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Well, the math didn't work out like I expected. I settled on choosing a calibration and driving to see if I was over or under. I settled down on 440 as the number. At this point its splitting hairs with the GPS. Seems to be either a half a MPH under to half a MPH over depending on speed.

My calculations didn't work out perfectly. I'm going to get to the bottom of this and update the post accordingly. Mine was 356.

Your max load is actually around 105%. The green line is 100% under most conditions. One of the idiosyncrasies of these sets. You should be fine. They are tested to run in desert conditions.

For one the LPW4 engine on the 803 is ~1,800cc. The engine on the 003 is ~2,300cc. That itself isn't a predictor of power output but I can say the higher rotating mass of the larger engine will certainly help it handle surges better. I haven't done formal measurements but from looking at the...

MEP003 > MEP803. I own both. The MEP803 is a great unit and a beast in its own right but a good running MEP003 will run rings around a MEP803. ESPECIALLY in handling surge loads.

Its rated for 20HP on 3ph. Should work fine with a MEP803.

I hate to be the bearer of bad news but we don't have any technical info on the inverter itself. That is something a number of us here on the forum have wanted to find in an effort to facilitate repairs to the inverters but that has been an unfulfilled desire.

You will want to have the rotor tested for insulation integrity. At a minimum do a HIPOT test. I'll be surprised if it is OK.

I agree that the on forum search is lacking. The biggest issue is its minimum string length for searches. With all the short acronyms the militiary used for stuff it makes finding posts with MEP or ECO HUB challenging. Many times I have to resort to doing a google search limited to...

You can see how I solved the problem here - https://www.steelsoldiers.com/threads/cat-3116-engine-speed-sensor.203541/

Any recommended source for 22.5 wheels that may not break the bank?

You can find people testing them in grid-down situations. They do not perform to their nameplate when running from battery alone. Seems they are optimized for parallel operation where the utility handles inrush currents. When running straight off battery they can trip offline when a heavy...

Please dear god, not a solark. Anything but one of those.

Or you could go with the 10xx series machines that can parallel out of the box. By the time you do all the work to make an 80x generation machine do it, you've already paid the price difference to get 10xx machines.

And by complex it means replacing parts. The 802 or 803 shouldn't be paralled in their stock form. The voltage regulators as an example aren't designed for parallel operation and would have to be replaced with one that was designed for it.

That could explain the sudden disappearance of MEPs from the auction sites.

I had that happen on a Camaro. Rotor exploded and made a real mess.

You can browse fleabay for parts. The other option is to become a supporting member and post up a wanted list in the classified area. Some parts are generic and easy to find but some are not. If you need a relay, those are pretty cheap. Need gauges or one of the larger multi-contact switches...

I was able to find this one from the cross reference table of the NSN on digikey https://www.digikey.com/en/products/detail/orion-fans/OA172SAP-11-1TBXC/2620942 Has anyone bought one?

Has anyone successfully replaced the cooling fans on a MEP831 with something other than the OEM? I've been doing some searches and fans in the 150mm aka 6" range that fit are not that common. I'm in need of a couple at the moment.