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top fuel
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71fastback



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    Post: #1
    top fuel

    Read this thru slowly and try to comprehend the amount of force

    produced in just under 4 seconds!

    There are no rockets or airplanes built by any government in the

    world that can accelerate from a standing start as fast as a

    Top Fuel Dragster or Funny Car!




    DEFINITION OF ACCELERATION


    One top fuel dragster 500 cubic-inch Hemi engine makes more

    horsepower than the first 4 rows of stock cars at the Daytona 500.

    It takes just 15/100ths of a second for all 6,000+ horsepower of an

    NHRA Top Fuel dragster engine to reach the rear wheels.

    Under full throttle, a dragster engine consumes 1-1/2 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

    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 of nitro methane,

    the flame front temperature measures 7,050 deg. 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 halfway, the engine is dieseling from compression, plus

    the glow of exhaust valves at 1,400 deg 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 for, the crew worked for free,

    and for once NOTHING BLOWS UP, each run costs an estimate

    $1,000.00 per second.

    The current top fuel dragster elapsed time record is

    4.428 seconds for the quarter mile

    (11/12/06, Tony Schumacher, at Pomona , CA ).

    The top speed record is 336.15 mph

    as measured over the last 66' of the run

    (05/25/05 Tony Schumacher, at Hebron , OH ).

    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 pass 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 1,320 foot long race

    course.

    ...... and that my friend, is ACCELERATION!
    Offline 01-15-2011 08:30 PM
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    rocketfoot


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      Post: #2
      RE: top fuel

      That is just awesome! I think I need a cold shower now! Big Grin
      Offline 01-15-2011 08:37 PM
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      Tnfastbk



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        Post: #3
        RE: top fuel

        WOWwhistling
        Offline 01-15-2011 08:56 PM
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        mach71351c



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          Post: #4
          RE: top fuel

          NICEBig Grin
          Offline 01-15-2011 10:00 PM
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          coilwire



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            Post: #5
            RE: top fuel

            Two years ago at my home track Bryon Dragway during test & tune they put me up againg a rail. Before I hit the 60' mark he was already across the finish line. IO never knew what hit me. What a trip.
            Jim
            Offline 01-15-2011 10:09 PM
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            Mister 4x4


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              Post: #6
              RE: top fuel

              "Holy Sh!t" is all I can come up with.

              Ya know, this reminds me of why these are some of the best times to be alive (all things considered)... we got some Damn COOL stuff! Big Grin
              Offline 01-16-2011 08:36 PM
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              72fastback



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                Post: #7
                RE: top fuel

                [quote='Mister 4x4' pid='8933' dateline='1295228173']
                "Holy Sh!t" is all I can come up with.

                DITTOthumb
                Offline 01-16-2011 10:37 PM
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