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Author Topic: Cessna 150 Stunter  (Read 6788 times)

Offline John Harold

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Cessna 150 Stunter
« on: October 04, 2008, 04:38:07 PM »
I've never built a high wing stunter before and I like the look of the full size C150, so I decided to try building a semi scale model version. 36" span, OS.15FP will be mounted inverted. Coming along O.K., making the tank and moulded P.E.T. cowling soon. Anyone else tried high winged stunt models?.......John
« Last Edit: November 02, 2008, 09:49:37 PM by vauxhall »

Offline Clint Ormosen

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Re: Cessna 150 Stunter
« Reply #1 on: October 04, 2008, 05:38:06 PM »
Way Cool! I've wanted to build a .40 size semi scale 150 Aerobat for a while. Just one of those projects I havent gotten too yet. Glad someone tried it out. I'm very interested in your project and would like to know how it flies. Check this thread I started some time ago.

http://stunthanger.com/smf/index.php?topic=4439.0

Is yours a total scratch build, or did you borrow the wing from something else? What plans (if any) did you use?
-Clint-

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Offline John Harold

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Re: Cessna 150 Stunter
« Reply #2 on: October 04, 2008, 06:11:39 PM »
Hello Clint, I've also been a long time C150 fan, since I had some dual instruction in the type back in the 1970's. My "plan" started out with an old Guillow's rubber powered C150 24" span plan, scaled up 50% in sections  on the computer to 36" span and tile printed with MS Paint. This gave me the former patterns and general outline. The fuse. has 1/8" sheet sides and 1/8" planking top and bottom. As you can see the wing is constant chord, not to the scale Cessna outline. I simplified things by not using wing flaps. My 36" SIG Akromaster flies very well without them.
I read your thread, very interesting. I want a model that's instantly recognizable as a C150.
I'll post some more pics. as the model heads towards completion.
« Last Edit: November 02, 2008, 09:52:25 PM by vauxhall »

Offline Clint Ormosen

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Re: Cessna 150 Stunter
« Reply #3 on: October 04, 2008, 06:21:03 PM »
Hmm... We must think alike. I have the same Guillow plan and plan to do the same thing except maybe scale it up a little larger. I want a .40-.46 sized model. Keep us informed.
« Last Edit: October 04, 2008, 07:53:59 PM by Clint Ormosen »
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Offline John Harold

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Re: Cessna 150 Stunter
« Reply #4 on: October 04, 2008, 06:30:32 PM »
If you took your plan to a print shop, they will scale it up to any size you want, that would save a lot of time and it only costs a few dollars.

Offline Wynn Robins

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Re: Cessna 150 Stunter
« Reply #5 on: October 05, 2008, 02:42:27 AM »
the only high wing stunter I know of is the Hi-Boy - apparently there are a number of parameters that need to be considered when building a High wing airplane for stunr

the cessna looks cool tho - good work
In the battle of airplane versus ground, the ground is yet to lose

Offline Gordon Tarbell

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Re: Cessna 150 Stunter
« Reply #6 on: October 05, 2008, 06:22:33 AM »
Check out the box car cheif that Kim Mortimer built . I saw him fly it at Woodland, the only thing holding its performance back seemed to be a sour engine run.
Gordon Tarbell AMA 15019

Offline Trostle

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Re: Cessna 150 Stunter
« Reply #7 on: October 05, 2008, 07:57:55 AM »
Anyone else tried high winged stunt models?.......John

Bob Palmer colaborated with Ted Goyet to do the High Boy in the Aug 54 issue of Model Airplane News.  It was a "medium sized stunter with flaps with a Fox 29.

Dick Mathis had a profile Citabria in the Apr 73 issue of Flying Models.  This was a full size stunter for .29 to .40 engines, no flaps.  This was a "typical" Dick Mathis production.  Straight forward construction, looks good and by all accounts, performed very well like anything that Dick Mathis did.

Michael Garmon had a "two-in-one" plan for  high wing design in the Mar 97 issue of flying models.  The airplane had ha built up fuselage.  Could be build either to look sort of like a Cub or a Citabria.  Had flaps, "typical" moments and size for .40s.  By all accounts, it flew well.

There are more, but these are what came to mind.

Keith

Offline Bruce Hautamaki

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Re: Cessna 150 Stunter
« Reply #8 on: October 05, 2008, 09:06:52 AM »
    Nice Job! What a cool idea! Can't wait to see it done and hear how it flys. It's sharp!


         Have fun, Bruce

Offline wwwarbird

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Re: Cessna 150 Stunter
« Reply #9 on: October 05, 2008, 11:13:35 AM »
 Very interesting. As long as you can get the vertical C/G dialed in it should be a fun model. Something to consider is making your leadout guide adjustable vertically, so that you can make changes easily. Once you settle on a position, then you can replace that guide with a new, cosmetically cleaner guide. That's what I'm doing with my PBY Catalina, it's guide is adjustable front to rear, and vertically. Once I find the vertical C/G during the initial trimming process, I'll then make a new slider with only the front to rear adjustment.
 Please keep us posted on your progress. y1
Narrowly averting disaster since 1964! 

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Online James Lee

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Re: Cessna 150 Stunter
« Reply #10 on: October 07, 2008, 07:52:11 AM »
I did the Aeronca C-3 OTS model several years ago...    It had some 'issues'   Sure did look cooool though....   LL~ LL~ LL~ ~^
One of the biggest problems was that it was more like a gas free flight scale plane..    At the top of the vertical eight it wanted to weather vane into the wind, roll out and cruise away.....   rather disconcerting... ~^
I've looked at the Mathis Citrabia several times, but never got serious on that project...
Thanks
Jim

Offline John Harold

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Re: Cessna 150 Stunter
« Reply #11 on: October 09, 2008, 07:54:02 PM »
I've made a little progress on the Cessna since last week, mounted the engine, made up the tank and cowling, also put the controls and lead out guide on. Getting there....slowly. It's a little nose heavy, but, hangs from the lead outs with the wing vertical and slightly nose down. I like the look of the model so far.

Offline Michael Boucher

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Re: Cessna 150 Stunter
« Reply #12 on: October 18, 2008, 07:58:46 AM »
Nice cowling, its coming along great! #^
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Offline John Harold

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Re: Cessna 150 Stunter
« Reply #13 on: October 18, 2008, 03:22:23 PM »
Thanks,the cowling is made out of an old PET soft drink bottle molded over a carved wooden "plug". Heat gun reshapes and shrinks the plastic. Very light and strong. I make my canopies the same way. Cowling and canopy on this Spitfire are made from molded drink bottles. They also don't cost anything to make !
Sanding and filling the Cessna 150 now, should fly next weekend.
« Last Edit: October 18, 2008, 03:56:33 PM by vauxhall »

Offline FLOYD CARTER

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Re: Cessna 150 Stunter
« Reply #14 on: October 18, 2008, 05:01:11 PM »
I have a Palmer/Goyet Hi-Boy stunter, but can't find a photo right now.  It has OS 25 FPS.  Bob Palmer warned about putting leadouts in the high wing.  It makes the plane fly crooked!  A high wing stunter can be tamed by putting the leadouts outside the wing (at fuselage center line with a wing tip line guide).

Another high wing stunter is the SMALL FRY and its big brother BIG FRY, but they have lines coming out the fuselage, like the Boxcar Chief.

Floyd in OR
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Offline John Harold

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Re: Cessna 150 Stunter
« Reply #15 on: October 18, 2008, 05:18:10 PM »
Floyd, you mean like this? The model hangs from the lead outs with the wing at a 90 degree vertical angle, which, should indicate that the bellcrank position is at, or near the vertical C.G., or so I'm told.

Offline John Harold

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Re: Cessna 150 Stunter
« Reply #16 on: October 23, 2008, 10:55:34 PM »
Finished off the Cessna today, flying it tomorrow if the weathers good. Came in at 21 ounces....John

Offline Keith Spriggs

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Re: Cessna 150 Stunter
« Reply #17 on: October 23, 2008, 11:04:27 PM »
Looks great. Thanks for the pics.

Offline Clint Ormosen

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Re: Cessna 150 Stunter
« Reply #18 on: October 23, 2008, 11:11:17 PM »
Looks awesome! Don't forget to post a flight report.
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Offline John Harold

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Re: Cessna 150 Stunter
« Reply #19 on: October 25, 2008, 01:44:31 AM »
Test flew the model today, a little nose heavy and flying " nose out ", also O/B wing up a little. Added some stick on weight to the tail and things improved quite a lot. Managed some nice easy loops etc. and had 4 flights. Back on the bench now for more tip weight, less rudder and out thrust and maybe adjustable leadouts. Really looked great hanging out there on the lines, very happy with the model. A bit too heavy at 21 oz. for serious aerobatics with an FP.15 I think, but, I've got what I wanted, something quite different, a semi scale Cessna 150 sport model that'll do basic aerobatics. I like it!.........John

Offline Paul Taylor

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Re: Cessna 150 Stunter
« Reply #20 on: October 25, 2008, 06:54:50 AM »
A very nice job!!!!
Paul
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Offline john e. holliday

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Re: Cessna 150 Stunter
« Reply #21 on: October 25, 2008, 08:21:25 AM »
The pictures look great of the little plane.  At that weight it should be good.  But, you have hit the nail on the head when you state it is doing what you  wanted.   Isn't that what this hobby is all about.  Having fun,  DOC Holliday
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Offline Michael Boucher

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Re: Cessna 150 Stunter
« Reply #22 on: October 28, 2008, 09:48:57 AM »
What a nice plane!  Glad to see someone doing something outside of the box.  Really like how you finished it. #^
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Offline Bruce Hautamaki

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Re: Cessna 150 Stunter
« Reply #23 on: October 28, 2008, 01:49:46 PM »
   Wow that came out nice! I always wanted to build one. Hope you post more pictures.  Bruce

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