I had this very same question,
![Huh? ???](http://www.myswag.org/Smileys/classic/huh.gif)
I asked my son in law, and he has made me a spread sheet to help give me the answers I wanted.
I had to give him some information so he could then work on the moments as he called them. (actual moments created rear and resisting moments with a moment check) I have no idea what this means but it sounds technical.
![1st Place :cup:](http://www.myswag.org/Smileys/classic/icon_cup.gif)
So I now have spread sheet to help me work on my new project I would like to do.
![Cheers :cheers:](http://www.myswag.org/Smileys/classic/cheers.gif)