Affect of trailer weight on mileage
First off, I know some people get irked about mileage questions. But some of us just want to know these things. I put on a lot of miles towing, and a significant decrease in mileage adds up. Fuel ...
Forum Discussion
A few years ago the Caterpillar Company had an excellent document on Coach / RV performance..
Factors affecting performance / fuel mileage
Driver
Route selection
Vehicle speed
Weight
Frontal area and coefficient of drag
Grade
Climate / ambient conditions
Fuel
GVW or GCW
Idle time
Tires
For example, they say the difference between the best and worst drivers can be as much as 20%.
Vehicle speed above 55mph becomes a huge factor. The horsepower needed to overcome Air Resistance increases as a cubic function of vehicle speed.
Factors affecting performance / fuel mileage
Driver
Route selection
Vehicle speed
Weight
Frontal area and coefficient of drag
Grade
Climate / ambient conditions
Fuel
GVW or GCW
Idle time
Tires
For example, they say the difference between the best and worst drivers can be as much as 20%.
Vehicle speed above 55mph becomes a huge factor. The horsepower needed to overcome Air Resistance increases as a cubic function of vehicle speed.
