I googled, but nothing. what does it do? Pump water? Electricity?
Rob - Va
Here's a drawing of the key components of the Wirtz bike. I may have left
> out a check valve or two. The key to its success is the Wirtz alternator,
> which in this case is a double-chamber version that serves two hose coils,
> one on either side of the pedal asssembly. Basically one coil receives
> water while the other receives compressed air, and then it flip-flops.
>http://home.earthlink.net/~clanl/wirtzbike.gif
>
>
>
>