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Old Nov 19, 2010, 08:52 AM
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Malaysia, Johor, Pasir Gudang
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Help!
Propeller size for asp S61AII 2 stroke

hi,
i have ASP ENGINE S61AII 2 stroke for midget mustang 60 size,for your experience what propeller size for this engine follow the spec only 11*6..maybe this size no more power.....anybody can help me....and thank you..
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Old Nov 19, 2010, 10:03 AM
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ivanc's Avatar
United States, TX, Round Rock
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The typical prop size for a 61 2-stroke is 12x6. 11x6 is too small for a 60-size plane.

Ivan
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Old Nov 19, 2010, 10:41 AM
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The older 60 engines used 11x7 and 11x8 and 12x6 props. The newer crop of 60 engines tend to like 12x6, 12x7, 13x6 size props or larger even. it depends on the brand engine and its design though.
The ASP 61A engine suggested prop sizes are 12x6 through 13x6. But for more speed, if the drag on the plane is low a 11x8 might do the trick or even a 11x9 maybe.
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Old Nov 30, 2010, 07:43 AM
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thank for your information.....
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Old Nov 30, 2010, 09:11 AM
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Its a warbird, I'd opt for 12x6 minimum and aim to get up to 13x6.
Also try a 12x7 three blade prop.
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Old Dec 01, 2010, 08:15 AM
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Malaysia, Johor, Pasir Gudang
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Thank you...i try 12 X 7 three blade how about 12X 6 three blade....in malaysia only this size....
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Old Dec 01, 2010, 02:28 PM
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Give it a try. The 12x6 three blade ought to work OK. Hard to say without giving it a run on your plane.
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Old Dec 03, 2010, 08:57 AM
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Malaysia, Johor, Pasir Gudang
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ok tq...friend,i try this propeller.....maybe this sunday 05/12/2010 morning i first fly midget mustang 60 size.....i hope u can coming malaysia for fun fly....and my member in malaysia
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Old Dec 03, 2010, 09:31 AM
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Old Dec 19, 2010, 02:32 AM
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I used a 12x5 bolly on my asp 61 with great results ,good idle and great acceleration.I usually play around with different pitch and diameters until the engine is happy and the model flies well
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