gms .47 is turning a mas 10x7 at 14700 peaked and 14500 constant. it has about 4 gallons through it.
magnum .52 is turning the same prop 14600 peaked and 13600 constant its first tank (keeping it rich)
magnum .91 fs is turning 11000 constant on a zinger 14x6 w/ 1 gallon through it

wildcat, 10% nitro, 18% oil w/ castor on all engines