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Old 10-17-2006, 07:17 PM   #1
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Join Date: Sep 2005
Location: Minneapolis/St. Paul, Minnesota, USA
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Quote:
Originally Posted by insite
cars are drag-limited at a given power output. terminal velocity is reached when the power required to overcome drag for a given vehicle equals the maximum power output of the motor. for a vehicle of a given frontal area and cd, increasing the power output will increase the top speed capability.







agreed. pecivil's point, however, is still valid for track scenarios. a higher HP car will see higher average speeds around a track (given equal chassis). accordingly, the kinetic energy the brakes will have to shed increases. this will increase heat. as a brake system essentially changes kinetic energy to thermal energy, the job of a brake rotor is to get rid of that heat, hence the larger system. on the road, this makes almost no difference. on the track, it makes a LOT of difference.
Hi,

No disagreement here...

Happy Motoring!... Jim'99
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