RCU Forums - View Single Post - RC Snowmobile Polaris Fusion 900 Build Thread
Old 01-14-2009, 07:46 PM
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ridgewalker
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Default RE: RC Snowmobile Polaris Fusion 900 Build Thread

I have taken my sled to the next level so to speak.I removed the stock tranny,and replaced it with an hpi wheely king tranny i had sitting around waiting to be used.I mounted it on the left side,it is mounted directly to the dog house.I made up a bearing holder with some scrap aluminum and poped in a 12x6 bearing(i'll check the size because i can't remember0but it is from the e-maxx steering knuckle.I ran the xl-5 esc with a peak racing 15x2 motor and the 6 cell ib4200 bat pack.I am running a 13t pinion and a 96t spur.This gives a final ratio of 7.2:1 it was able to go fast enough to stay on top of 5' of powder but it was not as fast as with the two batterys and e maxx motor.On hard packed snow it was much better but still not as fast as before.I need to fool around with the gearing i think to get it to the same speed as before with only one batery pack.I drove it for about 10 min and it was not dead or dying yet but the bat was warmer than the esc and motor(6*f outside)so i know that the 15t motor is pulling some high amps,i need to do some more experimenting to see if i can get it to run the same speed as before with only one battery pack.here are some pics
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