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Old Jul 23, 2012, 09:22 AM
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North Simcoe Flyers
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Midland, Ontario, Canada
Joined May 2007
862 Posts
Originally Posted by pablojaime View Post
Hi Bunkai, According to the OS55AX Manual, you will need a minimum Prop of 12X7, but I'm not sure if gonna give you enough clearance from the ground with the original landing gear, I fly with Rossi 45 (has the same power as the OS55AX) and 10X7 or 11X6 and goes great, now I'm flying with 10X7X3.
In any case for engine break-in I recommend you to do it with a small prop and low pitch (with the Rossi, I used 10X4)

A 12x7 will likely be too much prop for that engine. I would start with a 10x7 or 10x6 then move up as required to get into the "sweet" spot for your engine after it has some run time on it.
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