[RE-wrenches] PV solar powered pond aeration compressor

[Larry Crutcher]

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