On Tue, Apr 17, 2007 at 04:51:29PM -0500, Kali wrote: > > On Tue, 17 Apr 2007, Karel Kulhavy wrote: > > What computer are you using? I am building an exercise bike generator and I > > want to connect a PC or laptop to mitigate the unhealthy lifestyle connected > > with computer-based occupation. > ...I was talking about an old 486 VESA bus no-name, but I think the go > would be a laptop so that its battery would act as a UPS between pedal > strokes. > > > > At the moment I have a 60W SEIG (self excited induction generator) from an > > ordinary 60W three phase asynchronous motor, which can light a 60W light > > bulb > > (though not full shine) when powered by an electric drill. > > CL< > ...Amazing! I built just such a rig many years back. I did not know that > you called the generators SEIG, even after doing years of research work on > them. see http://www.flowtrack.com.au > The biggest problem I had was that the pedal generator had a horrible > speed/torque curve and tended to go through excitation/de-excitation > cycles as you pedalled harder and softer. This could be sorted out by > either having more flywheel on the cycle, or by fiddling the generator > voltage with a transformer or star/delta rewire if possible.
How does your Flowtrack controller work? Do you have multiple capacitors that are switched on and off to change the excitation capacity? CL< _______________________________________________ links-list mailing list links-list@linuxfromscratch.org http://linuxfromscratch.org/mailman/listinfo/links-list
