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04:10 PM

Yup, I am not sure If I got my diff ratios right but I am going to try this setup:
Differential Ratio: 4.09
Transmission Ratio: 1
Other Ratio: 1
Spur Tooth Count: 46
Pinion Tooth Count: 11
Total Voltage: 18.5
Motor KV: 2900
Tire Diameter (inches): 5.8
Tire Ballooning (inches): 0
Motor Current Draw: 0
Motor coil Ω: 0.003
Spur/Pinion Ratio: 4.18 : 1
Total Ratio: 17.10364 : 1
Tire Circumference (inches): 18.22 inches (462.82 mm)
Total Motor Speed: 53650 RPM
Vehicle Speed: 54.12 mph (86.94 km/h)
Estimated Adjusted Speed: 50 mph (81 km/h) - 7% loss
Effective KV Value: 2900
KT constant: 0.47 oz-in/A

MGM Compro 160 amp, 18 cell brushless car controller

1521/1D 2,900 16.93 3.3 0.003 5.5 60K 1,750 watts 3,500 watts 21 volts

	(#3)
cembom Guest Posts: n/a	10.18.2008, 04:07 PM Yup, I am not sure If I got my diff ratios right but I am going to try this setup: Differential Ratio: 4.09 Transmission Ratio: 1 Other Ratio: 1 Spur Tooth Count: 46 Pinion Tooth Count: 11 Total Voltage: 18.5 Motor KV: 2900 Tire Diameter (inches): 5.8 Tire Ballooning (inches): 0 Motor Current Draw: 0 Motor coil Ω: 0.003 Spur/Pinion Ratio: 4.18 : 1 Total Ratio: 17.10364 : 1 Tire Circumference (inches): 18.22 inches (462.82 mm) Total Motor Speed: 53650 RPM Vehicle Speed: 54.12 mph (86.94 km/h) Estimated Adjusted Speed: 50 mph (81 km/h) - 7% loss Effective KV Value: 2900 KT constant: 0.47 oz-in/A MGM Compro 160 amp, 18 cell brushless car controller 1521/1D 2,900 16.93 3.3 0.003 5.5 60K 1,750 watts 3,500 watts 21 volts Last edited by cembom; 10.18.2008 at 04:10 PM.