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Gear Head Motor - 7.2vdc 50:1 175rpm (6mm shaft)
Price (USD) [ $21.95 ] Model Number [ GHM-04 ] Ship Weight [ 0.34 lbs. ]	External Motor Shaft for adding USDigital Encoder! Voltage = 7.2vdc RPM = 175 Reduction = 50:1 Stall Torque = 99.04 oz-in (7.1 kg-cm) Outside Diameter = 37mm Weight = 4.32 oz. Full Specs

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Images / Videos 640 x 480 image Motor with USDigital encoder installed 640 x 480 image External Motor Shaft for Encoder 640 x 480 image Robot motor 320 x 240 image Mounting diagram

Assembly Guides Assembly Guide for attaching QME-01 Encoder to a motor

Specifications Weight = 4.22 oz (119.63 g) Reduction = 50:1 Stall Torque = 99.04 oz-in (7.13 kg-cm) Length (motor and gear) = 1.72" (4.37 cm) Length (shaft only) = 0.89" (2.26 cm) Diameter (motor and gear) = 1.45" (3.68 cm) Diameter (shaft) = 6mm Outside Diameter = 37mm Current (at 7.2v no load) = 200mA Current (at 7.2v locked shaft) = 3.80A

Information Approximate Vehicle Speed by Wheel Diameter 5.00" diameter wheel = 43.2" per Second 3.50" diameter wheel = 30.2" per Second 2.88" diameter wheel = 24.9" per Second 2.50" diameter wheel = 21.6" per Second 2.13" diameter wheel = 18.4" per Second