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I bought the engine today for 400. I got the two year warranty for 10 bucks. Not sure if its any good but I might be able to run the dog [censored] out of it in two years and see what happens. I got a hold of the alternator manufacturer. Its a niehoff N1375. 2000 rpm is peak efficiency, 75-76%...

Originally Posted by mk378 24 volts at 140 amps is 3.4 kWe, which would require at least 4.4 hp from the engine assuming 100% conversion efficiency. This proposed "light load" is actually near the rating of that little engine, so expect to run it to rated rpm. Yeah thats why I am leaning more...

Originally Posted by spasm3 I think the predator engines are straight shaft, a lot of generators need a tapered shaft. Investigate your generator head before you buy an engine. I am going to belt drive it, its a 28 volt alternator, not a generator head. spline shaft, will take some adapting.

I was thinking about the K&N because its reusable and lowers long term costs. I will be using this a LOT. most likely 1000+ hours a year. I do have a moisture trap but is there a way to passively filter the well gas?

My best guess, clogged float needle from bad gas/sitting or possibly the fuel cap isn't breathing.

Just got an idea and had some questions. I live off grid with free natural gas. My NG is free but the well has limits and if I use to large of a generator, it sucks water out of the well and pressure drops. I have an excellent high efficiency inverter charger that handle some pretty huge loads...