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Stan Back
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« on: April 06, 2010, 05:56:28 PM » |
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What's the formula(s) for when you can go 160 on 500 HP, how fast you can go with 600 and/or if you need to go 180, how much increased HP you need.
You know -- the square of the increase(?) is half the angle of the dangle or whatever?
Help!!!
Simple Stan
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racer x
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Dark Horse Racing 10-B
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« Reply #1 on: April 06, 2010, 06:19:04 PM » |
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I found this one http://robrobinette.com/top_speed.htm170.025mph on 600hp need 715 hp to get 180mph |
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« Last Edit: April 06, 2010, 06:21:59 PM by racer x »
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Thank you to all the volunteers
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sabat
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« Reply #2 on: April 06, 2010, 06:33:05 PM » |
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ECTA, LTA, Texas, and Bonneville 200 clubs
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Stan Back
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« Reply #3 on: April 06, 2010, 06:41:31 PM » |
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The Robinette one gave some unbelievable figures -- and as usual I couldn't access Sumner's spreadsheets. I guess I'll have to depend on the Shearers for the best answer.
Stan
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Cajun Kid
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Venable Rod's & Racing #805 Studebaker, #806 Ford
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« Reply #4 on: April 06, 2010, 06:43:47 PM » |
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Stan,
Just mash the gas pedal and hang on.....I am sure you have all the power you need.
Charles
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ECTA Record Holder Maxton E/CBFALT, E/CBGALT, E/CGALT, E/CFALT, A/CGALT, C/CGALT, D/CGALT, C/CBGALT, B/CBGALT, C/CFALT OHIO C/CGALT LTA Record Holder A/CBFALT, B/CBFALT, C/CBFALT, C/CFALT, E/CGALT, E/CFALT Fastest Standing Mile at Ohio 195.51mph Fastest Standing Mile at Maxton 191.006mph Fastest Standing 1.5 Mile at Loring 188.31mph http://s261.photobucket.com/albums/ii43/cajunkid5690/Blog www.venablerodsandracing.comemail venableracing@gmail.com |
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racer x
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Dark Horse Racing 10-B
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« Reply #5 on: April 06, 2010, 07:08:04 PM » |
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I think it goes... all the power you can afford dose not go as fast as you want.
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desotoman
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Temple's "Got'Cha"
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« Reply #6 on: April 06, 2010, 09:31:43 PM » |
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Stan,
Send me the numbers and I will crunch them for you.
Tom G.
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"Got'Cha" was first run in 1974. Bill Temple entered both 2 clubs in 1976 with records in AA/BGR. At El Mirage 201.79 and Bonneville at 220.
In 1977 Greg Temple started driving "Got'Cha" and entered the El Mirage Dirty 2 club in 1979 @ 201.97. Greg went on to set two records at Bonneville, one in 1981 at 241.848, then in 1991 he set another record at 262.230
Bill and Greg were the first father and son to enter the El Mirage Dirty 2 club. They broke the D/BFR at Bonneville in 1981 @ 241 with top speed of 249. This record still stands today. In 1991 they set the A/BFR @ 262 which was later broke by Duane McKinney.
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Milwaukee Midget
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Maximum Cram
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« Reply #7 on: April 06, 2010, 10:58:18 PM » |
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I think it goes... all the power you can afford dose not go as fast as you want.
Here's the formula - it's corollary is based on boat ownership - ($ x APR) + 5W = S x .99, where $=$ APR = variable 5W = lodging S = speed .99 = "I'll be back next year" coefficient  |
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Stan Back
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« Reply #8 on: April 07, 2010, 10:35:09 AM » |
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Payback is hill.
Stan
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Geo
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« Reply #9 on: April 07, 2010, 10:49:10 AM » |
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Did you want that formula to work forwards or backwards?  Geo |
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Stan Back
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« Reply #10 on: April 07, 2010, 10:50:29 AM » |
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Yes
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desotoman
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Temple's "Got'Cha"
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« Reply #11 on: April 07, 2010, 12:36:22 PM » |
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Stan,
Send me the numbers and I will crunch them for you.
Tom G.
Stan, Are you sure those are the right numbers you sent me? I come up with a minus 7. Sorry. Tom G. |
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"Got'Cha" was first run in 1974. Bill Temple entered both 2 clubs in 1976 with records in AA/BGR. At El Mirage 201.79 and Bonneville at 220.
In 1977 Greg Temple started driving "Got'Cha" and entered the El Mirage Dirty 2 club in 1979 @ 201.97. Greg went on to set two records at Bonneville, one in 1981 at 241.848, then in 1991 he set another record at 262.230
Bill and Greg were the first father and son to enter the El Mirage Dirty 2 club. They broke the D/BFR at Bonneville in 1981 @ 241 with top speed of 249. This record still stands today. In 1991 they set the A/BFR @ 262 which was later broke by Duane McKinney.
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jacksoni
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« Reply #12 on: April 07, 2010, 12:48:30 PM » |
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If you are only going 160 on 500 hp you need a different car- 'less you are driving a freightliner or something!  |
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Jack Iliff
G/BGS-250.235 1987
G/GC- 169.741 2009
G/GMS-178.835 2010
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bvillercr
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« Reply #13 on: April 07, 2010, 02:28:10 PM » |
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If you are only going 160 on 500 hp you need a different car- 'less you are driving a freightliner or something! it's called a rolling brick  |
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64avanti
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« Reply #14 on: April 07, 2010, 11:38:33 PM » |
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The power is proportional to the speed. To find the power take the ratio of the two speeds and cube that number. 180/160 = 1.125, 1.125 cubed =1.438 so 500 hp x 1.438 = 712 hp, rounded up
So how big is this car? It has one heck of a CdA!
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