re:Jon Elson belt drive question

Wally,

While you're asking /figuring, you better find out the tooth form
(trapezoid or parabolic)and, more importantly, the tension member
material: I.E. polyester, kevlar, steel, encased in rubber,
polyurethane, etc. it helps to compare apples with apples!

Also note that the trapezoid belts are more prone to catastrophic
failure in any size due to their geometry.

Hope this helps.

Ballendo

>Jon, in a previous post you told us how you snapped a 3/8 belt on
>your bridgeport table drive. Quote below.

<snipped>

>I have been talking with Hugh about belt sizing and calculations. It
>would be very helpfull if you could remember what acceleration you
>were using to cause the belt to snap. And what acceleration you are
>using now. Thank you;
>Wally K.