RE: Great Planes PT- 17 Stearman ARF  
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RE: Great Planes PT- 17 Stearman ARF - 9/9/2005 9:36:16 PM   
ElectRick


 

Posts: 475
Joined: 8/31/2002
From: Jacksonville, FL, USA
Status: offline
Sorry to hear about the cylinder problems. I bought a scratch 'n' dent sale PT-17 from Tower way cheap that is missing the dummy engine and the hardware kit. I had planned on making a dummy engine using Williams Bros. cyliders anyway, since I think GP's dummy engine looks anorexic. IMO, it's the engine on this model that either makes or breaks the whole plane's looks.

I am hopeful that Dan Brett gets WB Model Products cranking out cylinders soon, as I'm sure I will need some spare cylinders sooner or later. Right now I have just enough.

Rick

(in reply to carlbecker)
       Post #: 76

RE: Great Planes PT- 17 Stearman ARF - 9/9/2005 11:07:12 PM   
Nerevar


 

Posts: 260
Joined: 6/2/2005
From: *, USA
Status: offline
Carl .. Sorry to hear about your problems with the dummy cylinders.
During the build up I noticed the plastic dummy engine seemed a bit on the thin and flimsy side so I coated the crankcase and inner cylinders with a light coat of epoxy. If that turns out to not be enough, I'm going to keep in mind your fiberglass "fix". I'm mostly concerned about the bottom two cylinders as alot of material had to be cut away to clear the 120.


Rick .. I don't have to worry about not being able to tell mine from the others. I've got my fingerprints on it.
'course it was accidental like you understand.

(in reply to carlbecker)
       Post #: 77

RE: Great Planes PT- 17 Stearman ARF - 9/10/2005 2:37:25 AM   
Fly4Real


 

Posts: 36
Joined: 9/28/2004
From: Olathe, KS, USA
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Here is my plane. I've always wanted a Stearman but didn't like the color scheme so I changed it. Recovered the fuse/tail, painted the cowl, struts, gear. Repainted the pilots and modified one to make him look different. My biggest problem was the dummy engine supplied with the kit so I made my own from two half engines from a top-flite giant corsair dummy engine kit. I also don't like the "plastic" look for a scale aircraft so I scuffed the bejesus out of the monokote with the scotch brite pad on a mouse sander. Overall I am very pleased with the results and it flies great. I have a G-23 for power which is plenty. I like to putter around with it and landings are SWEET!

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(in reply to Hellcat716)
       Post #: 78

RE: Great Planes PT- 17 Stearman ARF - 9/10/2005 2:43:35 AM   
Fly4Real


 

Posts: 36
Joined: 9/28/2004
From: Olathe, KS, USA
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Here are the other pics of the recovered Great Planes ARF.

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(in reply to Fly4Real)
       Post #: 79

RE: Great Planes PT- 17 Stearman ARF - 9/10/2005 5:16:07 AM   
ExperimentalAviator



Posts: 161
Joined: 1/31/2003
From: Tuscaloosa, AL, USA
Status: offline
Ramon,

The circles on the bottom wing are 6.0" Diam. and the letters are 6.0" tall. A few dollars worth of graphics personalized my Stearman and the vinyl holds up so much better than the stuff that comes with the ARF's.

Fly4Real,

Great job on your Stearman!! Yours is definitely personalized and looks great!

Mike

(in reply to Fly4Real)
       Post #: 80

RE: Great Planes PT- 17 Stearman ARF - 9/10/2005 5:59:30 AM   
ElectRick


 

Posts: 475
Joined: 8/31/2002
From: Jacksonville, FL, USA
Status: offline
Fly4Real, are those anti-rotation scissors I see on your landing gear? Can you provide a little info on them, and maybe a closeup shot?

Rick

(in reply to ExperimentalAviator)
       Post #: 81

RE: Great Planes PT- 17 Stearman ARF - 9/10/2005 6:50:54 AM   
Nerevar


 

Posts: 260
Joined: 6/2/2005
From: *, USA
Status: offline
Thanks Mike for the info. I sent an email to Mr Fulmer to ask him about his lettering.

Fly4Real ... Yours with the yellow and blue makes me want to get another one and redo it in that color scheme.
What did you make the dummy air intake on the top of the cowl out of?

(in reply to ExperimentalAviator)
       Post #: 82

RE: Great Planes PT- 17 Stearman ARF - 9/11/2005 10:27:54 PM   
Fly4Real


 

Posts: 36
Joined: 9/28/2004
From: Olathe, KS, USA
Status: offline
Here is the closeup of the anti-rotation scissors. They are'nt dead-on scale, I just made them look like pictures I had. They are made from two pieces of balsa cut to shape and a piece of aluminum tube glued to the !QUOT!elbow!QUOT! of the joint. The whole piece is soaked to CA to harden it then is simply glued to the gear strut with gap filling medium CA. After over a hundred landings they have stayed on, which surprised me. I have knocked them off moving the plane around once, but just simply re-glue with CA, no problem.

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(in reply to ElectRick)
       Post #: 83

RE: Great Planes PT- 17 Stearman ARF - 9/11/2005 10:34:57 PM   
Fly4Real


 

Posts: 36
Joined: 9/28/2004
From: Olathe, KS, USA
Status: offline
Ramon081850- Here are the pics of the air intake. According to the pictures I took of the real thing, this looks pretty close. I made from to pieces of balsa dowel glued at a 90 degree angle. I then sanded it to shape and made the recess on the front with a dremel "router" bit. The screen texture on the inside was made from a piece of fine netting material my wife had (It was used at a wedding for table decorations). I CA'ed the material to a piece of paper, cut it to shape and then glued it inside the recessed area of the intake.
The entire assembly was hardened with CA lightly filled with balsa filler and then painted. I painted the recessed area flat black and then "dry brushed" the silver over the screen texture which gives it more depth. Hope this helps and good luck with your Stearman!

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(in reply to Nerevar)
       Post #: 84

RE: Great Planes PT- 17 Stearman ARF - 9/12/2005 12:39:31 AM   
BobH


 

Posts: 4378
Joined: 4/1/2003
From: Springfield, VA,
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Just picked up this AFR yesterday after a mishap with my Edge (4 years old). I had a Saito 1.8 in the Edge and now this engine is freed up. I read thats at least one other person has the same engine in his Stearman.. Of course using Throttle will be a must with the larger engine. I'm just wondering if I shouldn't go for a smaller engine in the first place or just put the larger engine in it and not worry about it. Thanks in advance.

_____________________________

BobH.

(in reply to Fly4Real)
       Post #: 85

RE: Great Planes PT- 17 Stearman ARF - 9/12/2005 4:26:22 AM   
ExperimentalAviator



Posts: 161
Joined: 1/31/2003
From: Tuscaloosa, AL, USA
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I have not had any problems with my 1.80 powered Stearman, now with 14 flights (140+ minutes of air time). I am swinging an APC 18 x 6W prop to keep the thrust up and speed down. I would prefer a 18 x 4 prop but APC does not have one, and I need the weight of the Glass Filled prop for C.G. purposes. I prefer APC props, but since performance is not critical here I need to see if Master Airscrew has one.

I do not use any power setting above 50% except for high angle climbs to altitude for spins. Scale like takeoffs require only 30% power, at best. The big advantage to having a big motor is on the flybys, which require so little power that the sound of the prop can be heard, and overall, the effect is almost real.

I bought the PT-17 because my wife liked it so much. I thought I was going to be bored with this model in short order, but that is not the case. I really enjoy trying to fly it in a scale like manner, and repeated touch and go's are a lot of fun. Sometimes I touch two or three times, but it's still a lot of fun

Here are some pictures from todays flights (downsized for email). All of the Stearman pictures are available in High Resolution if you want a copy. Just let me know.

Mike


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< Message edited by ExperimentalAviator -- 9/12/2005 4:32:58 AM >

(in reply to BobH)
       Post #: 86

RE: Great Planes PT- 17 Stearman ARF - 9/12/2005 4:33:17 AM   
BobH


 

Posts: 4378
Joined: 4/1/2003
From: Springfield, VA,
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Mike, I think I see your engine mounted inverted? Is that correct? Thanks for the update. I do have a Saito 150 as well so I could switch to that but I received it second hand and I haven't run it yet. Not to mention that a friend of mine bought the same plane as I did yesterday and purchased a Saito 180 because he has the Flair Stearman and wants to use that engine in the Flair when its built. So he plans to break it in in the GP Stearman. I used the 17x8 APC in the Edge and it was a good combination but the Stearman is a different plane so an 18x6 is probably a good choice.

_____________________________

BobH.

(in reply to ExperimentalAviator)
       Post #: 87

RE: Great Planes PT- 17 Stearman ARF - 9/12/2005 5:02:19 AM   
ExperimentalAviator



Posts: 161
Joined: 1/31/2003
From: Tuscaloosa, AL, USA
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I mounted the 1.80 inverted like the instructions call for. I have never had a problem with running a Saito inverted.

I have a Goldberg Sukhoi ARF with the 1.80 and ran the APC 17 x 8 for over a year. Just last week I installed an APC 17 x 6, and My Oh My what a difference that change made. Much, much better for that particul