G
garth_rocket
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* One Top Fuel Dragster 500 inch Hemi engine makes more horsepower than the first four rows (eight cars) at the Daytona 500
* Under full throttle, a dragster engine consumes 1 ½ 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 does not make enough power to turn the dragster’s supercharger
* With 3000 cfm of air being rammed in by the overdriven supercharger, the fuel mixture is compressed in to a nearly 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, disassociated from atmospheric water vapor by the searing exhaust gasses
* 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 ½ way, the engine is dieseling from compression, rather than firing on the ignition, aided by the red-hot glow of the exhaust valves at 1400 degrees F. The engine can only be shut down at this point 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 4 g’s.
* In order to reach 200 mph well before half track, the launch acceleration approaches 8 g’s.
* Dragsters reach 300 mph before you can finish reading this sentence
* Top fuel engines turn approximately 540 revolutions from start to finish line
* Including the burnout the engine must only survive 900 revolutions under load
* The redline is actually quite high at 9,500 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 per second.
* The current Top Fuel elapsed time record is 4.441 seconds for the quarter mile (10/05/03 Tony Schumacher)
* The top speed record is 333.00 mph as measured over the last 66 feet of the run. (9/28/03 Doug Kallita)
* Putting all of this into perspective: You are driving the average $140,000 Lingenfelter Twin Turbo Z06 Corvette. Over a mile up the road, a Top Fuel dragster is staged and ready to launch down the quarter mile 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.
That folks, is acceleration.
* Under full throttle, a dragster engine consumes 1 ½ 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 does not make enough power to turn the dragster’s supercharger
* With 3000 cfm of air being rammed in by the overdriven supercharger, the fuel mixture is compressed in to a nearly 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, disassociated from atmospheric water vapor by the searing exhaust gasses
* 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 ½ way, the engine is dieseling from compression, rather than firing on the ignition, aided by the red-hot glow of the exhaust valves at 1400 degrees F. The engine can only be shut down at this point 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 4 g’s.
* In order to reach 200 mph well before half track, the launch acceleration approaches 8 g’s.
* Dragsters reach 300 mph before you can finish reading this sentence
* Top fuel engines turn approximately 540 revolutions from start to finish line
* Including the burnout the engine must only survive 900 revolutions under load
* The redline is actually quite high at 9,500 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 per second.
* The current Top Fuel elapsed time record is 4.441 seconds for the quarter mile (10/05/03 Tony Schumacher)
* The top speed record is 333.00 mph as measured over the last 66 feet of the run. (9/28/03 Doug Kallita)
* Putting all of this into perspective: You are driving the average $140,000 Lingenfelter Twin Turbo Z06 Corvette. Over a mile up the road, a Top Fuel dragster is staged and ready to launch down the quarter mile 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.
That folks, is acceleration.
