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psi
tinkerer
Joined: 17 Apr 2002
Posts: 123
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 Posted: Mon Apr 29, 2002 5:58 pm Post subject: how much hp?? |
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| wondering how much hp would be needed at the rear wheels, in a tg sedan get a low 13 - high 12 quarter mile, providing u get traction?? |
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GasGem
backyard mechanic
Joined: 05 Nov 2001
Posts: 755
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Mooch
backyard mechanic
Joined: 17 Oct 2001
Posts: 573
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| Posted: Mon Apr 29, 2002 6:26 pm Post subject: Re: how much hp?? |
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| hp, dont 4get is rear wheel, like u asked. |
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TXcoupe
petrol head
Joined: 05 Oct 2001
Posts: 1675
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| Posted: Mon Apr 29, 2002 8:32 pm Post subject: Re: how much hp?? |
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| well 186hp at the rear wheels will get you intlo the low 13's |
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psi
tinkerer
Joined: 17 Apr 2002
Posts: 123
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| Posted: Mon Apr 29, 2002 9:21 pm Post subject: Re: any1 know the weight??? |
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| anyone know the weight of a tg sedan?? |
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TXcoupe
petrol head
Joined: 05 Oct 2001
Posts: 1675
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| Posted: Mon Apr 29, 2002 9:22 pm Post subject: Re: any1 know the weight??? |
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| i would use 950kg's or 2200 pounds |
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Ben Wight
backyard mechanic
Joined: 04 Oct 2001
Posts: 946
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| Posted: Mon Apr 29, 2002 11:37 pm Post subject: Re: how much hp?? |
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| it takes about 190rwhp |
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Loz
backyard mechanic
Joined: 05 Oct 2001
Posts: 943
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| Posted: Tue Apr 30, 2002 2:48 am Post subject: Re: any1 know the weight??? |
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180 odd HP at the rear got the red sams performance gem (previous hp hero at summernats 2 years in a row, 4cyl N/A, but retired for this year) to do a 12.76ET. Not sure of the terminal speed. About 105mph.
A gemi with 20L of petrol and you sitting in the drivers seat will weigh a bit over 1000kg. So 200hp at the rear should get you into the 12's easy with decent suspension and 215's on the back. So we'll say between 280 and 300hp at the fly.
That would be a very fun car. And sooo damn quick. |
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nos
tinkerer
Joined: 24 Apr 2002
Posts: 274
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| Posted: Tue Apr 30, 2002 7:08 pm Post subject: kw to hp |
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| need help in translation here. if an engine has 190kw, what horsepower does that roughly translate to at the rear wheels. and also if its 250-280kw. what would that translate to? |
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tha_mad_hatter
rice boy
Joined: 30 Mar 2002
Posts: 43
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| Posted: Tue Apr 30, 2002 8:10 pm Post subject: Re: kw to hp |
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1 kw = 1.34 hp
u do the math man 
later |
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TXcoupe
petrol head
Joined: 05 Oct 2001
Posts: 1675
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| Posted: Tue Apr 30, 2002 8:11 pm Post subject: Re: kw to hp |
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the usaul thing to do is to take KW at the flywheel to equal Hp at the wheels.
so 180kw is = to 180Hp but this is a rough gide |
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nos
tinkerer
Joined: 24 Apr 2002
Posts: 274
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| Posted: Tue Apr 30, 2002 8:52 pm Post subject: Re: kw to hp |
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| thanks mad hatter! |
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nos
tinkerer
Joined: 24 Apr 2002
Posts: 274
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| Posted: Tue Apr 30, 2002 8:56 pm Post subject: Re: kw to hp |
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| one q though: does that equasion give you rear wheel hp? |
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Loz
backyard mechanic
Joined: 05 Oct 2001
Posts: 943
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| Posted: Wed May 01, 2002 2:56 am Post subject: Re: kw to hp |
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Once you have the HP at the fly multiply by 0.7. This equates to about a 30% drivetrain loss (Which is usually quite conservative) which gives you roughly the horses at the rear.
eg. 150kw at the fly multiply by 1.34 to get your HP at the fly. Which is 201hp.
Then multiply by 0.7 to account for drivetrain loss. which equals 140.7rwhp. Which equals very fast gemi... |
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