Noobie to Brushless, need little help/advice!

[mudrunner4ever]

this is wat i came up with,
Vehicle Weight (approx): 15
Desired top speed in MPH: 50
Differential Ratio: 2.8461538461538463
Transmission Ratio: 2.769230769230769
Additional Ratio: 1
Spur Tooth Count: 64
Pinion Tooth Count: 20
Battery Voltage: 7.2
Tire Diameter (inches): 5.75
Total Ratio: 25.2213 : 1
Tire Circumference: 18.064 inches (458.83 mm)
Required Motor RPM: 73719.725 RPM
Required Motor KV: 10238.851 RPM/V
Good Motor Choices: No motors of this class fit the parameters you entered.
Better Motor Choices: No motors of this class fit the parameters you entered.
Best Motor Choices: No motors of this class fit the parameters you entered.



this is a rough guess. being that i dont now the weight of the vechile, top speed, what transmission gear(1st or 2nd), Spur and Pinion tooth and what tire size ill be running.