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["WILLIAM JONES" <billj AT harborside.com>]

Robert Walton wrote:
> I googled, but nothing. what does it do? Pump water? Electricity?
It's a bike that runs on compressed air, or is just assisted by it, for 
getting up hills.  Wirtz is most famous for his water pump, but there are 
vague references to a Wirtz engine, which is the same as the pump, except 
that instead of pumping when you turn it, it turns when you pump in air and 
water.  I've had to back-engineer the whole thing, having found nothing 
online myself.  There are other ways to skin this cat, alternately supplying 
air and water, but I just used the good ol' air-displacement water 
pump.http://www.marcdatabase.com/~lemur/rbt-scoopwheel.htmlhttp://lurkertech.com/water/pump/tailer/