Subject	the relationship between power and drag is not linear.
Posted by	robo (sebring1970) on November 29, 2007 at 1:42 PM
	This message has been viewed 85 times.
In Reply To	Those with physics/racing background how much posted by AZHeat on November 29, 2007 at 01:01 PM
Message	the power needed to overcome drag varies as the cube of velocity
Follow Ups	Those with physics/racing background how much - AZHeat 13:01:36 11/29/07 I read in some old motor trend... - CameronSF 13:04:10 11/29/07 * mid 90's corvette that is... (n/m) - CameronSF 14:06:01 11/29/07 You also have to consider frontal area, then assume - Scotts94z32 13:30:33 11/29/07 I would think open wheel F1 cars would have more - AZHeat 13:42:34 11/29/07 Don't you think that if that was true, - ZJeweler 13:45:52 11/29/07 I heard that NASCAR cars - AZHeat 13:55:43 11/29/07 F1 cars are not capable of 200mph - ZCulture 14:08:54 11/29/07 sure they are (n/m) - Guapo 14:16:31 11/29/07 I stand corrected. - ZCulture 14:22:13 11/29/07 Yes, and their top speed is goverened by the particular - Guapo 14:31:54 11/29/07 Makes sense and I guess that's where the confusion came from (n/m) - ZCulture 14:36:32 11/29/07 BTW, last year Honda F1 went out to Bonnevile with a - Guapo 14:42:05 11/29/07 had they used Villeneuve to drive - ZEngineer 15:11:33 11/29/07 say what you will, but he's still better than any of us. (n/m) - scoTTinald (BC) 15:27:56 11/29/07 agreed but we are not paid to drive... (n/m) - Max865(ATL) 21:26:47 11/29/07 What about his singing? - ZJeweler 15:28:36 11/29/07 The rotating tire creates its own drag - TriniTT 14:06:07 11/29/07 The intense downforce those cars create - BlackholeZ 14:08:05 11/29/07 plus the front wing deflects air over the tire don't forget (n/m) - LJZTT 17:34:00 11/29/07 I found this little gem of an equation as well: - Scotts94z32 13:51:54 11/29/07 Then Octavian could go 240mph :) (n/m) - CaliguyPurdue (redesigning) 14:00:39 11/29/07 So just to bounce an idea - Broke_as_**** 15:31:16 11/29/07 High End Torque is the important thing - Keaner 13:31:22 11/29/07 Isn't high end torque essentially horsepower? (n/m) - TriniTT 14:06:42 11/29/07 Given that the hp formula is tq x rpm / 5250, yes - pacmanpth 14:21:28 11/29/07 5252, if you work it out =) (n/m) - PennStateZ 15:00:13 11/29/07 Not really, most cars don't have highest Horsepower - Keaner 16:05:44 11/29/07 You are aware of the relationship between hp and tq, right? - PennStateZ 23:23:52 11/29/07 Power is torque by distance over time. Or Torque dotted with - turtleboy 02:06:39 11/30/07 the relationship between power and drag is not linear. - robo (sebring1970) 13:42:46 11/29/07 Ding (n/m) - Scotts94z32 13:52:38 11/29/07 as per the formula you posted above. I am driving myself - robo (sebring1970) 14:03:30 11/29/07 Lol...yeah, don't use acid on SS - He wouldn't like it :-) (n/m) - Hawkin"Z" 14:27:09 11/29/07 I was thinking the same thing when I read that ;~) (n/m) - Barry'z (NJ) 14:40:03 11/29/07 True but the relationship is quadratic, I believe. (n/m) - ZCulture 14:23:58 11/29/07 cubed, not quadratic. my brain is tired. (n/m) - robo (sebring1970) 14:28:32 11/29/07 Sorry misunderstood. - ZCulture 14:34:01 11/29/07 Top Gear road tests the Veyron & discusses this... - BruPo 14:25:10 11/29/07 You beat me to it! - Hawkin"Z" 14:29:58 11/29/07 and my rough calculation indicates they would need - Scotts94z32 15:24:41 11/29/07 ^Nerd.^ (n/m) - ZJeweler 15:30:00 11/29/07 766 more or total? - zboost(NoVA) 15:43:28 11/29/07 Only the power to the wheels is available to overcome - CaliguyPurdue (redesigning) 16:34:22 11/29/07 that video was amazing.. I always love his show! (n/m) - Carlos Ramirez 14:57:18 11/29/07
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