Hi Rick,

I've attached a file that I developed that works very well in my planning.  Feel free to change the parameters as you see fit.  Note that fuel burns are based on running lean of peak during cruise.  LOP cruise setting is somewhere around 16 gph at 65% power.
Let me know if you have a particular insights after working with your version of the model.

Hal Woodruff
IV-P at 160 hours and coming out of interior shop today.