secobarbital
Member
I created a "Route Energy Estimator" at http://RVTripPlanner.com/planner - it is in "beta test", but seems to do a pretty good job per my own testing. We'll be integrating weather into the calculations (wind, temperature), which should make it even better. I have also posted charts/tables/spreadsheets for range-vs-speed, electricity costs and other stuff at http://RVTripPlanner.com/calcs.php - let me know how your actuals vary with the predictions.
I believe you meant EVTripPlanner and EV Calculations