I’m considering simultaneously building 3 different devices:
With this approach we lower the barrier to success. Building a fusor is comparatively easy next to a superconducting polywell. I expect a fight getting down to 10e-08 torr, but I don’t expect trouble getting to 10e-03 torr. While I’m futzing with the vacuum, I can get the hang of operating a fusor. Valuable experience sooner.