Rocket 4074 brushless motor. Special while supplies last, includes water Jacket with Motor Purchase! Rocket motors are a great motor for a budget-conscious boater. 40mm Diameter by 74mm Long Brushless Motor. Hand wound for high efficiency of up to 90%. Comes with high-quality bearings and neodymium magnets for high power. Includes endbells that are assembled with screws for both strength and ease of maintenance. What makes our Rocket motors different than the competition? - Preinstalled 6.0mm bullet connectors for high efficiency & plug-and-play use with popular boat esc's. - High-flow water jackets in the color of your choice. - We stock these in the USA for quick delivery and no need to return them to China if there is a problem. - And most importantly, the pre-sale help and after-sale service from OSE. We offer this in three Kv options. 1700 Kv/rpm per volt 2000 Kv/rpm per volt 2250 Kv/rpm per volt Specs: Magnets: neodymium Watts: 1300 with 2800 Burst. Poles: 4 Motor Shaft: 5mm with a flat spot Can Measures: 40mm diameter x 74mm long Weight: 355 Grams Mounting screw diameter required: 3mm Mounting Holes 25mm apart for use with most 540 mounts. Includes OSE 6.0mm male bullet plugs soldered to the motor for plug-and-play use with many popular ESC models. OSE Suggests 20,000-35,000 total rpm for boats. We suggest most Fast Electric Boaters should run in the 25,000RPM range for sport boating or the 30,000RPM Range for racing. These are only guidelines, we suggest if you don't know how to pick the correct motor, please consult us first or other members of the RC Fast electric boating community, either at a local club or on our OSE Forums.
