Reply #3: Because I have to work with what I have.

[TheMadMonk]

The throttle is built into a ring which slides over a lengths of pipe, which in turn slips over a braided rope. It is actuated by a thumb tab The magnets inside the throttle (one either side of the hall device) are the physical end stops. Their just ain't anywhere to put a pot, short of a complete redesign and rebuilding of the hand grip. Putting one elsewhere brings up safety issues.

No amplification of the signal from the throttle appears necessary, I'm getting a 3.15 V variation in output between zero and full deflection. My problem is that at zero deflection (hands off) I'm getting a signal of 0.95 V when ideally I want 0 V. My other problem is that my analog knowledge is 20 years old, and woefully limited anyways, since I was always far more interested in logic circuitry.