crossbow prod

I forged a prod (stonebow) directly from the drawings in Payne-Gallwey; the bow was forged from a large truck coil spring. I never tempered the bow, so it has nowhere near that draw, but I'm sure that tempering would greatly stiffen the pull (or if you used a bigger spring to start with!)

John

Håken wrote:

Verily I say unto thee, that on Wed, 26 Jan 2005 10:55:38 -0000, "Håken" spaketh thusly:

Good old fashioned truck leaf springs should do it. For what are you planning to use it?

I ask because your dimensions seem a tad odd. I've used a 150# 14" that draws a little over 10" for deer. A 250# compound is what Fred Bear (Baer? - regular contributor to one of the hunting magazines) designed for hunting elephants and water buffalo. A friend had a Bear and it used 22" bolts, but being a compound, the draw is longer than a conventional.

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Do anyone got cad drawings for a crossbow prod with a draw weight of 230 lbs, and draw lenght of 8 inces ?

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