I have an OS .32SX on a Gremlin. I just got the following numbers. They seem kinda off but tell me what ya think,.... OK,.... its appx 35degrees outside and I got the following results: APC 9x6 15,600 , APC 8x6 19,500 , I am using a mouse can muffler, and Power master 15% fuel. It just seemed strange that the RPM's varied so much and seemed like the RPM's were a little higher than expected. I checked my tach and all was well,..... I even rechecked other planes and they all tached the normal rpm. Also,... what would be the best prop for all out top speed.


Thanks,
FUZZ