Just some fun facts (Got this from my wife after doing the taxes)

Discussion in 'Pit Buzz' started by Funnycarbob, Mar 4, 2004.

  1. Funnycarbob

    Funnycarbob Top Dragster

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    You Got a Hemi there Mister?
    Acceleration; Put Into Perspective


    * One Top Alcohol Funnycar 526 cubic-inch Hemi engine makes more horsepower than the first 2 rows at the Daytona 500.

    * Under full throttle, a Funnycar engine consumes 2.5 gallons of Alcohol per second; a fully loaded Lear Jet consumes jet fuel at the same rate with 25% less energy being produced.

    * A stock Dodge Hemi V8 engine cannot produce enough power to merely drive the Funnycar's supercharger.

    * With 4000 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 3.7:1 air/fuel mixture for Alcohol the flame front temperature measures 6050 degrees F.

    * Alcohol burns clear. The spectacular white flame seen above the stacks at night is raw burning hydrogen, dissociated from atmospheric water vapor by the searing exhaust gases.

    * A magneto supplies 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 plus the glow of exhaust valves at 1100 degrees F. The engine can only be shut down by cutting the fuel flow.

    * If spark momentarily fails early in the run, unburned alcohol 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.

    *Funnycars reach over 250 MPH before you have completed reading this sentence.

    * In order to exceed 250 MPH in 5.5 seconds, Funnycars must accelerate an average of over 4 G's. In order to reach 200 MPH well before half-track, the launch acceleration approaches 8 G's.

    * A Funnycar’s engine turns approximately 940 revolutions from light to light!

    * Including the burnout, the engine must only survive 1500 revolutions under load.

    * The redline is actually quite high at 10,500 RPM.

    * THE BOTTOM LINE: Assuming all the equipment is paid off, the crew worked for free, & for once, NOTHING BLOWS UP, each run costs an estimated $200 per second.
     
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  2. jdgmntl1

    jdgmntl1 New Member

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    Can I add to this?
    You forgot that for every second the car runs your 5 person (average) crew has spent atleast one hour for every second from light to light.

    Another funny thing is this red line everyone talks about. I asked my Dad once how to tell where the redline was on an 396 that we had just rebuilt so I could set it on the tach. He said to blow second gear and when the engine fit loosely in a five gallon pail it was 500 rpm below the recall on the tach. JDD
     
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  3. nitrohawk

    nitrohawk New Member

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    This was great reading Bob.
    NOW LETS HAVE AN ASTUTE GUY BREAK DOWN THE A-FUEL ENGINE. ONE THING ABOUT THE FUEL ENGINE IT TURNS LESS RPM SO FEWER REVOLUTIONS IN 5.13 SECONDS.
    OF COURSE THE STOCK 426 WILL DRIVE THE BLOWER IF YOU DRIVE IT FROM ON TOP!!!
    FORGIVE ME ITS EARLY.
     
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  4. Bill Severino

    Bill Severino webmaster

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    Good one Bob!
     
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