im getting an OM26 and whats the difference between these motors offshoreelectrics 700sc and the Graupner 700BB Turbo 8.4 Volt "New Version"?Which would i benefit more from?and what size prop?I have the rchydros 6-14/90 esc to use i want to use no more than 12 cells since 14 is my limit.Or can i use 14 cells and be ok (wont burn the esc right on 14 cells)