Matt, I got this chart from Hartville tool http://www.hartvilletool.com/product/11041 it has various formulas including what you're wanting to do. I'm not in the shop now but if you need me to calculate it for you let me know.
Matt, I got this chart from Hartville tool http://www.hartvilletool.com/product/11041 it has various formulas including what you're wanting to do. I'm not in the shop now but if you need me to calculate it for you let me know.
David