Have no clue how it´s going to end up

A blob of shredded plastic?DennisM wrote:I´m in the middle of making a new gear set, mainly from Tamiya gears.
Have no clue how it´s going to end up
Excellent idea! Add to that some slots drilled in the motor plate to allow adjustable motor mounting, then you don't have to find the perfect-length belt.Phin wrote:Two words: Belt Drive.
Since it's only two gears in the trans case you won't have to flip anything around to get the wheels spinning in the right direction. Just need a couple of relatively inexpensive 3racing pulleys for the pinion and main shaft and the right length belt.
It helps that the internal transmission ratio on the Scorpion is 2.8:1. I believe the V-One pulley Dennis is using is 32T, and a pulley for the motor can be found as low as 10t or 11t, so the belt setup should handle gearing for a stock brushed motor.ron wrote:...
What is the pulley ratio on your setup? You know with the stock setup, the trany had 3 gear reduction in sequence, 2 outside the gearbox and one inside to achieve that speed at the wheels. With the pulley setup, won't the motor be putting out a lot of rpm on the wheels and getting pretty hot doing so? I am not trying to be a smart ass here, just asking if you don't mind.
Love the pulley with the belt, you have made a scale-looking scorpion more real with the belt drive, man that is just real. I am so doing that too. I think you can employ chain drive too, for that wicked look, but won't be as smooth as belt drive.
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