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Old Oct 06, 2013, 05:37 PM
Dave Segal
Philadelphia PA USA
Joined Jun 2001
551 Posts
Question
Radial Engine Question

This photo is of a replica Fokker D-VIII powered by a static radial engine. What is the barrel-like object at the bottom of the engine? Is it an oil tank? The plane is from the Vintage Aero Flying Museum, Urbana, Ohio.
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Old Oct 07, 2013, 01:32 AM
Registered User
S.F. Bay Area, California, USA
Joined May 2005
720 Posts
My guess would be the carburetors air intake / air filter.
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Old Oct 07, 2013, 08:32 AM
Dave Segal
Philadelphia PA USA
Joined Jun 2001
551 Posts
That was my second guess.
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Old Oct 17, 2013, 08:00 PM
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United States, IN, Avon
Joined Feb 2005
182 Posts
It appears to be the cap end of an cone or canister style air filter. You can see the screws in the forward end, they are safety wired to keep from coming loose.
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Old Oct 18, 2013, 08:33 AM
Dave Segal
Philadelphia PA USA
Joined Jun 2001
551 Posts
Thanks for your replies.
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Old Dec 09, 2013, 05:30 PM
If it flies, I crash it!
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USA, NH, Londonderry
Joined Nov 2006
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The plane is using a PT-17 Kadet radial engine.
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Old Dec 11, 2013, 12:32 AM
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that doesn't look like a 450 P&W to me....
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Old Dec 11, 2013, 06:26 PM
If it flies, I crash it!
dlazarus6660's Avatar
USA, NH, Londonderry
Joined Nov 2006
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Quote:
Originally Posted by packardpursuit View Post
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that doesn't look like a 450 P&W to me....
Wanna bet?
I'm seeing a lot of similarities.
7 cylinders, spark plug in the middle of the jug, fins on exhaust, similar crankcase.
I think I'll contact the museum that has this plane and ask them.
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Old Dec 12, 2013, 02:52 AM
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Sorry, lame attempt to be funny.

normal PT-17 engine was 225 Continental. however, and IIRC, the airframe is certified for engines up to 450 hp. 450 Pratt & Whitney has 9 sylinders and is considerably larger diam.

http://en.wikipedia.org/wiki/Continental_R-670

http://en.wikipedia.org/wiki/Pratt_&...85_Wasp_Junior

The engine in Fokker reproduction appears to be a Continental
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Old Dec 22, 2013, 05:51 PM
ein flugel schplinterizer
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USA, FL, Pensacola
Joined Sep 2004
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Here's our PT-17 at work with 450 HP P&W. I'll see if I can get a better photo of the radial tomorrow. BTW, Stearmans can be certified for up to 600 HP.
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Old Dec 26, 2013, 07:18 PM
If it flies, I crash it!
dlazarus6660's Avatar
USA, NH, Londonderry
Joined Nov 2006
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I guess I was wrong!

It's 220HP Continental.

Oh weller.

http://www.vafm.org/planes/D8/D8.html
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