[AT] OT: Acceleration defined

[Mark Greer]

And a whole lot more fun to watch! (and I have 2 Cubs of my own)

----- Original Message ----- 
From: "steve smith" <elmodee at psln.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Tuesday, May 04, 2004 12:53 AM
Subject: Re: [AT] OT: Acceleration defined


> Faster than the average Cub. LOL
> Smitty
>
> At 10:33 PM 5/3/04 -0400, you wrote:
> >This is the best definition I've ever seen!
> >
> >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 4.5 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 1,320 foot long race course.
> >
> >... and that my friend, is ACCELERATION!
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