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Sky9pilot
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Re: Stearman
Reply #12 - Dec 27th, 2011 at 12:16am
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Thanks Charlieman....

Always great to hear about these planes form those who flew or worked on them...  Thanks for the input.  I didn't realize there were so many options for the PT's over their life time till I started doing some research...

Tom
  

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Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Charlieman
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Re: Stearman
Reply #11 - Dec 26th, 2011 at 1:23pm
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I worked in shop where we bought 13 wrecked PT's from a longtime ag company, out of Tracy, CA. All had been fitted with Wright 975's (IIRC these originally came from BT-15's). Most post WWII ag ops used 450 P&W, but this fellow specialized in Wright power for his "Stearmans".
The fuselages came home on three trailers. I was pulling the one with 5 fuselages piled on. Intersting ht concerns at overpasses! About three weeks earlier we had brought home five complete Wright engines, plus three grape bins full of matched exhaust parts etc. Operator still had a ROOM full of new Wright cylinders still wrapped in cosmoline waxed paper!

I get a kick out of the "Super Stearman" moniker. AFAIK, basic PT-17 airframe is STC'd for 450hp. 985 cu. in. P&W, as built. It was super from the beginning and is built more like a truck than an airplane! The usual engine fitted to wartime Pt-17's was the Cont. 225 hp or  Jacobs,
  
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C.L. Chennault
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Re: Stearman
Reply #10 - Dec 23rd, 2011 at 7:51am
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Fantastic!!  Thanks guys. 
Sometime next week, I will start cutting plastic parts.  I need to get a paint set and some brushes.
  

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Sky9pilot
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Re: Stearman
Reply #9 - Dec 23rd, 2011 at 2:19am
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JohnO...

Another master piece...any bipe you haven't done yet????

Love the detail...

Tom
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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John M Oshust
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Re: Stearman
Reply #8 - Dec 22nd, 2011 at 8:55pm
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The engine at work!
  

( 89 KB | 22 Downloads )
STStearman_3.jpg

So many planes....so little time!
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John M Oshust
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Re: Stearman
Reply #7 - Dec 22nd, 2011 at 8:49pm
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The plane.
  

( 107 KB | 25 Downloads )
STStearman_2.jpg

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John M Oshust
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Re: Stearman
Reply #6 - Dec 22nd, 2011 at 8:45pm
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The stearman had quite a few engines.  Many add ons after they were adapted for other uses.  My Stearman was a crop duster with a hot P+W engine.  Here is my rendition of the powerplant.
  

( 102 KB | 15 Downloads )
STStearman_1.jpg

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Sky9pilot
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Re: Stearman
Reply #5 - Dec 22nd, 2011 at 7:44pm
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The PT-18 had a Jacobs R-755  YouTube Walk Around

Might be the one your thinking of....with the pushrod tubes...

The radial with the big exhaust collector on the front is the Wright 760 Naval Aircraft Factory N3N

The modified airshow "Super Stearman" uses a Pratt and Whitney R-985 radial...usually cowled... Eddie Andreini's Super Stearman  a nice read.

Tom
« Last Edit: Dec 22nd, 2011 at 8:45pm by Sky9pilot »  

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And ye shall know the truth, and the truth shall set you free. Jn 8:32
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C.L. Chennault
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Re: Stearman
Reply #4 - Dec 22nd, 2011 at 5:00pm
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Curious about the pushrod tubes, if thats what they are.  One side of the head has more fins than the other.  I guess thats the exhaust side, with an exhaust tube to collect them all.  I saw some with the exhaust tube in the front.
The search goes on.....  
  

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C.L. Chennault
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Re: Stearman
Reply #3 - Dec 22nd, 2011 at 3:47pm
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EXCELLENT PIC !!! Thanks. I went hunting last night and could not find a decent shot. Thanks.  
Saw a couple different motors for that plane.  Folks used what they had.  That is the one modeled.  Thats the one I will do.   There was another, with more cylinders and pushrods in the front.  The one you posted is the one that came with the kit and was most common.
Thanks.

I saw it.  Looks fantastic.
  

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Sky9pilot
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Re: Stearman
Reply #2 - Dec 22nd, 2011 at 2:14pm
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Hey,

Check out scigs30's stearman...Stearman PT-17 at HPA

Tom
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Sky9pilot
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Re: Stearman
Reply #1 - Dec 22nd, 2011 at 1:14pm
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I think the PT-17 had a continental radial Continental R-670

Tom
  

( 107 KB | 21 Downloads )
cont_r670.jpg

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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C.L. Chennault
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Stearman
Dec 21st, 2011 at 5:48pm
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Well, I did it.  Cant say when I will build the rest of the plane, but after seeing John do his engines, I gotta try it.  The engine is the only reason I didn't do this plane along time ago.  Traded a 400 series Mustang and a 400 series Zero that I got off evilbay.  Had 2 Mustangs, only need one.  
In the end, I saved a couple bucks.  
btw, anybody know what motor that was? 

  

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