Join Date: Aug 2018
Location: Lowell area, MA
Mentioned: 3 Post(s)
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Like jkingrph, I have an EU2000i, and I made an external 6-gallon tank setup for it, using an outboard engine tank. It's a nice way to get the best of both worlds. The portability of just the EU2000i is great if you are OK with the 4-10 hours claimed for a tank, depending on load (1/4 load, to full). And I can hook up the external tank for power-outage use at home, for about 28-70 hours.
Note that typical open-frame "contractor" generators are different functionally than inverter generators, which tend to be the small, suitcase-style ones. Inverter units can produce cleaner electrical output, and they can also vary their RPM based on the load. My EU2000i will go down to 3000 RRM (99cc 4-stroke) with no load, up to 4400 RPM will a full load, or 5000 RPM in an overload situation. A traditional generator must always run at 3600 RPM, regardless of load, to produce the proper 60 Hz power. So some fuel benefits come from this ability to slow down the engine under a lighter load, and also probably you might be able to use a smaller engine. If locked at 3600 RPM, my 99cc engine likely wouldn't produce enough power to make the full 2000W.
jkingrph, the one time I needed to use it so far, I put my external tank up on top of a 5-gallon bucket, to help the generator draw from it. It shouldn't have been necessary, I think I failed to prime the line properly on my first attempt (when the engine stalled after 15 minutes or so), and I may have had the internal tank's fuel level too low. But for attempt # 2 , I raised the height of the external tank, and it ran smoothly after that.