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Twin Velineon Brushless
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OldSoldier
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Twin Velineon Brushless - 07.15.2008, 11:23 PM

Quote:
Originally Posted by Topspeedtimmy View Post
1. 19/52 yields a 2.73 ratio. 20/68 is 3.4 ratio, so it's a much higher gearing. My gearing is 19/62 which is 3.3. 19/52 would be good for a 50mph speed run, may be too high for off-road running.
oops, when I said 19/52 above...that was a typo...I meant 19/62. But thanks for the ratio information above. I used to wonder how folks computed the gear and drive ratios. I can see from your numbers above that its just spur tooth count divided by pinion tooth count. Duh! Sorry, I took electronics, not mechanics. Slap me! (always wanted an excuse to use that emoticon).

So I ended up going the hobby shop and getting a 62 tooth spur and used a 20 tooth pinion.... She was out of control! I don't have a speed gun, but my wheels were complete saucers and I had almost no weight on the front wheels for steering! It was a blast! 150 degrees on the motor 147 on the ESC.

I'll make the wiring modifications tomorrow if I can. Thanks for the tip...something in the back of my mind was telling me I should have done it different...that's why I asked. What you said makes perfect electronics sense.


OldSoldier - Maryland
E-Maxx FLM chassis/combo-bulks, 10XL, Quark 125, 4-6s
E-Revo 6s MMM Medusa 80mm 2200KV 61.7MPH!
   
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