Quote Originally Posted by 34_40 View Post
No worries on pics RestoRod. Most of the mods I see on this topic is an added jack shaft with 3 to 5 stepped pulley set. To do thicker steels, you'll have to get the feet per minute down of blade speed. Basically the bigger the piece of steel - the slower the blade needs to go. Of course the choice of blade pitch will dictate all this as well.
How does one determine the proper blade speed? Is it just trial and error or is there a formula?