FingerTech "Silver Spark" 16mm Gearmotor 33:1 Shaft Length:Short 4V lipoly battery used for

4V lipoly battery used for the Viper kit works great

Length (Motor/Gearbox): 41

Replacement teeth also available - Click Here :)

Beetle (3lb) Robots looking to save weight and add voltage

Total height: 50

FingerTech "Silver Spark" 16mm Gearmotor 33:1 Shaft Length:Short 4V lipoly battery used forSilver Sparks are the go to motor for Antweight robots. Extra long 3mm shaft for mounting wheels directly with the option to use a bearing block for support on the wheel's far side. 11mm face mount pattern. All metal spur gearhead mated to a Mabuchi FK 050 motor. 8 different gear ratios for a wide range of rpm and torque to choose from. Weights from 28 32grams (0. 99 1. 13oz). (see details) These motors make it super simple to get a robot moving! Just