We now have a new returns procedure
You can now view and track your returns
Click here Return / Warrants for more info
(Kv x V x .9 x P) / Mg = head speed
Kv = Kv rating of motor
V = battery voltage
.9 = 90% efficiency
P = Pinion Gear
Mg = Main Gear
Example: for a T-Rex 600 electric
Kv = 1600
V = 22.2
.9 = 90% efficiency
P = 12
Mg = 170
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