There was an excel spreadsheet posted here a few years back [only last year actually] that took the basic lewis bending formula and had a few boxes where you input the material, torque input, and face width, etc and it gave you aprox safety factors.
For those unfamilar with strength of materials and the like, it was a very good resource.
Let me try to find it...
Edit: Here it is...
http://www.chiefdelphi.com/forums/at...3&d=1137918029
Thank Matt Adams for that one!
__________________
-Travis Covington
2008-2017 - Engineering Mentor of
Team 254
2001-2008 - Engineering Mentor of
Team 968
1998-2001 - Mechanical Director/Driver/Member of
Team 115