Quote:
Originally Posted by Ether
One nice feature of a cam is that, with a little math, you can derive the equation for the spiral so that the torque required to drive it remains constant as it is pulling back the arm. Then you can use that equation to cut out the cam.
|
Or, you could derive the equation so you gained mechanical advantage (and torque) as you wound back. It takes more force to stretch the surgical tubing at the end than it does at the beginning.
For another type of release mechanism, use a doorknob or gate latch.