Show wheels for vehicles attention has been called by cal writers to the fact that the wheels of vehicles intended for driving roads have not kept pace in development with the other parts of carriage mechanism exper ments with heavy ve hides indicate that wheels should be made both h gher and broader in england it has been recommended that with a maximum axle load of eight tons the width of t re should be about ten and a half inches increase of the diameter of the wheel is said to be more effective in preventing damage 0 o roadbeds than width of tire |