Here are the numbers...
Total distance travelled: 1895 miles
Gallons used: 75.4 gallons
Average MPG: 25.13mpg
Cost per mile: $0.09
If I just calculate the highway mileage only...
Distance: 1791 miles
Gallons: 69.5 gallons
MPG: 25.76mpg
Had some severe headwinds between Ardmore and Wichita on the way up. Spirited driving between Wichita and Ardmore on the way back dropped my overall mileage as well.
The next mod on the plate is building the new structure fer the wheel pant which will include a cover plate fer the swivel wheel clearance opening. Once I fab up the structure, you'll see how much more robust this design will be and it should hold up to any washboard road.