4 3 * 175 July 8, 2019 16 32 64 128 3 4 of 1750 3 4 hp 1750 rpm electric motor 3 4 175g 3 4 hp 1750 rpm motor 3 4 x 175 3 4 of 17500 3/4 of 175 grams 3 175x 4 − 6x 175x 2 3 4 di 175