Windy was our best resource for DC air pumping. I recall brush wear, and other high voltage arcing problems. I remember using an AC air pump (simple magnetic coil) with a rectifier, also. Never heard from those customers again, so 'No news= Good News"?
R. Walters r...@solarray.com Solar Engineer On Jun 16, 2010, at 6:32 PM, Larry Crutcher wrote: > Greetings Wrenches, > > I am looking for a DC motor, oil-less, continuos duty air compressor to use > for a pond aeration system. Higher voltage DC preferred for direct PV module > power. I'm not sure how to calculate the pressure and volume needed but a > similar 120vac pump draws about 1200 watts and delivers about 9 CFM. I assume > that the same wattage DC motor would mean comparable air supply. Any > experiences out there? > > Thanks, > > Larry Crutcher > Starlight Solar Power Systems > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > _______________________________________________ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org
