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Old 04-15-2007, 12:26 PM
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sescallier sescallier is offline
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Found this on another forum.



4200/4.2 Kv:
3 cell Lipo = 32mph
2 cell lipo or 8 cells = 25mph
6 cells = 17mph
The best choice of the serious racer. Very flexible via gearing for 2 or 3 cell Lipo packs for track use. Very long runtimes for bashing/practicing on 6 cell packs - not particularly fast on 6 cells, but a TON of torque, and lots of fun. 3 cell Lipo runs are still MUCH faster than any brushed motor option out there, and longer runtimes as well, due to the increased efficiency.

5400/5.4 Kv:
Stock gearing Mini-T
3 cell Lipo = 40mph
2 cell Lipo or 8 cells = 33mph
6 cells = 20mph
A very good 6 cell or 7 cell racing set-up with long runtimes, and also the best racing set-up for running 2 cell lipos. The most versatile of all the combos for both racing, and insane speed runs with a 3cell Lipo pack.

6800/6.8 Kv:
Stock gearing Mini-T
3 cell Lipo = 50mph
2 cell Lipo, or 8 cells = 40mph
6 cells = 27mph
Most likely, the best 6 cell all-purpose racing setup. Good runtimes and speed. A little hot for racing w/more than 6 cells, but still VERY capable of ridiculous bashing speed runs on 8 cells, or 3s Lipos.

8000/8.0 Kv
3 cell lipo pack = 60mph
With a 2 cell lipo pack, or 8 cells = 48mph
6 cells = 32mph
Basically, this motor is almost unuseable for actual racing, unless you've got a really big oval track, or will ONLY use 6 cells or less! Also - drivetrain parts at these speeds most likely will have a reduced life span - stock up on diff sets!
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