<Weigh your tube, calculate it's kinetic energy 0.5 * mass * velocity ^2
<right before impact and comparing that to the muzzle energy of a bullet.
<I think the kinetic energy of a .375 inch diameter 10 foot long aluminum
<tube with a .058 inch wall (308 grams by Texas Towers' weight list) going
<88 miles per hour compares favorably with a .38 special's muzzle energy,
<provided you ignore the aerodynamic drag of the tube.
<Of course, you can't really ignore the drag in many of the "falling object
<is like a bullet" problems, but still... gives you an idea of what would
<happen if your tower were in a vacuum :-)
<73
<Dan
I am not saying your calculation is incorrect, but I think you would be hard
pressed to shoot a 38 a foot into the ground.
Keith
AC9S
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|