SCORPION RR-3420 17.5T - Roar Approved

Scorpion RR-3420 17.5T - Mot-17.5T-RR - Roar Approved Scorpion Power Systems RR-3420 series Brushless DC car motor. These motors are designed to meet and comply with all standards set forth by ROAR for use in 1/10th and 1/12th scale electric powered RC racing cars. Scorpion motors are designed from the ground up to meet the demanding needs of racing enthusiasts, and are built with efficient, high-temperature components that allow them to produce the maximum power and speed that is possible. Years of research and development by top engineers and hands on testing by professional drivers has allowed us to make the RR-3420 series the best motors available on the market today! - Patented Screw-type rotor surface to increase flux density and maximize cooling - Built-in Cooling Fan on the rotor to increase airflow and decrease internal temperatures - No plastic inserts are used to achieve maximum copper fill for the motor windings - Rotor magnets are protected by a metal sleeve for maximum d