Thanks for the fleet response. I found a great illustration at http://www.muller.net/mullermachine/docs/ackerman.html. We definitely had negative Ackerman. Great Forum, I will be back!!!
We are manufacturing a three wheeled orthopedic scooter. As it stands, steering test show the inner wheel (on a left or right hand turn) turning in to a lesser degree then the outer wheel. What is causing this? Our tie rod mounts are not welded directly under or above the king pins. They are...