Horsepower

TOOLS1

April 10, 2002 15:41

Can any one convert muzzel energy to horsepower? Say using a 30-06 in a bolt action rifel.
Horsepower is something an old gear head like myself can relate to.
Thanks TOOLS1

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  v35

  April 10, 2002 17:12

  68hp

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  TOOLS1

  April 10, 2002 17:26

  Can you give me the formula you used?
  I was also woundering about length of barrel. If you think of the bullet as a piston then the barrel would be the cylinder. So would the length of the barrel be equel to stroke?
  Thanks TOOLS
  Hay Jonk I know you can answer this!

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  v35

  April 10, 2002 17:47

  By definition, one horsepower will lift 550 pounds one foot in one second. A 30-06 will shoot a 173 grain bullet,2750 feet in one second. The bullet weight in pounds is 173/7000 or .0247lbs x 2750 = 67.96 hp.

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  TOOLS1

  April 10, 2002 18:57

  Thanks for the fourmula.
  Thats more horsepower than some small cars. Now I can realy brag about horsepower per cubic inch when bench raceing.
  Thanks TOOLS

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  Otoman

  April 12, 2002 04:29

  V35 Your formula is correct except you did not include the coeffecient of Drag. Weight in # x Velocity in FPM/33000 x Coeffecient of Drag or coeffecient of Friction = H.P.
  
  KIMBER: Pistol du jour

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  ddhotbot

  April 12, 2002 13:22

  YOU KNOW I THINK THIS BOARD HAS LOST IT!!!!!!
  KEEP ON BANGIN BOYS ,DON

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  Xracer

  April 12, 2002 14:18

  Yep....gonna put twin Holley's and a Crane Cam on the ol' Springfield.

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  wapo3030

  April 12, 2002 14:33

  OK.OK. I GOT A HILTI GUN...PISTON HOOKED TO THE CRANK OF A 1 FOOT FLYWHEEL.CAM TO TRIP THE TRIGGER A COUPLE DEGREES AFTER TDC......

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  v35

  April 12, 2002 15:24

  I didn't sleep well after my answer because the number seemed too high. Since the topic didn't quietly go away I'll have to admit my error and correct it. The units of my earlier answer of 67.96 are foot pounds per second which need to be divided by 550 foot pounds per second per horsepower for .124 or 1/8hp, my final answer.

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  leeblackman

  April 13, 2002 02:51

  Is that your final answer? Please stay tuned to..... Tha WEEKEST LINK!!! dun dun dun.....
  
  Visit me http://www.geocities.com/gunsmithlee

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  hunter280man

  April 13, 2002 05:48

  Darn, I was just going to power my suburban with twin cam .200's till you re-figured your formula's. Oh well back to the 455 big block, just when I thought I had "MORE POWER"!
  
  Though I was born to royalty, I was snatched at birth, so treat me as the noble I am!!!

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  captkirk3@dslextreme.com

  April 13, 2002 07:33

  Good Grief......Best
  
  Captain Kirk, Tech Staff

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