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HelicopterEngines Plugs Mufflers Fuel › TT36 and TT39 ?
03-16-2003 09:59 PM  14 years agoPost 1
chriscry

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S.E. Massachusetts

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I started my TT36 yesterday to let it run and it ran just fine(I think), but today I went to start it and the starting coupling striped. I replaced the 2 set screws with new ones I had and it did it again so I took the engine out and tried to turn it by hand. I could turn it but it was really hard to do. So Im thinking something happened to it yesterday but I only let it idle for a little while and it didnt even leave the ground. Now I want to get a TT39 but do I need any different components like clutch, bearing, pipe, coupler etc. or will everything fit onto a TT39?

thanks, chris

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03-16-2003 10:20 PM  14 years agoPost 2
chriscry

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S.E. Massachusetts

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I forgot to ask if there is anyway to bench test my TT36 without it being in the heli?

chris

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03-17-2003 12:17 AM  14 years agoPost 3
chriscry

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S.E. Massachusetts

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I hate to bump so soon but Im waiting to place an order with Heli-Proz.

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03-17-2003 01:26 AM  14 years agoPost 4
B.Waitkus

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MassWeed

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hey

the TT.39 will work fine, u don't need anything. make sure your careful when you break it in and I heard the needles are VERY sensitive.

Goodluck

Just Fly It

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03-17-2003 04:33 AM  14 years agoPost 5
Mr_Magoo

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Nevada

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Your TT36 may be just fine. A new ABC engine can be stiff to turn over by hand. ABC motors have very tight tolerances. Look in the exhaust port to see if the side of the piston is scuffed to determine if it is ruined. If you can find some experienced help, it is definitely worth it (if just for one day).

Otherwise, a TT39 is a bolt-in replacement.

Magoo

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03-17-2003 04:35 AM  14 years agoPost 6
chriscry

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S.E. Massachusetts

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Thanks, that will save a few $.
chris

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03-18-2003 12:04 PM  14 years agoPost 7
GadgetsrrApprentice - South Africa - My Posts: All  Forum  Topic

Bench run

Bench run with a 9x6 prop, I put 2 liters through mine first.

Also think about a hydro-lock, where too much feul entered the chamber, that would lock the whole thing down, and U wont be able to turn it.

Be careful, this can lead to crank shaft brakeage.

If this happens, just take out the plug and pinch the fuel line.





I see plank flyers!!!

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