05 of video:
http://www.eaa.org/video/eaa.html?videoId=1373284259
Oscar Zuniga
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
http://www.matronics.com/Navigator?Pietenpol-Listhttp://forums.matronics.
comhttp://www.matronics.com/contribution
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