Totally doable. You can think of the fusee as just a multiple-turn cam, where the spiral is pushed out-of-plane into a 3rd dimension, forming a helix. And as Ether brought up the other day,
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.
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