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Post by chris ellis on Apr 22, 2005 0:10:11 GMT 10
Just out of interests sake id like to know the boost levels the top fuel drag cars run? i searched the net but didnt find anything and then got frustrated, so if anyone knows, or can point me in the direction to find out it would be appreciated.
Regards, Chris
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Post by Evan on Apr 22, 2005 6:46:49 GMT 10
I have heard of upwards of 50psi
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Post by fkn16v on Apr 24, 2005 20:02:19 GMT 10
Higher then 50psi, even the tractor pulling professionals use upwards of 120psi.
Bloody rediculous.
Cheers
Steve
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Post by fkn16v on Apr 24, 2005 20:10:23 GMT 10
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Post by chris ellis on Apr 24, 2005 21:49:48 GMT 10
"It takes 900 b.h.p. just to turn the supercharger on top of the motor. It pushes 45.5 psi of boost."
from that web page, but how does it take 900bhp to generate 45.5psi, that seems a little extencive....
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Post by jzx100 trd on Apr 26, 2005 16:51:55 GMT 10
some1 told me that the v10 in a dodge viper didnt have enough power or tourqe to turn the supercharger on a top fueler ;D
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karbonphyber
Full Member
Drift? Smells Good To Me!
Posts: 142
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Post by karbonphyber on Apr 26, 2005 17:59:22 GMT 10
hm............
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Post by fkn16v on May 18, 2005 20:08:31 GMT 10
"It takes 900 b.h.p. just to turn the supercharger on top of the motor. It pushes 45.5 psi of boost." from that web page, but how does it take 900bhp to generate 45.5psi, that seems a little extencive.... ive read somewhere its not the psi your trying to generate, its how you generate it? Hang on that was on Hot4s or something. Its the way the s/c is designed to work. Why i got no idea. Ill look into it. Cheers Steve |
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Post by fkn16v on May 18, 2005 20:10:20 GMT 10
Craziest stat of all: the exhaust gases shot upwards out of the headers create 800 lbs. of downforce at full acceleration.  Cheers Steve |
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Post by fkn16v on May 18, 2005 20:23:02 GMT 10
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Post by turboj on May 11, 2006 23:29:36 GMT 10
"It takes 900 b.h.p. just to turn the supercharger on top of the motor. It pushes 45.5 psi of boost." from that web page, but how does it take 900bhp to generate 45.5psi, that seems a little extencive.... blowers dont actually pressurise any air... they capture a certain displacement of air and trap it on the outlet side of the supercharger... the larger the displacement of air, or the quicker the blower runs in relation to the crank, the more air that is crammed into the inlet manifold... when there is more air in the inlet that the engine can swallow there is an increase in the manifold pressure... so the same blower running at the same speed on two different engines would produce more boost in the smaller engine (or in the less powerful engine; the engine that had the least capability to suck away inlet air) a top fuel engine is an 8.2L v8 but they run massive valves and huge duration so the flow through the engine is huge... to make 45.5psi in the inlet manifold the blower needs to be big enough to force 4 times the normal amount of air that the engine would be swallowing naturally aspirated (45.5psi is around 3 bar isnt it?)... So it needs to either capture massive displacements of air, or capture the air very quickly... Which means a huge load on the engine (around 900bhp  ) i dunno if that made sense but thats the way it |
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Post by turboj on May 11, 2006 23:31:39 GMT 10
i get really bored sometimes... can u tell  |
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