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Old 05-26-2006, 08:21 AM   #31
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you can get Sphere ESC which have 3 modes.

1- sportsman ( I use it for drifting in tight places)

2- low grip ( Drifting in big places + practicing )

3- modified ( Real racing) very fast !!

All with 3 star NEO motor
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Old 05-26-2006, 11:14 AM   #32
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Originally Posted by caveman
We were talking about 1/10 nitro and electric touring car, people. Not drag car or land speed record, anyway, those cars use 18-30 cells, are you going to throw 18 cells in your 1/10 touring with 6cell 7.2v you just can't beat a well tune mod nitro car with 2 speed in the main straight, that's it.
I thought you were talking about a 1/8... they're fast, the 1/10 you can take with an electric tourer!!!
I saw a 1/10 pancar setting a record lap (WAaaay faster than 1/10 and about the same laptime as 1/8) with only a 12T motor and Sanyo 2000's back in the days.
Now I know for sure, you never saw a decent pancar fly on the circuit...
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Old 05-26-2006, 12:14 PM   #33
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Originally Posted by caveman
... with 6cell 7.2v you just can't beat a well tune mod nitro car with 2 speed in the main straight, that's it.
Two things: First this argument is a bit silly. You can run both types of car if you really want. They both have their advantages and down sides.

Second, caveman has a good point about power and 7.2v systems. At 7.2 volts you can't get that much power for any kind of sane amp draw - At 100A, which is the highest I've heard of for NiMh cells, you only get 720W from the batteries, or 576W at 80% motor efficiency. That's 0.77hp (746W/ Hp), nitro motor's have a higher peak power than that . However, the electric has a wider power band and is a bit lighter.
Also if you increase the voltage to say 4c Lipo, 14.8v, and have slightly less amp draw, say 80A you get 1,184W or 947.2W @ 80%, 1.27Hp. Which given the broader power band and lighter mass should be pretty close to a very fast nitro car.

My 80A figure comes from 20C off a 4000mAh 4c lipo pack that weights about the same as a 6 cell 3300 pack.
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