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Old 03-28-2013, 01:04 AM   #1
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Join Date: Mar 2013
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Default Gearing Issues PLEASE HELP

Hi Guys,

I have recently got my hands on a neglected Tamiya TB EVO V, the previous owner gave me a chassis without a motor.
I have purchased the Hobbyking X-Car Brushless Power System (11T) 3000KV/45A for the car and have completely rebuilt the car.
My question is : According to the manual that i downloaded, the car originally came standard with a 23T brushless motor, 34T pinion and 90T spur Gear - The Internal Gear ratio is 2.437. The FDR in that configuration is around 6.46, the problem is the parts for the TB Evo V are very hard to find here in SA and the only Spur Gear with the right pitch and motor mount i can find is a 72T, pinions are not an issue.
If i run the above motor with the 72T Spur and a 26T pinion i get a FDR of 6.76, will this gear ratio be fine in the above configuration and motor spec? or do you have any better suggestions? I really dont want to damage the Motor, Gears, ESC or the battery.
please can someone assist me with the above matter, it will be greatly appreciated.
Chadobird is offline   Reply With Quote

converting to brushless, gear ratio, gearing, tb evo v

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