The torsion bar then twists along its axis to provide the spring force.
The difference in position between the opposite ends of the torsion bar controls a valve.
A large, thick hair pin makes a good torsion bar.
Each time you remove the pick, you must release the pressure on the torsion bar and begin again.
The key to the rotary valve is a torsion bar.
It also connects to the top end of the torsion bar.
Suspension was independent all round using torsion bars at the rear.
They also plan to add a second torsion bar at right angles to the first.
The result is a shoe created with a torsion bar embedded in the midsole.
The front axle was connected to its torsion bars by cable.