miniVan wrote:
why would all these manufactures be going to IRS if live axle was so good then?
i can only see weight as being an advantage
IRS is good if it is done right but the trailing arm type of suspension is flawed because it does not take the roll of the car into account. When the car rolls the tyre leans. If you made it a double wishbone you can alter the length of the arms to keep the tyre flat to the road as the car rolls.
Chris wrote:
I also suspect it will suffer big toe changes as well.
The beam axle and the Minis trailing arm suspension both resist toe changes.
Obviously cheaper to make than IRS is.