Thanks for all the positive remarks.
This will not be used in competition, but it does actually shift. The problem is part strength and plastic spinning on plastic creates a melted pile of plastic.
Nick 222 will only be attending Boston and possibly Championships.
We have been making these transmissions since we introduced our three speed in 2004.
This year we are experimenting with springs outside the transmission rather than having them directly on the shifting plunger shaft.
squirrel you are correct that is a cutaway of a 3x5" tube.
Enjoy this video:
http://www.youtube.com/watch?v=rj6naPPiQOw