Have a couple of planes and no hadar gun--Would like to know the speed range they are in--A Predator with a FX-46 with a mouse can muffler turnning a 10X6 prop and a Diamond Dust with a TT Pro reg ular muffler turnning a 10X6 prop? Any answers will be appreciated--Oodles
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Edit: Changed post title from sprrd to speed. Dave.
