Yeah, my mention is actually a work around to that rotating joystick, as I'm aware of the issues with those as well. Years ago when I had my custom arcade stick built, those sticks were on my list of wants, but then between me and the builder, we came up with the plan "B". Tron works the same way as all those games, it just uses the flight stick to move, and the spinner to rotate, two rather common arcade parts.
Those original sticks combined the rotation and movement all in one, which is of course where problems came from(and limited releases). The only real issue is that the flight stick would need two separate action buttons, as one is for fire, and then a secondary one for grenades, etc. I believe Tron only had the one action button, and of course there is the learning curve of use, but I believe this set up is better than those original spinner sticks as you can move and rotate faster with this configuration.
Yeah, you would need some form of fire on the stick if you went with a spinner. Frontline was mentioned, and that game got around it by allowing you to press the spinner to fire, but I doubt you can find one of those because that really didn't catch on. And it also is only a single button (it had a separate grenade button which was fine because you used those so infrequently in that game).
The problem to solve is you have three functions, moving, turning and firing (grenades and gun). You obviously don't have three hands, and the emulator solution of using two buttons for left and right rotate isn't ideal because it lack precision and the ability to quickly spin around (and in Victory Road make use of the sword very difficult to deflect projectiles). A two button flightstick is an option with a spinner, but the best option is the original implementation - however both require specialized parts that are not readily available for arcade cabinet builds. Parts manufacturers really don't make specialized parts like that anymore since the arcade market really isn't big enough anymore to justify it on a mass market type basis. I also wonder how you would really get it to work with a USB pad converter like I-Pac - though I guess you could wire it to the spinner.
You could try to salvage it from old machines, but the problem there is those sticks were very prone to breaking and losing their "clickiness".
Then again, the Star Wars controller was really specialized as well, and Arcade1up made that happen (at a significant premium), so hope is not lost. And Ikari machine would definitely not generate as much interest as a Star Wars one though.