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jhautz
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Join Date: Apr 2006
Location: Chicago, IL
07.07.2006, 12:45 PM

Quote:
Originally Posted by Procharged5.0
The one area no one talks about is drivetrain rpm. I've talked with several people who ran high rpm brushless in their touring cars and off-road buggies only to find out that they regularly "blow up" with the high rpm usage! Highly modified brushed motors hit peak power around 15,000 - 17,000 rpm and probably wont spin past 27,000 - 30,000 rpm so looking at a brushless rig that can spin more than double logically sounds like trouble! Not to get to technical but the drivetrain vibration/harmonics of that kind of rpm without careful attention to balance and assembly tolerances, not to mention bearing speed ratings would be a problem. I don't doubt they come apart. Most everything mechanical has limits. You wouldn't take that new Z06 Corvette you bought and rev it up to 12,000 rpm and expect it to live would you? How can you expect an rc car to handle 2-3 times the rpm the engineers could have anticipated!

Sorry for the long winded post, but think about it..............
Thats how all of the aftermarket companies stay in business. If that wasn't the case companies like UE, Robinson racing, MIP wouldn't be in business. Seems to me that this is what a large part of the forum is discussing... Upgrades to the rest of the model to handle the brushless power.


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