How does the Hurst shifter work?

When the designer finished, his head exploded.
:violent2:

Not to hijack, but an interesting little thing about an engineer. I used to work on pinsetters in a bowling alley. Talk about a complicated machine! All mechanical, nothing computer controlled. Just mechanical stuff & electrical switches. The guy who taught me how to work on them told me that the guy who designed them went crazy a couple of years later. Seems like he might have said it took the guy 5 years or something like that to design/perfect them.