Side View Geometry

1. Yes, we can compiletely prevent the rear spring from extension during braking. This sis possible if the rear suspesion is designed for 100% anti-dive condition(i.e. el=Hd).

2. In front wheel car the weight of the engine is on the front wheels, so in order to ensure proper handling weight transfer should take place at the rear fot the good traction of rear wheels. Owing to these requirment, the anti-squat is kept in between 30-40%. This amount of anti-squat ensure the spring can of transferred load and no excess load is being put on joints and suspension links.Also there is no excess travel of spring which can reduce ride quality.

3.Given: h=500mm; l=2600mm; brake bias =35%

Soln: Anti Dive % = e. l. Øb/ h. d.

0.30= e*2600*0.35 / 500*d

e/d= 0.165

i.e. tanΘ = e/d=0.165

∴ Θ = 9.36°

4. In order to have good impact performance, the wheels should recede. This will help the wheels take the impact load rather than opposing the load when hit by an obstacle. This will increase the performance as the maximum amount of load is carried by the receding motion of the wheels.