Today's Message Index:
----------------------
1. 06:19 AM - Weldable flange (fiberglass fuel tank) (Pilots4ETW@wmconnect.com)
2. 09:48 AM - Plans ordering trouble (Dan Loegering)
3. 09:55 AM - Airfoils (Isablcorky@aol.com)
4. 10:18 AM - Re: Airfoils (DJ Vegh)
5. 03:25 PM - Re: Plans ordering trouble (Ben Charvet)
6. 05:15 PM - Re: Airfoils (Rcaprd@aol.com)
7. 05:46 PM - Re: Weldable flange (fiberglass fuel tank) (Rcaprd@aol.com)
Message 1
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| Subject: | Weldable flange (fiberglass fuel tank) |
I'm getting close to building my fuel tanks out of fiberglass. In looking at
the book, Sportplane Construction Techniques by Tony Bingelis (page 83) I see
the flange but don't have any idea which flange size to order for my specific
needs.
Both AS&S and Wicks show flanges using 1/8", 1/4", 3/8", 1/2", 3/4" female
pipe thread in which to insert the finger strainer. I'm guessing a 3/8" would be
OK for a Contienetal A-65 or a Corvair engine's thirst? Or should I go with
1/2"?
Thanks,
Roy
Message 2
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| Subject: | Plans ordering trouble |
--> Pietenpol-List message posted by: "Dan Loegering" <danl@odayequipment.com>
Hi all,
Have finally decided to take the plunge and order plans (wife said OK) and am running
into difficulty trying to make this happen. Is the information on the
Pietenpol web site still accurate? I attempted to email Don and Andrew with the
addresses listed and they bounced back undeliverable.
Any thoughts on how I can obtain a set of plans so I can start construction?
Dan Loegering
Fargo ND
Message 3
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Pieters,
Anyone know whether the GN is the same airfoil as the B H Pietenpol?
Corky
Message 4
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it is with the exception of the radius of the leading edge. the GN1 has a larger
radius for a more blunt leading edge. Other than that it's the same.
also the spars are placed on 31" centers on the GN1.
DJ
----- Original Message -----
From: Isablcorky@aol.com
To: pietenpol-list@matronics.com
Sent: Monday, February 21, 2005 10:54 AM
Subject: Pietenpol-List: Airfoils
Pieters,
Anyone know whether the GN is the same airfoil as the B H Pietenpol?
Corky
Message 5
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| Subject: | Re: Plans ordering trouble |
--> Pietenpol-List message posted by: "Ben Charvet" <bcharvet@bellsouth.net>
I ordered my plans in November and used the Paypal option for payment. They
were delivered within 2 weeks and even included a letter from Don Pietenpol
suggesting that I make at least one part every day. I never received any
e-mails from them though.
Ben Charvet
Just getting started too
Message 6
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--> Pietenpol-List message posted by: Rcaprd@aol.com
In a message dated 2/21/05 12:18:52 PM Central Standard Time, djv@imagedv.com
writes:
<< it is with the exception of the radius of the leading edge. the GN1 has
a larger radius for a more blunt leading edge. Other than that it's the same.
also the spars are placed on 31" centers on the GN1.
DJ >>
DJ is correct about the leading edge, and although I've never seen the GN1
and the Pietenpol 'FC 10' overlaid on each other, I'd be willing to bet there
are other small differences. I do understand that a larger radius on the
leading edge helps keep the wing flying at a higher 'Critical Angle of Attack'
(AOA
when the wing begins to stall). Have you ever noticed how large the radius is
on aerobatic planes? It's Huge !! It allows them to fly at a higher angle
of attack, and use the enormous amount of thrust to maintain altitude, when
they are behind the power curve. The official name for behind the power curve
is the 'Region of Reversed Command'. The drawback to a larger radius leading
edge is in cruise flight, where drag is increased significantly...that's why
the aerobatic planes don't make a very efficient cross country plane. Nothing
is for Free in aircraft design !!
Chuck G.
Hey...I've been reading a book by Berry Schiff called '1001 Things You Though
You Knew About Aviation'.
Why was it decided in the 18th Century that the territorial limit of the
United States (and other countries) should extend three miles beyond shore ?
This was the maximum range of a shore based cannon.
Message 7
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| Subject: | Re: Weldable flange (fiberglass fuel tank) |
--> Pietenpol-List message posted by: Rcaprd@aol.com
In a message dated 2/21/05 8:20:19 AM Central Standard Time,
Pilots4ETW@wmconnect.com writes:
<< I'm getting close to building my fuel tanks out of fiberglass. In looking
at
the book, Sportplane Construction Techniques by Tony Bingelis (page 83) I
see
the flange but don't have any idea which flange size to order for my
specific
needs.
Both AS&S and Wicks show flanges using 1/8", 1/4", 3/8", 1/2", 3/4" female
pipe thread in which to insert the finger strainer. I'm guessing a 3/8"
would be
OK for a Contienetal A-65 or a Corvair engine's thirst? Or should I go with
1/2"?
Thanks,
Roy >>
Roy,
I believe 3/8" is the chosen pipe thread for the small Continentals. That is
what I used, however I did some rework to the finger strainer. The only
finger strainer I could find had 3/8" male pipe threads, and reduced to 1/4"
female threads, with a hex to tighten the finger strainer into the weldable
fitting. I was afraid 1/4" is too small, and would restrict fuel flow. I reworked
the finger strainer by using a die to cut the male threads of the finger
strainer down to the point where it would go in the female threads of the weldable
fitting enough to allow an AN822 ELBOW with 3/8" male pipe thread on one
end, to go into the weldable fitting, and 3/8" Flair fitting on the other end of
the elbow. I left the hex on the finger strainer till I got the threads cut
down enough, then cut the hex off, and used a square easy out to install and
seat the finger strainer down in the weldable fitting, then installed the elbow
on top of it. I ruined the first finger strainer, by cutting too much threads
off, and it just threaded right through the weldable fitting. I now have
3/8" plumbing all the way from the tank, through the gascolator, to the carb.
Oh yeah, before glassing it in, I also cut the ridge down around the
radius of the weldable fitting, so the fiberglass layers would lay right up around
it.
Chuck G.
the word 'Aileron' is derived from a French word referring to a 'Small Wing'.
(sheesh.......I feel like Cliff Claven from Cheers !! )
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