[TheForge] Guesstamating/calculating

Fri Mar 29 16:11:05 2002

on bars where the final length is critical, I use a
formula I got from a forestry textbook (it may be the
one for truncated cones), it involves plugging the
area of the wide part, the narrow part, and the
desired length. The formula yields volume (such as
cubic inches) then I just figure how much parent stock
yields that volume.

I don't have the formula right now but I can post it
if anyone is interested.

Brian

--- Larry <[email protected]> wrote:
> Is there a rule of thumb to use when drawing steel
> as to how much to start with?  For
> instance, say I wish at draw out a taper on a piece
> of 1 inch round bar to 1/2 inch and wish
> the taper to be 6 inches long.  How much stock
> should I start with?   This is assuming I wish
> to make more than one, or have two ends of the same
> stock tapered equally.
> 
> 
> Larry
> 
> 
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