This Brushless Inrunner is what we use in the 3LB Beater Bar Electronics. Its size and power make it ideal for beetleweight robot weapons (and aggressively ambitious for antweight weapons!)
With an inrunner, you don't have to worry about wires getting caught by a spinning outer can.
Specifications:
KV: 2970rpm/V
RPM @ 2S: 21,978rpm
RPM @ 3S: 32,967rpm
RPM@ 4S: 43,956rpm
Max Voltage: 14.8V (2S-4S)
Max Watts: 300W
Max Resistance: 0.0500Ω
Weight: 98.71g (3.48oz)
Motor Diameter: 28mm (1.10in)
Motor Length: 38mm (1.49in). 50mm (2.16in) to end of heat shrink.
Wire Length: 56mm (2.2in) (measured from end of heat shrink to bullet connector)
Mounting Holes: two M2.5 spaced 16mm (0.63in), two M3.0 spaced 19mm (0.75in)
*Do not use screws that protrude more than 4.7mm (0.18in) into the mounting face.
Shaft Diameter: 3.17mm (0.125in)
Shaft Length: 12.7mm (0.5in)
Can Size: 380
Plug Type: 3.5mm Bullet-connectors (includes mating connectors for soldering on ESC)
Wiring: Connect the three ESC wires any way you like. If the motor is spinning backwards, swap any two wires.
