Bi-Tech 612x series have models with 30 to 300 degrees of rotation - look at their datasheet.

The one I use in Cougar TQS are 60 degrees, the throttle axis in TQS don't turn all this, but around 40 degrees, the USB controller used, TUSBA are 14 bits, so the final resolution is somewhat 11 and 12 bits, more than sufficient for good throttle control.

BTW - Bi-Tech 612x have different axis diameter (OD) - for joystick application 1/8" will be more easy to use.