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General BS forum I guess this will be for anything that would seem to be off topic in any other forum here. Just general shootin' the breeze kind of topics.

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Unread 02-05-2007, 08:04 PM   #1
SteveK
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Default Vette vs Top Fuel Dragster

ACCELERATION PUT INTO PERSPECTIVE

* One Top Fuel dragster 500 cubic-inch Hemi engine makes more horsepower than the first 4 rows at the Daytona 500.

* Under full throttle, a dragster engine consumes 11.2 gallons of nitro methane per second; a fully loaded 747 consumes jet fuel at the same rate with 25% less energy being produced.

* A stock Dodge Hemi V8 engine cannot produce enough power to merely drive the dragster's supercharger.

* With 3000 CFM of air being rammed in by the supercharger on overdrive, the fuel mixture is compressed into a near-solid form before ignition. Cylinders run on the verge of hydraulic lock at full throttle.

* At the stoichiometric 1.7:1 air/fuel mixture for nitro methane the flame front temperature measures 7050 degrees F.

* Nitro methane burns yellow. The spectacular white flame seen above the stacks at night is raw burning hydrogen, dissociated from atmospheric water vapor by the searing exhaust gases.

* Dual magnetos supply 44 amps to each spark plug. This is the output of an arc welder in each cylinder.

* Spark plug electrodes are totally consumed during a pass. After 1/2 way, the engine is dieseling from compression plus the glow of exhaust valves at 1400 degrees F. The engine can only be shut down by cutting the fuel flow.

* If spark momentarily fails early in the run, unburned nitro builds up in the affected cylinders and then explodes with sufficient force to blow cylinder heads off the block in pieces or split the block in half.

* Dragsters reach over 300 MPH before you have completed reading this sentence.

* In order to exceed 300 MPH in 4.5 seconds, dragsters must accelerate an average of over 4 G's. In order to reach 200 MPH well before half-track, the launch acceleration approaches 8 G's.

* Top Fuel engines turn approximately 540 revolutions from light to light!

* Including the burnout, the engine must only survive 900 revolutions under load.

* The redline is actually quite high at 9500 RPM.

* THE BOTTOM LINE: Assuming all the equipment is paid off, the crew worked for free, & for once, NOTHING BLOWS UP, each run costs an estimated $1,000 per second.

The current Top Fuel dragster elapsed time record is 4.441 seconds for the quarter-mile (10/05/03, Tony Schumacher). The top speed record is 333.00 MPH (533 km/h) as measured over the last 66' of the run (09/28/03, Doug Kalitta).

Putting this all into perspective:

You are driving the average $140,000 Lingenfelter twin-turbo powered Corvette Z06. Over a mile up the road, a Top Fuel dragster is staged & ready to launch down a quarter-mile strip as you pass. You have the advantage of a flying start. You run the 'Vette hard up through the gears and blast across the starting line & pass the dragster at an honest 200 MPH. The 'tree' goes green for both of you at that moment.

The dragster launches & starts after you. You keep your foot down hard, but you hear an incredibly brutal whine that sears your eardrums & within 3 seconds the dragster catches & passes you. He beats you to the finish line, a quarter-mile away from where you just passed him. Think about it - from a standing start, the dragster had spotted you 200 MPH & not only caught, but nearly blasted you off the road when he passed you within a mere 1320 foot long race!

That's acceleration!
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Unread 02-05-2007, 08:21 PM   #2
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WOW! That incredible
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Unread 02-05-2007, 08:31 PM   #3
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DAYUUUUM!

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Unread 02-05-2007, 08:50 PM   #4
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You constipated?
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Unread 02-05-2007, 08:54 PM   #5
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Thanks Steve!!! I love it...the sound, the smell, the flames, the feeling of the ground and stands shaking as they pass...all of it. Fuel cars are truely awesome!!!
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Unread 02-05-2007, 09:31 PM   #6
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Quote:
Originally Posted by SteveK
You constipated?
Seriously...I was just teasing. That's a cool write up!
I was just looking for a reason to use that Smart A$$ remark.

~Ray
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Unread 02-05-2007, 10:22 PM   #7
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Quote:
Originally Posted by ynkedad
Seriously...I was just teasing. That's a cool write up!
I was just looking for a reason to use that Smart A$$ remark.

~Ray
And I got to give one back...
What fun would this site be if everyone was serious
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Unread 02-06-2007, 06:43 AM   #8
larrybroga
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Default Thanks for a great write up !!!

You did a great job on your research and writing. During the 1960's I competed in AA/FD (later to become Top Fuel) and I can tell you that there has been nothing I have ever experienced since that compares. The dragsters at that time were front engined. The driver sat with his legs draped over the rear axle with the center section pressed against his crotch. While the car was idling the smell of nitro was overwhelming and many times you made a run with eyes full of tears. The zoomie headers pointed right at the rear wheels and during the run you see the flames only inches from your head. By the time you reached the eyes (finish line) the tires had grown to almost twice their original size and you would be skating on about 4 inches of rubber. Although the quickest and fastest I ever ran was 6.26 / 227, the thrill was exhilerating, from the burnout to the chutes opening. Thanks again for letting me relive a small part of my youth
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Unread 02-06-2007, 12:58 PM   #9
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Quote:
Originally Posted by 2Vettes
Thanks Steve!!! I love it...the sound, the smell, the flames, the feeling of the ground and stands shaking as they pass...all of it. Fuel cars are truely awesome!!!
I couldn't agree more. For those who've never been to a top fuel event, GO! You owe it to yourself at least once.
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Unread 02-06-2007, 05:11 PM   #10
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Gee whiz and I thought my Television was complicated. Wow, what a thread. I remember seeing the jet fuel dragster "The Green Monster" driven by a local legend Mr. Arfonds back in the 60's. I can still remember the roar and the smell. Mark
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