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Old 05-15-2010, 06:57 AM   #101
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Re: 58% Modellbau Pitts Build Thread - BBT


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Originally Posted by Propworn View Post
Trevor Jim is correct on the Stits Polyfiber. The Stits and Sig are both a poly type of weave and not a fabric at all. The Sig when finished will be more like the feel of Coverite flexible and pliant to the touch. The Stits when finished is tight like a drum and will not sag or loosen in direct sunlight. The final shrink is exactly what you get. The paint is vinyl paint and is impervious to gas, oil and nitro just the way it is. You can even wash it with bleach if need be. They also have a rejuvenator to bring back the luster after many years of use. I have even left my model out in a light rain for a short time at an event as there was no more room under the tent without any harm. It weighs no more than the Sig stuff and is much more durable.

You will need to read and use the full manual, I think its on line, a good thermometer and enough solvent (MEK) works best to clean up the paint gun.

If you do it in the Stits you will have a permanent finish unlike anything else. The smallest I have done is the BALSA USA Bristol MC1 at 60 inch span with a K&B .65 and it was not too heavy. http://www.stits.com/documents/crew_bristol.html

Other planes covered with the Stits are.

http://home.cogeco.ca/~denpratt/My%2...s/PT%2026.html

http://home.cogeco.ca/~denpratt/My%2...s/Aeronca.html

http://home.cogeco.ca/~denpratt/My%2.../Citabria.html

Future projects will be a 1/3 scale Sopwith Pup, 1/4 clipped wing Cub, 1/4 scale Barth Waco.

Thanks so much for all the info. The folks here on RCC are second to none - a wealth of information!

Now I love the idea of Stitts Covering!

Too bad I have to build it first! I just want to start covering it tomrrow!

Thanks again!

Trev
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Old 05-15-2010, 06:59 AM   #102
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Re: 58% Modellbau Pitts Build Thread - BBT

Oh, and I forgot to mention Propworm - you've got some real beauties there! I only hope I can get my Pitts as nice as your works of art!

Cheers

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Old 05-15-2010, 10:31 AM   #103
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Re: 58% Modellbau Pitts Build Thread - BBT

LOL.. I took the kit out to our local feild here in Montreal, AMIDAIR and looks like the President was up to no good with his new camera... thanks Claude for the pictures!! Your a funny guy!!

http://www.amidair.qc.ca/

http://www.amidair.qc.ca/Photos_Popu...evor_Pitt2.jpg

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Old 05-23-2010, 09:49 PM   #104
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Re: 58% Modellbau Pitts Build Thread - BBT

Looks like this beauty is going to be powered by some big-bore 3W metal!!!!!

I just bought a 3W 210 in the CS spec (bigger ports, red heads, balanced parts - 14% more power) with the TS option (twin spark plugs on each head)

These things are big torque monsters and it was hovering a 63lb Hemple Cub at 7/8 throttle, so the Pitts S1 at 55lbs max should be an insane missle with this powerplant.

It's also coming with headers and canisters and I'll get it on my test-stand when it arrives and get some RPM data!!!

http://www.aircraftinternational.com...0xiB2F-TS.aspx
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Old 05-23-2010, 10:42 PM   #105
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Re: 58% Modellbau Pitts Build Thread - BBT

EXCELLENT choice my man.

That's the perfect fit for your Pitts. Doesn't come any better than that.

3W 's
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Old 05-23-2010, 11:02 PM   #106
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Re: 58% Modellbau Pitts Build Thread - BBT

3W

U've gone to the DARK side.

I knew it would happen sooner or later.... must be some mind mumbo jumbo thingy from the 3DUB man himself!
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Old 05-24-2010, 06:26 AM   #107
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Re: 58% Modellbau Pitts Build Thread - BBT

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3W

U've gone to the DARK side.

I knew it would happen sooner or later.... must be some mind mumbo jumbo thingy from the 3DUB man himself!

LOL!! The dark side, eh!!!

Yes, there's been lots of mind mumbo jumbo stuff from the engine wh%re himself, but when this motor came up for sale, I just couldn't resist since they spin huge props which is what I need to get air past that monster cowl!

The prop of choice for this motor seems to be a 34x12 2-blade or a 31x12 3-blade, however the motor will come with a 33x12 CF prop that I'll do some testing on!!

Now I've got a couple DAs, a Mintor and finally a 3W Competition Series!!!!

Cheers

Trev
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Old 05-24-2010, 08:53 PM   #108
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Re: 58% Modellbau Pitts Build Thread - BBT

Hey Trev, excellent choice on the 3dub 210! I have the same one, just started breakin her in on a TOC 40% Yak. Loads of power! haven't weighed it yet, but should be around 50lbs and hovers at 1/2 throttle max!!!
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Old 05-24-2010, 09:13 PM   #109
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Re: 58% Modellbau Pitts Build Thread - BBT

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Hey Trev, excellent choice on the 3dub 210! I have the same one, just started breakin her in on a TOC 40% Yak. Loads of power! haven't weighed it yet, but should be around 50lbs and hovers at 1/2 throttle max!!!

Great to hear to have one!!! Mine should arrive near the end of this week!

OK, now lots of questions for you!!!....

** What prop are you using and do you have any static rpm data? The prop that comes with the deal is a CF 33x12 prop and I'm told that this motor likes a 34x12 or 36x10.

** What exhaust system are you running.

** What is the fuel consumption? - can I get by with a 2L pop bottle for a tank, or do I need 2.5L or 3L

My guess (based on other build threads) is that the big Pitts should come in around 55lbs, so I've really happy to hear your confirmation of what I'v head from others that this motor has loads of power!

Cheers

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Old 05-25-2010, 12:46 AM   #110
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Re: 58% Modellbau Pitts Build Thread - BBT

Yah but I thought you needed like a 400cc thing for this 58% SCALE monster? Why not the 3W 420 4 cylinder then? I thought you whet your pants for 4 cylinders? Now you are going back to lowly 2 cylinders? Wasup wit dat?
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