Today's Message Index:
----------------------
1. 01:17 AM - Fuel Tanks (Peter W Johnson)
2. 06:23 AM - Aluminum rims if you can......... (Michael D Cuy)
3. 06:28 AM - Vented or unvented nose tanks (Michael D Cuy)
4. 06:43 AM - Re: Aluminum rims if you can......... (Daniel Bailey)
5. 06:57 AM - Re: Aluminum rims if you can......... (Michael D Cuy)
6. 07:51 AM - Re: Seeking Piet ride at Sun N Fun (Gnwac@cs.com)
7. 08:10 AM - places to stay around Brodhead (Michael D Cuy)
8. 08:43 AM - Re: Seeking Piet ride at Sun N Fun (Isablcorky@aol.com)
9. 09:07 AM - Fuselage length and CG (Deon Engelmann)
10. 10:57 AM - Re: Summer Tour (Gadd, Skip)
11. 12:18 PM - Re: Fuel Tanks (DJ Vegh)
12. 02:50 PM - Re: Aluminum rims if you can......... ()
13. 04:06 PM - Re: Material strengths (Lauritz Larsen)
14. 04:48 PM - Re: more airfoil talk (Jack Phillips)
15. 04:52 PM - Re: Material strengths (Isablcorky@aol.com)
16. 04:54 PM - Re: Fuselage length and CG (DJ Vegh)
17. 04:59 PM - Re: more airfoil talk (Isablcorky@aol.com)
18. 05:29 PM - Re: Fuselage length and CG (Mike)
19. 05:30 PM - Re: more airfoil talk (Mike)
20. 06:06 PM - Re: Hardware test and evaluation of (hjarrett)
21. 06:10 PM - Piet for sale (built from GN-1 Plans) (KRSBtv@aol.com)
22. 06:39 PM - Re: Landing Gear (Dennis Engelkenjohn)
23. 06:56 PM - Tail section dimensions (PAT HOEVELMANN)
24. 07:18 PM - Re: Fuselage length and CG (Rick Holland)
25. 07:30 PM - Re: Landing Gear (dpaul)
26. 07:33 PM - Re: Tail section dimensions (Brants)
27. 08:37 PM - Re: Tail section dimensions (PAT HOEVELMANN)
28. 09:27 PM - Re: Fuel Tanks (Rcaprd@aol.com)
29. 09:35 PM - Re: more airfoil talk (DJ Vegh)
30. 11:26 PM - Re: more airfoil talk (Clif Dawson)
31. 11:28 PM - Re: Fuel Tanks (Peter W Johnson)
32. 11:49 PM - videos (Clif Dawson)
Message 1
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Hi Guys,
Do I need a seperate fuel vent pipe built into the fuel tank if I use a
vented fuel cap?
Just about ready to make the front tank.
Cheers
Peter
Wonthaggi, Vic. Australia
http://www.cpc-world.com
Message 2
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| Subject: | Aluminum rims if you can......... |
Group--- in searching for motorcycle rims I found the chromed or unchromed
steel rims to be way heavier than the aluminum rims. See the facts below:
Aluminum is approximately 1/3 the density of steel, 2.72 Mg/m3 versus
steel's 7.85 Mg/m3.
Mike C.
Message 3
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| Subject: | Vented or unvented nose tanks |
--> Pietenpol-List message posted by: Michael D Cuy <Michael.D.Cuy@grc.nasa.gov>
Peter-- I have a nose tank with a vented cap and during flow tests I found
that it did not require a separate vent.
The Tony Bingelis books show you how to set your plane up on an
incline (or your tank and carburetor level) as if in a climb attitude and
calculate how much flow you need for the horsepower of your engine at full
throttle to determine useable/unusable fuel quantities.
Mike C.
Message 4
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| Subject: | Re: Aluminum rims if you can......... |
Ah, but remember, steel is stronger, and less is used to come up with the same
strength.
Dan Bailey,
Paola, KS
----- Original Message -----
From: Michael D Cuy
To: pietenpol-list@matronics.com
Sent: Thursday, January 29, 2004 8:23 AM
Subject: Pietenpol-List: Aluminum rims if you can.........
Group--- in searching for motorcycle rims I found the chromed or unchromed steel
rims to be way heavier than the aluminum rims. See the facts below:
Aluminum is approximately 1/3 the density of steel, 2.72 Mg/m3 versus steel's
7.85 Mg/m3.
Mike C.
Message 5
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| Subject: | Re: Aluminum rims if you can......... |
<5.1.1.5.2.20040129092215.017a5c00@popserve.grc.nasa.gov>
Dan-- that is correct so the only way to compare them is to get equal
diameter rims and weigh each of them. I would bet you that the steel rims,
though less material might be used, will still carry a weight
penalty. Also-- the aluminum rims can be polished to look like chrome if
you take your time.
Mike C.
At 08:42 AM 1/29/2004 -0600, you wrote:
>Ah, but remember, steel is stronger, and less is used to come up with the
>same strength.
>
>Dan Bailey,
>Paola, KS
>----- Original Message -----
>From: <mailto:Michael.D.Cuy@grc.nasa.gov>Michael D Cuy
>To: <mailto:pietenpol-list@matronics.com>pietenpol-list@matronics.com
>Sent: Thursday, January 29, 2004 8:23 AM
>Subject: Pietenpol-List: Aluminum rims if you can.........
>
>Group--- in searching for motorcycle rims I found the chromed or unchromed
>steel rims to be way heavier than the aluminum rims. See the facts below:
>
>Aluminum is approximately 1/3 the density of steel, 2.72 Mg/m3 versus
>steel's 7.85 Mg/m3.
>
>
>Mike C.
Message 6
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| Subject: | Re: Seeking Piet ride at Sun N Fun |
Since the subject of Brodhead has come up, I am going to try to get there
this year and commercial into Madison, rent a car and stay somewhere. I've got
my wife and kids talked into going and hang out for the couple of days.
Any suggestions of places to stay for a young family with two boys, 9 & 11.
Thanks,
Greg Menoche
Delaware
Message 7
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| Subject: | places to stay around Brodhead |
Greg-- The nearest motels to Brodhead are in Monroe about 11 miles
west. There are no motels that I know of in Brodhead. You'd have to tent
camp if you wanted to stay on the airport---which is free with a donation
of your choice. My search below didn't show phone numbers.
Mike C.
Monroe Super 8 Motel
500 6th Street
Monroe, WI, 53566, US
Room rates from $44.68 to $48.91
Americinn Lodge & Suites
424 4TH AVENUE
Monroe, WI 53566
Room rates from $55.95 to $75.95
Message 8
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| Subject: | Re: Seeking Piet ride at Sun N Fun |
A bit farther away than Monroe but Isabelle and I have been very comfortable
on two trips at the Baymont in Janesville and found the rates quite
reasonable, and many places for food.
Corky in La
Message 9
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| Subject: | Fuselage length and CG |
Hi
I have been listening to the pros and cons of adding say 3" to the front
of the fuselage to get the CG right.
It was said that the fuselage would be to long in front of the wing and
could have an adverse effect on the flight characteristics.
Rather move the wing back to get the CG correct seems to be the way to
go.
Now I want to throw a cat among the pigeons.
If I add 3" to the front that would well, make the fuselage 3" longer at
the front. If I move the wing 3" back that would also make the fuselage
3" longer in front of the wing AND would make the rear 3" shorter
relative to the wing.
This would reduce the tail volume even further.
Would that not be even worse than just adding the 3" at the front?
Deon Engelmann
EAA322 Midrand # SA12055
Pretoria
South Africa
Message 10
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--> Pietenpol-List message posted by: "Gadd, Skip" <Skip.Gadd@ssa.gov>
Chuck,
By August 2004 we should be living at Hales Landing, an airpark 12 miles SE
of Parkersburg WV, right on your way home from Wheeling WV, or between
Columbus and Wheeling.
You, and your entourage would be welcome to stop in for a place to set up
your tent and some hot food, may even be able to find you a place to
shower. We will be building our hanger at that point and living in the
motorhome so, "come on down".
If you are interested let me know, I will send you the Lat and Long, it is
not on the sectional yet.
Skip, in Atlanta for another 125 days
> Columbus OH (big sister lives there),
>then 090 to Wheeling W V (my hometown). From there, it will be 270
back to
>Wichita KS. I'm sure there will be other 'Low & Slow' flyers that will
join us
>on some of the legs. Does it sound like a pretty good cross country trip
???
>Chuck Gantzer
>NX770CG
Message 11
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Messagenope.... as long as the tank is vented in some form you're fine. just
use the vented cap. Some folks will put a tube in the cap and put an angle cut
on it facing forward. This provides a small amount of positive pressure in
the tank because of the forced air into it..
DJ
----- Original Message -----
From: Peter W Johnson
Subject: Pietenpol-List: Fuel Tanks
Hi Guys,
Do I need a seperate fuel vent pipe built into the fuel tank if I use a vented
fuel cap?
Just about ready to make the front tank.
Cheers
Peter
Wonthaggi, Vic. Australia
http://www.cpc-world.com
=
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Message 12
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| Subject: | Re: Aluminum rims if you can......... |
Mike,
I've held comparable steel and aluminum rims, one in each hand, to compare the
weight. No scale was available but the weight difference
was far less than I expected. If you can find aluminum rims use them but don't
let steel rims be a show stopper.
Greg Cardinal
----- Original Message -----
From: Michael D Cuy
To: pietenpol-list@matronics.com
Sent: Thursday, January 29, 2004 8:56 AM
Subject: Re: Pietenpol-List: Aluminum rims if you can.........
Dan-- that is correct so the only way to compare them is to get equal diameter
rims and weigh each of them. I would bet you that the steel rims, though less
material might be used, will still carry a weight penalty. Also-- the aluminum
rims can be polished to look like chrome if you take your time.
Mike C.
At 08:42 AM 1/29/2004 -0600, you wrote:
Ah, but remember, steel is stronger, and less is used to come up with the same
strength.
Dan Bailey,
Paola, KS
----- Original Message -----
From: Michael D Cuy
To: pietenpol-list@matronics.com
Sent: Thursday, January 29, 2004 8:23 AM
Subject: Pietenpol-List: Aluminum rims if you can.........
Group--- in searching for motorcycle rims I found the chromed or unchromed
steel rims to be way heavier than the aluminum rims. See the facts below:
Aluminum is approximately 1/3 the density of steel, 2.72 Mg/m3 versus steel's
7.85 Mg/m3.
Mike C.
Message 13
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| Subject: | Re: Material strengths |
--> Pietenpol-List message posted by: "Lauritz Larsen" <pietlars@earthlink.net>
Check the Aircraft Spruce Catalog; there is an equivalent round tube vs
streamlined tube comparison for tensile and compresssive strength.
Lou larsen
----- Original Message -----
From: <Rcaprd@aol.com>
Subject: Re: Pietenpol-List: Material strengths
> --> Pietenpol-List message posted by: Rcaprd@aol.com
>
> In a message dated 1/27/04 9:21:55 AM Central Standard Time,
> Isablcorky@aol.com writes:
>
> << Ran across a couple pieces of streamline tubing left over from front
> struts
> of 41CC. 2 1/2X7/8X.049. Have some smaller pieces also. What my question
is,
> Could I sub this streamline tubing for the round in the fabing of the
split
> gear? Would it be strong enough for some of Nathan Moss's landings ( I
> question
> his depth perception sometimes) >>
>
> Corky,
> The plans call for 1 3/8" 14ga. (.074") 1020 steel tube for the Vee gear
> struts. As tempting as it may be to use the 2 1/2" X7/8" X.049", I just
don't
> think it would be adequate for a gross weigh, drop it in type landing.
>
> Chuck G.
> 4 F outside, calm winds - Hearty individuals like Shawn Wolk and Graham
> Hansen, call this 'Pietenpol Weather' !!!
>
>
Message 14
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| Subject: | more airfoil talk |
Just my $0.02 worth, I believe the NACA 2412 was the airfoil Cessna used on
the Cessna 120/140. From personal experience with my 1947 140 I can attest
to the fact that it is a fast, clean airfoil with a good glide (I measured
close to a 20:1 glide ratio solo in my 140). It also was a dismal performer
climbing out with a load on a hot summer day. Every takeoff from a 2,000'
grass trip in the summertime was a botany study, and I became intimately
familiar with the trees at the end of the runway. I don't think I would
call it a high-lift airfoil. I think I'll stick with BHP's airfoil. Even
if you could greatly reduce the induced drag from the airfoil, there is so
much parasite drag on this airplane that I doubt you would get much more
speed out of it, and you would likely lose the good qualities. If you want
more performance, build an RV.
Jack
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com]On Behalf Of hjarrett
Subject: Re: Pietenpol-List: more airfoil talk
Information on the NACA airfoils is pretty easy to get. Good luck finding
anything on BPs. That was why I suggested some wind tunnel testing by an
Aero student. You can't do a comparison if you don't have data on all the
airfoils. Best book to learn about aero theory I have found is by Abbott
and Von Doenhoff. Gets a little deep every once in a while but fun to plow
through.
Hank J
----- Original Message -----
From: Ken Chambers <mailto:kchambers@winternals.com>
Subject: Pietenpol-List: more airfoil talk
Ive poked around a little on the Internet, trying to weasel some airfoil
recommendations from knowledgeable folk. Just to keep us talking about it,
give us some ideas. David Lednicer, who seems to have some pretty nice
aerodynamic bona fides and works for Analytical Methods, Inc., thinks we
should keep it simple with NACA 2412 or 4412. Proven airfoils with
well-known characteristics. Used for years in a variety of Cessnas and other
aircraft.
I havent had a chance to find the stats for these airfoils so we can
compare them to the Pietenpol FC-10. Anyone know where to find this
information online?
Ken
Message 15
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| Subject: | Re: Material strengths |
Thanks Larsen,
After checking comparison chart and remeasuring my streamline tubing I feel
the streamline will actually be an overkill soooooooooooooo that's the way I
will go with 311CC. Better tell Nathan to practice his flair at 5 instead of 10
inches.
Corky in wet, cold La but it still beats Mike Cuy's neighborhood.
Do not archive
Message 16
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| Subject: | Re: Fuselage length and CG |
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Message 17
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| Subject: | Re: more airfoil talk |
Thanks Jack, I'm thinking along the same lines. Nothing wrong with the Piet
FC-10 as proven over the years. It was/ is my desire to do a bit of
experimenting with the possibility of maybe, if not accidentally, finding something
a
skosh more aerodynamically better. Has anyone ever tried a different airfoil?
Corky
Message 18
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| Subject: | Re: Fuselage length and CG |
MIME_QP_LONG_LINE
It isn't moving the wing that affects yaw stability. It is having a CG that
is too far aft which you then have to accommodate by moving the wing back.
It is, as almost everyone agrees, far better to do what ever it takes to
keep the CG forward, where it belongs.
Moving the wing should be a last resort to achieve a flyable airplane out of
a project. Moving the wing incurs, as this discussion shows, penalties in
yaw stability, possibly insufficient horizontal tail volume (i.e., pitch
stability) and in airplane esthetics (it don't look good...IMOHO).
Mike Hardaway
on 1/29/04 16:52, DJ Vegh at djv@imagedv.com wrote:
thats exactly what I said about 3 days ago. In my opinion the better of two
evils would be to move the engine forward rather than move the wing back.
you are correct moving the wing affects the yaw stability problem in two
ways. reduced tail moment and increased nose moment.
DJ Vegh
N74DV
Mesa, AZ
www.imagedv.com/aircamper <http://www.imagedv.com/aircamper>
-
----- Original Message -----
From: Deon Engelmann <mailto:engelmannd@icon.co.za>
Subject: Pietenpol-List: Fuselage length and CG
Hi
I have been listening to the pros and cons of adding say 3=94 to the front of
the fuselage to get the CG right.
It was said that the fuselage would be to long in front of the wing and
could have an adverse effect on the flight characteristics.
Rather move the wing back to get the CG correct seems to be the way to go.
Now I want to throw a cat among the pigeons.
If I add 3=94 to the front that would well, make the fuselage 3=94 longer at the
front. If I move the wing 3=94 back that would also make the fuselage 3=94
longer in front of the wing AND would make the rear 3=94 shorter relative to
the wing.
This would reduce the tail volume even further.
Would that not be even worse than just adding the 3=94 at the front?
Deon Engelmann
EAA322 Midrand # SA12055
Pretoria
South Africa
Message 19
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| Subject: | Re: more airfoil talk |
MIME_QP_LONG_LINE
on 1/29/04 16:58, Isablcorky@aol.com at Isablcorky@aol.com wrote:
Thanks Jack, I'm thinking along the same lines. Nothing wrong with the Piet
FC-10 as proven over the years. It was/ is my desire to do a bit of
experimenting with the possibility of maybe, if not accidentally, finding
something a skosh more aerodynamically better. Has anyone ever tried a
different airfoil?
Corky
Corky et al,
Isn't that what John Grega did?
Message 20
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| Subject: | Re: Hardware test and evaluation of |
--> Pietenpol-List message posted by: "hjarrett" <hjarrett@hroads.net>
I started to lay out a test procedure but it got totally out of hand in
short order when I tried to cover every possible eventuality. The process
isn't really all that complicated but there are a BUNCH of details that
could cause the test to include or exclude certain loading conditions. Do
you guys have a picture (to start) of the parts the bolt holds and where it
is in the control system. Once I have that I can figure out exactly what
loading conditions are needed to demonstrate a positive safety margin. The
test itself should only involve some levers and a scale applied to some
steel plates to load the bolt and simulate the loading conditions in the
plane. Every test is a little different, but not complicated. The test
should be able to apply a 200% load without even making the bolt break a
sweat (at least everything else BP designed seems overbuilt that way).
Hank
----- Original Message -----
From: <Rcaprd@aol.com>
Subject: Pietenpol-List: Hardware
> --> Pietenpol-List message posted by: Rcaprd@aol.com
>
> In a message dated 1/28/04 7:55:56 PM Central Standard Time,
Andimaxd@aol.com
> writes:
>
> << Chuck, a castle nut would probably be a good idea. >>
>
> Max,
> A castle nun / cotter pin is standard practice in a rotational
application.
>
> Hank,
> How could a homebuilder set up, and do a destructive test, and come up
with
> an accurate reading ? The ol' Sledge Hammer doesn't offer up any numbers
!!
>
> Everyone,
> Keep in mind that these e-mails will go into archive, and for future
> reference the 'Subject Line' should pertain to the text.
>
> Chuck G.
>
>
Message 21
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| Subject: | Piet for sale (built from GN-1 Plans) |
In early November, I purchased a "Pietenpol" from a builder in Mineral
Bluffs, Georgia. The builder completed the project from GN-1 plans in June of 1998
and as soon as the Atlanta FSDO signed the papers and assigned the Phase 1
flight restrictions, the builder had a heart attack and lost his medical. The
plane sat under cover at his home until I picked it up in November. About a week
after I returned home, the builder entered a coma and was admitted to a
hospital in Atlanta, where at last I heard, he remains comotose. (His ad is still
posted on Grant McLauren's website... look for Bob Linton as the person who
posted the original ad...)
I originally had planned on traveling to Georgia with my dad (retired jet
jockey and A&P license) to inspect the plane prior to purchase, but he became ill
and was hospitalized and unable to travel. I went alone and brought the
airplane home. After my dad got out of the hospital, he found a few details that
needed immdieate attention. One of the things that needed fixing was the carb.
I
purchased a yellow-tag carb (Marvel) to fix one problem and I installed a new
gascolator, There are a few other descrepancies that I am willing to disclose
that my dad determined needed TLC.
I am not able to devote any time to getting the airplane ready for a new FSDO
inspection here in Texas, because my dad was re-admitted to the hospital for
surgery due to colon cancer, To compound matters, my mother was diagnosed with
lung cancer about the time my dad had his surgery. I was advised today that
my mom has 6 months left and I have very little personal time to devote to my
"hanger queen" that is sitting the hanger here on my farm in central Texas.
I'd like to keep this bird and "tweak" the discrepancies, but I am now a
caregiver and devoting a lot of time to taking care of my parents. I don't have
any spare time for the airplane, nor do I have the mechanical skills of my dad
or the A&P license in order to annual the airplane. (There isn't an A&P
mechanic for 50 miles... and I am not spending much time on the farm for a mechanic
to come out and make some fixes anyway.)
I will sell the airplane for less than I have in it and will include the
newly overhauled, yellow tagged Marvel carb.
For details, please contact me at KRSBTV@AOL.COM. I can send a couple of
pictures on-line but for anyone who is seriously interested, I'll have to send
a
CD containing more info, I have dial-up connection and it is painfully slow.
Anyone who is interested in purchasing this airplane will need to haul it off
on a trailer. I have a trailer specifically suited for hauling this (or
other) airplanes that is basically new, that I can sell if someone needs a great
airplane trailer.
Thanks,
Sterling Brooks
Knot-2-Shabby Airport, 5TA6, San Antonio Sectional - Central Texas
(KRSBTV@AOL.COM)
Message 22
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| Subject: | Re: Landing Gear |
Hi Dave:
If you don't find them there try Fog Hollow motorcycle salvage. They have a
location in Wellston, a St.Louis suburb and in Eureka, Mo on hwy 44. They also
have a website.
Dennis
----- Original Message -----
From: dpaul
To: pietenpol-list@matronics.com
Sent: Wednesday, January 28, 2004 1:35 PM
Subject: Pietenpol-List: Landing Gear
List,
I've found a motorcycle shop in Rosebud Missouri that has hundreds of used
motorcycle wheels sorted into bins. I'm going there Saturday to pick out my
Piet wheels. Any suggestions as to what to look for and what to avoid? Thanks.
Dave Paulsen
Message 23
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| Subject: | Tail section dimensions |
I am starting the tail section for my piet. I am having trouble reading the dimensions
on the horizontal. The cap strips that run from the leading edge back
to the main beam on the top and bottom are they 1/8x3/4? How many plies should
the The 1/8 plywood gussets be? I have a lot of questions, I hope you all
can help me. Thanks
James
J. Hoevelmann
Message 24
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| Subject: | Re: Fuselage length and CG |
Someone posted a quote from Bernie made I believe a few years after he
built the Corvair/long fuselage Piet suggesting adding 6 inches to the
front of the fuselage. If you are using a lighter engine and need to
make the engine mount 3" longer to balance why not just make the
fueslage 3" longer instead and gain some interior fuselage volume? After
adding the cowling the fuselage length forward of the leading edge will
be the same.
RickH
Deon Engelmann wrote:
> Hi
>
>
>
> I have been listening to the pros and cons of adding say 3" to the
> front of the fuselage to get the CG right.
>
> It was said that the fuselage would be to long in front of the wing
> and could have an adverse effect on the flight characteristics.
>
> Rather move the wing back to get the CG correct seems to be the way to go.
>
>
>
> Now I want to throw a cat among the pigeons.
>
>
>
> If I add 3" to the front that would well, make the fuselage 3" longer
> at the front. If I move the wing 3" back that would also make the
> fuselage 3" longer in front of the wing AND would make the rear 3"
> shorter relative to the wing.
>
> This would reduce the tail volume even further.
>
>
>
> Would that not be even worse than just adding the 3" at the front?
>
>
>
>
>
> Deon Engelmann
>
> EAA322 Midrand # SA12055
>
> Pretoria
>
> South Africa
>
>
>
Message 25
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| Subject: | Re: Landing Gear |
Thanks Dennis! Eureka sounds great. Question: Did you attach your landing gear
to the fuse by drilling and bolting through struts, the wedges between the
struts or doesn't it make any difference?
Another question if you don't mind. On "Sky Gypsy," do you think those wheels
are covered with fabric or metal. I'm wondering if that would be a good way to
strengthen a spoked wheel or if it's just cosmetic.
Hope you're making good progress on the Piet.
Dave
----- Original Message -----
From: Dennis Engelkenjohn
To: pietenpol-list@matronics.com
Sent: Thursday, January 29, 2004 6:41 PM
Subject: Re: Pietenpol-List: Landing Gear
Hi Dave:
If you don't find them there try Fog Hollow motorcycle salvage. They have
a location in Wellston, a St.Louis suburb and in Eureka, Mo on hwy 44. They also
have a website.
Dennis
----- Original Message -----
From: dpaul
To: pietenpol-list@matronics.com
Sent: Wednesday, January 28, 2004 1:35 PM
Subject: Pietenpol-List: Landing Gear
List,
I've found a motorcycle shop in Rosebud Missouri that has hundreds of used
motorcycle wheels sorted into bins. I'm going there Saturday to pick out
my Piet wheels. Any suggestions as to what to look for and what to avoid? Thanks.
Dave Paulsen
Message 26
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| Subject: | Re: Tail section dimensions |
Pat,
I'm currently working on the tail section with the horiz. stab completed. All
the capstrips in the tail are 3/16" thk. X 1/2" wide. As for # of plies, if you
have a good marine or aircraft grade 1/8" thk. plywood (I'm using marine grade
Okume) that should work fine. Typically I believe they're 3 ply. Many people
are using aircraft grade birch or mahogony plywood. Any of these should
be fine.
Where are you located?
Tom Brant
Brooklyn Park, MN
----- Original Message -----
From: PAT HOEVELMANN
To: pietenpol-list@matronics.com
Sent: Thursday, January 29, 2004 8:55 PM
Subject: Pietenpol-List: Tail section dimensions
I am starting the tail section for my piet. I am having trouble reading the
dimensions on the horizontal. The cap strips that run from the leading edge back
to the main beam on the top and bottom are they 1/8x3/4? How many plies should
the The 1/8 plywood gussets be? I have a lot of questions, I hope you all
can help me. Thanks
James J. Hoevelmann
Message 27
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| Subject: | Re: Tail section dimensions |
I am in Union Mo. Thanks for the dimensions. What kind of wood are you using
and where are you getting it? I used poplar for the fuselage and douglas fir
for the ribs. I think I may just get the precut stuff from wicks for the tail
section.
Brants <tmbrant@usfamily.net> wrote:Pat,
I'm currently working on the tail section with the horiz. stab completed. All
the capstrips in the tail are 3/16" thk. X 1/2" wide. As for # of plies, if you
have a good marine or aircraft grade 1/8" thk. plywood (I'm using marine grade
Okume) that should work fine. Typically I believe they're 3 ply. Many people
are using aircraft grade birch or mahogony plywood. Any of these should
be fine.
Where are you located?
Tom Brant
Brooklyn Park, MN
Message 28
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--> Pietenpol-List message posted by: Rcaprd@aol.com
In a message dated 1/29/04 3:18:06 AM Central Standard Time,
vk3eka@bigpond.net.au writes:
<< Do I need a seperate fuel vent pipe built into the fuel tank if I use a
vented fuel cap? >>
Peter,
You only need one vent, bent and pointed into the slipstream, similar to the
way Tony Bengalis shows it. I made the vents into the fuel caps, on both the
wing tank, and the cowl tank. I bent a 1/4" copper tube, JB Weld to attach
it to the cap. The cowl tank fuel cap also has a wire / cork for fuel quantity
indicator.
Are you building a wing tank, or cowl tank ? What material ?
Chuck Gantzer
Message 29
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| Subject: | Re: more airfoil talk |
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Message 30
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| Subject: | Re: more airfoil talk |
Grist for the mill;
http://www.aae.uiuc.edu/m-selig/ads.html
http://www.dreesecode.com/other/aflprimer.pdf
http://www.aae.uiuc.edu/m-selig/ads/aircraft.html
A list of hundreds of aircraft and their airfoils
Clif
Subject: Re: Pietenpol-List: more airfoil talk
Thanks Jack, I'm thinking along the same lines. Nothing wrong with the Piet FC-10
as proven over the years. It was/ is my desire to do a bit of experimenting
with the possibility of maybe, if not accidentally, finding something a skosh
more aerodynamically better. Has anyone ever tried a different airfoil?
Corky
Message 31
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--> Pietenpol-List message posted by: "Peter W Johnson" <vk3eka@bigpond.net.au>
Thanks for the replys,
I'm building both cowl tank and center section out of 0.050" 5052 - H32
Aluminium.
Looks like 1/4" tube in each of the caps will do the job.
Cheers
Peter.
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of
Rcaprd@aol.com
Subject: Re: Pietenpol-List: Fuel Tanks
--> Pietenpol-List message posted by: Rcaprd@aol.com
In a message dated 1/29/04 3:18:06 AM Central Standard Time,
vk3eka@bigpond.net.au writes:
<< Do I need a seperate fuel vent pipe built into the fuel tank if I use a
vented fuel cap? >>
Peter,
You only need one vent, bent and pointed into the slipstream, similar to the
way Tony Bengalis shows it. I made the vents into the fuel caps, on both
the
wing tank, and the cowl tank. I bent a 1/4" copper tube, JB Weld to
attach
it to the cap. The cowl tank fuel cap also has a wire / cork for fuel
quantity
indicator.
Are you building a wing tank, or cowl tank ? What material ?
Chuck Gantzer
Message 32
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|
Does anyone remember that great site that
had all those Piet video clips on it?
It went down some time ago but I had down
loaded the clips. They all disappeared when
I had that virus attack last Sept.
They were great and I played them a lot. I don't
suppose they're still available somewhere???
Clif
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