Ultimate Tug Of War: Triple-Screw Boat vs Three Single-Screw Boats

The Ambassador, The Illusion, & the Orca team up against the triple-screw Dolphin. Dolphin: Three MFA Como Drills 800 motors, direct driving three 55mm 5-blade brass propellers. Ambassador: One MFA Como Drills 850 motor, with 2:1 belt-drive reduction, turning a 70mm 5-blade brass propeller. Illusion: One MFA Como Drills 800 motor, direct driving one 55mm 4-blade brass propeller. Orca: One MFA Como Drills 500 motor, geared 2.5:1 turning one 45mm 4-blade brass propeller. Each boat using one 12-volt NiMH battery pack. Ambassador & Dolphin use a slightly higher current rate NiMh battery pack when compared to Illusion and Orca.