Right prop size for break in (ASP .91 2-stroke) - RC Groups
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Dec 11, 2011, 02:52 PM
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Right prop size for break in (ASP .91 2-stroke)

Hi All;
I'm putting in a ASP 91 2-stroke in the Great Planes Revolver 70. The engine comes with no manual, so I was wondering what is the proper break in prop. The only thing I have found so far is at Hobbypartz, which says the engine prefers a 12 x 6 but for what? Any help would be greatly appreciated. Thanks
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Dec 11, 2011, 04:52 PM
Registered User
Go to the top of the topics and pull down the engine manual file. You will find a Magnum address for Glorbal Hobbies (aka Hobby People). The Magnum is essentially the same engine as the ASP. It will give you all the info you initially need to get your engine going.

Good luck,

Dec 11, 2011, 06:53 PM
A 13x6 prop will do, not too much nor too little a load. Just Follow Chip01's advice, get the manual and it should be just fine
Dec 12, 2011, 07:17 PM
Registered User
Thanks Chip01, found the manual . It says 14 x 6 for break in

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