OT-Funny cars, 8000 HP? - Page 2

Blownhotrodder · 06-08-2010, 05:33 PM

They were in Atlanta a few weeks ago. It was really hot but a good time. You have to go atleast once to see what the fuss is all about.

Blownhotrodder · 06-08-2010, 05:35 PM

pics

gold5000000 · 06-28-2010, 11:41 PM

Quote:

Originally Posted by speedster

Yes, 8000 hp EACH. When they run at Z Max drag strip in NC, they are 4 wide and it is 32,000 hp each round. Sick...

Not bad for a 500 cubic inch engine.

And to really make you cry - a "normal" burnout and 4 second pass costs upwards of $10,000. Engine parts, clutches, tires, Nitro, prep, etc.

not to mention how often the engines blow up...thats what melts the credit card

*Mr. Wyndham* · 06-28-2010, 11:43 PM

Quote:

Originally Posted by speedster

Yes, 8000 hp EACH. When they run at Z Max drag strip in NC, they are 4 wide and it is 32,000 hp each round. Sick...

Not bad for a 500 cubic inch engine.

And to really make you cry - a "normal" burnout and 4 second pass costs upwards of $10,000. Engine parts, clutches, tires, Nitro, prep, etc.

.047 miles per gallon. These things burn literally GALLONS of fuel going one-quarter mile distance. So much so that unburnt fuel gets spit out of the exhaust and burned outside the engine!

Absolutely astounding.

They're most-commonly pushrod, too, right?

*DGthe3* · 06-29-2010, 12:04 AM

Quote:

Originally Posted by Dragoneye

.047 miles per gallon. These things burn literally GALLONS of fuel going one-quarter mile distance. So much so that unburnt fuel gets spit out of the exhaust and burned outside the engine!

Absolutely astounding.

They're most-commonly pushrod, too, right?

supercharged, pushrod engines based on Chrysler big blocks.

All-Or-Nothing · 06-29-2010, 12:29 AM

* One Top Fuel dragster 500 cubic inch Hemi engine makes more horsepower than the first 8 rows at the Daytona 500.

* Under full throttle, a dragster engine consumes 1½ gallons of nitromethane 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 drive the dragster 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 nitromethane the flame front temperature measures 7050 degrees F.

* Nitromethane 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.

* In order to exceed 300 mph in 4.5 seconds dragsters must accelerate at an average of over 4G's. In order to reach 200 mph well before half-track, the launch acceleration approaches 8G's .
* Dragsters reach over 300 miles per hour before you have completed reading this sentence.

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

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

* The red-line is actually quite high at 9500 rpm.

* The Bottom Line; Assuming all the equipment is paid off, the crew worked for free, and for once NOTHING BLOWS UP, each run costs an estimated US $1,000.00 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 all of this 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 and 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 and past the dragster at an honest 200 mph. The 'tree' goes green for both of you at that moment. The dragster launches and starts after you. You keep your foot down hard, but you hear an incredibly brutal whine that sears your eardrums and within 3 seconds the dragster catches and 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 and not only caught, but nearly blasted you off the road when he passed you within a mere 1320 foot long race course.

mstrfdsstr · 06-29-2010, 01:05 AM

well said!!!!!!!!!

06-08-2010, 05:35 PM	#16
Blownhotrodder Drives: 2018 ZL1 1LE Join Date: Dec 2008 Location: Clarkesville , GEORGIA Posts: 1,857	pics Attached Images

06-29-2010, 01:05 AM	#21
mstrfdsstr Drives: 2010 SS/RS CAMARO Join Date: Aug 2008 Location: toms river, nj Posts: 141	well said!!!!!!!!! __________________ IOM 2 SS/RS LS3 vin9862

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06-08-2010, 05:33 PM	#15
Blownhotrodder Drives: 2018 ZL1 1LE Join Date: Dec 2008 Location: Clarkesville , GEORGIA Posts: 1,857	They were in Atlanta a few weeks ago. It was really hot but a good time. You have to go atleast once to see what the fuss is all about.

06-29-2010, 12:29 AM	#20
All-Or-Nothing Account Suspended Drives: BMW 6 series Vert Join Date: Aug 2009 Location: Right Here Posts: 979	* One Top Fuel dragster 500 cubic inch Hemi engine makes more horsepower than the first 8 rows at the Daytona 500. * Under full throttle, a dragster engine consumes 1½ gallons of nitromethane 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 drive the dragster 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 nitromethane the flame front temperature measures 7050 degrees F. * Nitromethane 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. * In order to exceed 300 mph in 4.5 seconds dragsters must accelerate at an average of over 4G's. In order to reach 200 mph well before half-track, the launch acceleration approaches 8G's . * Dragsters reach over 300 miles per hour before you have completed reading this sentence. * Top Fuel Engines turn approximately 540 revolutions from light to light! * Including the burnout the engine must only survive 900 revolutions under load. * The red-line is actually quite high at 9500 rpm. * The Bottom Line; Assuming all the equipment is paid off, the crew worked for free, and for once NOTHING BLOWS UP, each run costs an estimated US $1,000.00 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 all of this 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 and 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 and past the dragster at an honest 200 mph. The 'tree' goes green for both of you at that moment. The dragster launches and starts after you. You keep your foot down hard, but you hear an incredibly brutal whine that sears your eardrums and within 3 seconds the dragster catches and 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 and not only caught, but nearly blasted you off the road when he passed you within a mere 1320 foot long race course.