Definition of Acceleration
06-30-2008, 08:55 PM
#1
Definition of Acceleration A Definition of Acceleration.
>
> * One Top Fuel dragster 500 cubic inch Hemi engine
> makes more horsepower than the first 4 rows of
> NASCARS at the Daytona 500.
>
> * Under full throttle, a dragster engine consumes
> 1-1/2 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's supercharger.
>
> * With 3,000 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 (stoichiometry:
> methodology and technology by which
> quantities of reactants and products in
> chemical reactions are determined)
> 1.7:1 air/fuel mixture for nitromethane,
> the flame front temperature measures 7,050 deg 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 halfway, the engine is
> dieseling from compression, plus the glow of
> exhaust valves at 1,400 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 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 redline is actually quite high at 9,500 rpm.
>
> * Assuming all the equipment is paid off, the crew worked
> for free, and for once NOTHING BLOWS UP, each run costs an
> estimated $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.
>
> * One Top Fuel dragster 500 cubic inch Hemi engine
> makes more horsepower than the first 4 rows of
> NASCARS at the Daytona 500.
>
> * Under full throttle, a dragster engine consumes
> 1-1/2 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's supercharger.
>
> * With 3,000 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 (stoichiometry:
> methodology and technology by which
> quantities of reactants and products in
> chemical reactions are determined)
> 1.7:1 air/fuel mixture for nitromethane,
> the flame front temperature measures 7,050 deg 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 halfway, the engine is
> dieseling from compression, plus the glow of
> exhaust valves at 1,400 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 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 redline is actually quite high at 9,500 rpm.
>
> * Assuming all the equipment is paid off, the crew worked
> for free, and for once NOTHING BLOWS UP, each run costs an
> estimated $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.
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07-01-2008, 01:24 PM
#8
Teching In
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07-01-2008, 01:46 PM
#9
Launching!
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Oldie but goodie, needs to be updated though....
Current 1/4 mile ET record is 4.428 Tony Schumacher (11/12/06 Pomona, CA)
Current 1/4 mile speed record is, 336.15 Tony Schumacher (05/25/05 Hebron, OH)
Current 1/4 mile ET record is 4.428 Tony Schumacher (11/12/06 Pomona, CA)
Current 1/4 mile speed record is, 336.15 Tony Schumacher (05/25/05 Hebron, OH)
