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Post by turbochris on Feb 19, 2011 11:45:31 GMT -5
If anyone has been watching Speed Channel, you may have seen the coming attractions for a show called car science. Me and my van will be on it. Theres also this big guy with a hearse and pickup....
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viper
Member
Joined: August 2010
Posts: 10
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Post by viper on Mar 7, 2011 5:53:09 GMT -5
Is there any where we can download this episode?
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Post by turbochris on Mar 8, 2011 19:58:18 GMT -5
I can't put up the whole episode but I'll try to post the part with me and Ernie on my youtube account
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Post by ernie wrenn on Mar 9, 2011 12:01:08 GMT -5
I THINK YOU HAVE THAT WRONG!!!!! the billing is:
Ernie and that POS van.... I mean, if you have to open the doors to race.... it aint a race car!
Don't you get a LOT of drag with all that stuff sticking up in the back and out the sides. About as aerodynamic as a BRICK. Of course, since you weight 130 pounds it is probably safer!!!!
Ernie
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Post by turbochris on Mar 16, 2011 21:55:37 GMT -5
As promised-
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axkiker
New Member
Joined: March 2011
Posts: 9
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Post by axkiker on Mar 16, 2011 22:24:03 GMT -5
So whats up with the 1000 HP but only sub 8 sec times.
im not trying to be a prick im just trying to learn for future projects. Im an avid race car guy and have ran cars in the 1000 hp range that are pushing the 4's
what am i missing???
The only thing I can guess from the limited data is the really low 2000k shaft output.
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Post by ernie wrenn on Mar 17, 2011 8:41:49 GMT -5
Think TV show... They make up their own factors. The van makes 970 h/p with 2100 lbs torque.
They filmed for 2 days and most of the film is on the cutting room floor. The race they showed was after 30 seconds of afterburner running and then a leave. We ran out of fuel @ 1/2 track.
Chris's van was the MAIN item and we were the fill (comparision). We ran a complete run of 139.47 MPH in the 1/8 mile.
TV shows are for viewers not racers
We got major TV coverage for our sport.... You can use this as part of a package for possible sponsership. How many times did you see COMPUCAR NITROUS SYSTEMS in the film?
Ernie
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Post by Richard OConnell on Mar 17, 2011 10:05:09 GMT -5
To answer your question: There are some key differences between the van and conventional drag vehicles.
1) Lack of transmission. The turbine engine's output shaft is running directly to the rear wheels. He has no way to step his torque. Its like drag racing in 2nd or 3rd gear.
2)Tires. His rear wheels, which are supplying the majority of the power, are running on street tires instead of wide-base racing slicks.
3)Weight. A minivan with a turbine engine from a helicopter weighs considerably more than a pro-mod drag car.
4)Safety. Would you really want to be running 4.0's in a top-heavy minivan with no cabin roll cage and no chutes?
Its a cool project and a lot of fun to watch, and it would easily decimate most street cars in a race, but it definately isn't up to par with the pro-mods.
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axkiker
New Member
Joined: March 2011
Posts: 9
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Post by axkiker on Mar 17, 2011 10:28:49 GMT -5
Think TV show... They make up their own factors. The van makes 970 h/p with 2100 lbs torque. They filmed for 2 days and most of the film is on the cutting room floor. The race they showed was after 30 seconds of afterburner running and then a leave. We ran out of fuel @ 1/2 track. Chris's van was the MAIN item and we were the fill (comparision). We ran a complete run of 139.47 MPH in the 1/8 mile. TV shows are for viewers not racers We got major TV coverage for our sport.... You can use this as part of a package for possible sponsership. How many times did you see COMPUCAR NITROUS SYSTEMS in the film? Ernie Gotcha.... I was just setting here running the numbers in my head and was thinking he has way more power than he needs to only be runing 8's. I didnt know that the TV people made up the numbers. What kind of times do you get when you are really trying to push the times down. I bet its fairly hard with skinny tires but im guessing you can still get in the 7's... maybe even low 7's if you can keep traction. Very cool project
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Post by turbochris on Mar 17, 2011 11:37:57 GMT -5
I dyno'ed the van, 136 hp at the wheels whoops wrong end that was the stock V6. We turned it around and got 575 hp at the rear wheels. it was an inertia dyno and we had trouble driving through the brake as the turbine spooled so it started making data before we were at 100%. I need a brake dyno.
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