New Roof Increase Gas Mileage by 43%
Normally I average around 9 mpg with the motorhome. A few days ago I got a new roof. You can read all about it by clicking here to view the discussion. Since getting the roof I have traveled abou...
Forum Discussion
Artum Snowbird wrote:
I have heard of that too... one other fellow wasn't as happy as you though. He said they put the roof on back to front and got 25% less for mileage. The installer said he couldn't tell the difference and wouldn't fix it!
lol
True story. A fellow Grad Student and I built a scale model of a Clipper Ship ("Herald In The Morning.") to test in the MIT Tow Tank... long story.
Bottom line, the technician operating the tank towing mechanism noted that there was less drag when returning the model to the head of the tank for the next run.
It actually had better performance going astern than ahead! (It had no rudder or other appendages.)
PS We did not win The Great MIT Boat Race of 1975 anyway.
