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Old Jan 02, 2012, 06:03 PM
Registered User
United States, TN, Loudon
Joined Nov 2008
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OS FS 70 Surpass II Best Prop

Can anyone share their experience with the best prop size for the OS FS 70 Surpass II. The book indicates props in the 12-6 to 12-8 for stunt planes but this seems small to me. The motor is on a Revolver 46 to 55 with a 59in span and weight of 7lbs.
Appreciate any help
Bill
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Old Jan 02, 2012, 08:05 PM
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Joined Oct 2004
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Quote:
Originally Posted by bill24orange View Post
Can anyone share their experience with the best prop size for the OS FS 70 Surpass II. The book indicates props in the 12-6 to 12-8 for stunt planes but this seems small to me. The motor is on a Revolver 46 to 55 with a 59in span and weight of 7lbs.
Appreciate any help
Bill
The engine is quite torquey and forgiving with different prop sizes. I've used 12 x 8 and 13 x 8 Master Airscrew props with great results on a Goldberg Cub on floats.
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Old Jan 02, 2012, 10:28 PM
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United States, LA, New Orleans
Joined Sep 2011
650 Posts
Mine likes a 13x6
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