I have reviewed my P.E. book and my Mark's Handbook. dvd is right that this is rolling friction and not sliding friction since the wheels will utilize pillow block roller bearings. I am upgrading an existing working car design that another company built. Since I wasn't involved in this...
I am currently looking into designing a 4 wheeled car that will lift steel coils and transfer them to a different location. The following parameters are as follows:
Wt of Car w/Steel Coil: 125 kips
Velocity = 6 in/sec
Distance = 50 ft
Drive Shaft Dia = 3 in
Coeff of static friction (stl to...