1 2 9x10 July 8, 2019 16 32 64 128 1 2 9 x 10 1 2 x 9x10 1 2 x 10.5 x 9 2 1 5 x 9 10 9 1 2 x 10 prop 1 2 3 x 9 10 9 1 2 x 10 propeller 1+9= 10 1 9 x 2
