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| Engineering/ Technical Ask technical questions about cars. Do you know how a car engine works? |
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#1
12-16-2003, 09:52 AM
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Rocket boosters
How effective would a rocket booster be on a street dragster, I am thinking of using two small enough to be disguised as a set of false glasspacks. (no more than about 5" across) Also I mean to use solid rocket fuel, because it is more stable than liquid. Can anyone give me any info on converting lbs of thrust to hp. And the total amount of force that these rockets could provide? Also is there any fuel that does not leave a highly visiable smoke trail. (I don't want people to figure out my trick)
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#3
12-16-2003, 12:27 PM
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Wow that was the most technical, informative, and mind warping response that I have ever heard! Na just kidding, the sad part is that I am not on drugs and I am very serous. I want to build somthing that will run 9s and look near stock. (super sleeper) I should probably use a neon or somthing that ususaly only posers play with just to mess people up more. A fake poser what a concept.
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#5
12-16-2003, 01:52 PM
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Re: Rocket boosters
i do.....from what i've seen on t.v..
__________________
The name's Adrian 1990 Civic HB Si - 265.7whp/223tq @9.2psi. Tuned on NepTune by J.Mills 1991 Civic Sedan DX - 296.3whp/230tq @1bar. Tuned on NepTune by J.Mills 1991 Civic Sedan DX - 185.8whp/139tq. Tuned on NepTune by J.Mills 2006 G35 Coupe 6MT - Stock 2011 CR-Z - Stock
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#7
12-16-2003, 02:12 PM
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Re: Rocket boosters
ever watched the coyote and roadrunner
__________________
The name's Adrian 1990 Civic HB Si - 265.7whp/223tq @9.2psi. Tuned on NepTune by J.Mills 1991 Civic Sedan DX - 296.3whp/230tq @1bar. Tuned on NepTune by J.Mills 1991 Civic Sedan DX - 185.8whp/139tq. Tuned on NepTune by J.Mills 2006 G35 Coupe 6MT - Stock 2011 CR-Z - Stock
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#8
12-16-2003, 09:11 PM
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Re: Rocket boosters
You'd have to secure them pretty well to push your chassis that fast.
__________________
Some things are impossible, people say. Yet after these things happen, the very same people say that it was inevitable.
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#9
12-17-2003, 07:50 AM
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Re: Rocket boosters
Thrust can't really be converted into hp in a "good way", it can be done but I don't see any reason to do it since it will be more of a number on a paper. You can however calculate how the thrust will affect you cars acceleration and top speed by calculating the drag and rolling resistance. By using F=ma, where F is thrust minus drag and rolling resistance and m is the mass of the car we can calculate the acceleration a. When calculating top speed the thrust will work against the drag and therefore reduce the engine power needed for any speed.
I would recommend that you use a liquid fuel rocket if you really want to do this since it can be shut of if anything happens. There is also no way that you can hide the use of the rockets, the flames, smoke and noise will give you away. Begin with reading this; "HOW to DESIGN, BUILD and TEST SMALL LIQUID-FUEL ROCKET ENGINES " http://www.gramlich.net/projects/rocket/ Rocket engines have been used in dragracing, I think the fastest did the quarter mile in 3 seconds or so, this when the engine was shut down after half the length.
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#10
12-17-2003, 07:51 AM
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Re: Rocket boosters
well, it would probably not add much. at most it would take .1 or .2 off your 1/4 mile time.
that is unless you had a BIG rocket on there. but rockets the size of glasspacks wont do much
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#11
12-17-2003, 07:54 AM
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Re: Rocket boosters
^I agree, use liquid fuel. Once you light off a solid-fueled rocket it goes until it's used up all its fuel.
Also be ridiculously careful where you set those suckers off. Previous Darwin awardee sat a rocket booster (albiet a big one) on his car and lit it off on an abandoned desert rode that seemed relatively straight. Of course two miles later he sees a cliff and smashes right into it becuase he can't stop.
__________________
Anyone who climbs out of an Enzo and says it's not fast enough is a liar or Michael Schumacher.
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#12
12-17-2003, 09:31 AM
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Re: Re: Rocket boosters
Quote:
Liquid fuel rockets are also very small and powerful, one which has a diameter of just a few inches can deliver more power than a F1 engine.
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#13
12-17-2003, 09:40 AM
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Re: Rocket boosters
hey, go for it!
just tell them you are using lots of NOS and that is why the flames are shooting out the end of your car.
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#14
12-17-2003, 10:00 AM
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Re: Rocket boosters
yeah it'll be like that movie Dead Man Walking.....but a Dead Man Driving
__________________
The name's Adrian 1990 Civic HB Si - 265.7whp/223tq @9.2psi. Tuned on NepTune by J.Mills 1991 Civic Sedan DX - 296.3whp/230tq @1bar. Tuned on NepTune by J.Mills 1991 Civic Sedan DX - 185.8whp/139tq. Tuned on NepTune by J.Mills 2006 G35 Coupe 6MT - Stock 2011 CR-Z - Stock
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#15
12-17-2003, 01:57 PM
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Re: Re: Rocket boosters
Quote:
That is actualy what I was planing to do. And I was going to explain the noise by saying that I bypassed the muffler to free up hp. Of course anyone that knew anything about thrust would know better. Let's take a poll, what car would yall think yould make the most convincing fake poser? A Civic, a Miata, a Sentra, a Metro or any other cheesy cars that you can think of.
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