Rover 5 Encoder and Motor Specifications:
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Motor speed: 8,500RPM @ 7.2V
Motor stall current: 2.5A
Output shaft stall torque: 10Kg/cm
Gearbox ratio: 86.8:1
4.166:1 motor -> encoder
20.833:1 encoder -> wheel (two gears: 4.166:1 & 5:1)
Encoder type: Quadrature, hall effect magnetic
Encoder resolution: 166.66 state changes per wheel rotation
Encoder Speed: 272 state changes/sec at 8,500RPM
Drive Wheel Rotational Speed: 1.632 rev/sec @ 7.2V
Drive Wheel Circumference = 7.5" roughly (7.4 - 7.8 )
Rover 5 Speed: roughly 12"/sec.
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