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Search took 0.01 seconds. Search: Posts Made By: omgwtfbyobbq
Forum: Aerodynamics 02-16-2007, 04:26 AM
Replies: 17
Views: 6,841
Posted By omgwtfbyobbq
Sure you can! Peak torque is ~124ft/lbs@2200rpm,...

Sure you can! Peak torque is ~124ft/lbs@2200rpm, and at peak power it's making ~115ft/lbs, so imo it's a safe bet that the power curve of an NA gas engine between those two points in the rpm range is...
Forum: Aerodynamics 02-15-2007, 03:21 PM
Replies: 17
Views: 6,841
Posted By omgwtfbyobbq
The thing with pickups, especially small ones, is...

The thing with pickups, especially small ones, is that they tend to have lots of reference area (~30ft^2), drag (~.45), but not so much weight, so if an EV driver wants to extend high speed range in...
Forum: Aerodynamics 02-15-2007, 02:49 PM
Replies: 17
Views: 6,841
Posted By omgwtfbyobbq
Any idea on drive train losses? The car seems to...

Any idea on drive train losses? The car seems to have a pretty flat torque curve, so power at 4400rpm would be proportional to power at 2200rpm, hopefully. Acceleration is a bit of a PITA, because...
Forum: Aerodynamics 02-15-2007, 02:13 PM
Replies: 17
Views: 6,841
Posted By omgwtfbyobbq
Lesse, with a Crr=.01, a stray force of 100N,...

Lesse, with a Crr=.01, a stray force of 100N, peak horsepower at 5,000rpm, at sea level, and that gearing on 195-50-15 tires/rims, the car would need ~119hp to wind out the top gear at ~117mph. So...
Forum: Aerodynamics 02-15-2007, 01:38 PM
Replies: 17
Views: 6,841
Posted By omgwtfbyobbq
Off the top of my head, we also need gearing, a...

Off the top of my head, we also need gearing, a power/torque curve, and shift times to determine acceleration and top speed.
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