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03.08.2009, 05:09 PM
In my calculation it is different, on 17/46 :
Differential Ratio: 3.3076923076923075
Transmission Ratio: 1
Other Ratio: 1
Spur Tooth Count: 46
Pinion Tooth Count: 17
Total Voltage: 14.8
Motor KV: 2000
Tire Diameter (inches): 4.5
Tire Ballooning (inches): 0
Motor Current Draw: 0
Motor coil Ω: 0.006
Spur/Pinion Ratio: 2.71 : 1
Total Ratio: 8.95023 : 1
Tire Circumference (inches): 14.14 inches (359.08 mm)
Total Motor Speed: 29600 RPM
Vehicle Speed: 44.27 mph (71.12 km/h)
Effective KV Value: 2000
on 19t: 49.48 mph, on 15t: 39.07 mph and on 13t: 33.86 mph
Regards
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