On a recent thread regarding bus wiring, ATS' and the proper type of wire to use in a coach, mention was made by Sean of a 120VAC cooling fan could be used more effectively than low voltage DC fans for cooling the generator head. My genset has its radiator for cooling, but I wanted to supplement that with additional cooling on the gen. head.
That reminded me that I had exactly that little project on my list. However, a search of Grainger and other vendors has not revealed a suitable direct drive squirrel-cage fan that fits the bill. All of the ones I find are less than 1HP, but still have a 10 - 12 Amp rating. That seems rather high for what I am trying to accomplish and I'm not sure I want to sacrifice that many amps on a single 30A leg:
1. To put an immediate stabilizing load on the generator.
2. To pull air into my inverter bay and blow air onto the generator head for cooling.
Can anyone suggest specs such as HP rating, CFM, Amp rating, etc. for a suitable fan for this purpose? Or maybe you have solved this one before and can recommend a make and model.