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  1. I

    MEP Generator Output Waveforms and THD

    mep-831a is the cleanest by far, since single cylinder I'm sure that's why they decided to use an inverter...its a shame they are a pita, I am looking to buy one on sunday fully working for $800 (hopefully) and was curious the THD if/when I am forced to swap out the inverter but if it is going...
  2. I

    MEP Generator Output Waveforms and THD

    11.8%!!! oh lord thats worse than my harbor freight predator 9000 at full load (9.6%), we now know what not to plug sensitive devices into haha...very much appreciate you taking the time to do this I wanted alot of this info for awhile now but only have an 803!
  3. I

    MEP Generator Output Waveforms and THD

    The 803 should be a bit better than the 802(probaly only noticeable under a load as no counter magnetism slowing down motor under no load), what causes the distortion is the engine slowdown/speedup inbetween powerstrokes of each cylinder so generally the less downtime of a powerstroke the more...
  4. I

    MEP Generator Output Waveforms and THD

    Perfect and thanks for the results, I figured the 831a would be the cleanest with an inverter and the dirtiest without one since single cylinder engine, however when you get time can you post the 831a under a load aswell as that is obviously when the distortion matters, 3-4% is pretty typical on...
  5. I

    Mep831a conversion time!!

    I'd be curious also to see the harmonic distortion after this is done, generally single cylinder generators produce very dirty power (since the speed can only be maintained once every 4 revolutions) which is why inverter generators are nice because they are very clean power, if you happen to...
  6. I

    Mep831a conversion time!!

    Can you update with total cost when you are done as well pls.
  7. I

    20kw Generator

    Understandable some dude messaged me like 5 mins after posting said he would be driving 1 hour to come get it on saturday so marked it pending lol
  8. I

    MEP 803A in 1/2 ton pickup truck bed ?

    If he is like me this is how I got mine home then just used a 4x4 spanned across like 6 rafters in my garage (with 2 upright 4x4's on each end) and used a come along to pick it up off my truck by about an inch and just drove out from under it and just ratcheted it down onto blocks
  9. I

    20kw Generator

    Just sold my 20kw natural gas generac (0591-0 model) for $1200 on marketplace (obv didnt come with transfer switch or installation) starting to think I sold it too low because it was gone within 15 mins of posting for asking price.
  10. I

    mep-803a coolant temperature sender

    I am happy to report the new sender is spot on with temp gun and working properly...also seems the Faria 127338 and the JLG 91143314 are the same part? Pics below from old (Faria 127338 ) and new (JLG 91143314) senders. Just leaving this data here for the next person searching for one.
  11. I

    20kw Generator

    It's funny you say that I'm currently working on an auto start using an esp32 which will also monitor status (similar to the one klopp made I believe) I haven't quite worked out all the details yet but I'm thinking of making a sort of battery tender which will also send a signal to the...
  12. I

    20kw Generator

    I was actually considering buying one of those $150 electronic speed controller kits on ebay for my 803a just to test it out, the reason you ask...none I just like testing things.
  13. I

    mep-803a coolant temperature sender

    I bought 3 originals from 3 different sellers and had the money refunded each time then bought 2 of the universal ones that stated they had the correct values and they all read about 40 degrees too high, finally today I found an exact replacement to the original so I figured I would share the...
  14. I

    MEP-803a starting Capability

    Copy that, while I have an 803a I don't have a motor that large to test it but I am sure someone here does and hopefully they see this thread and can get you the info you need my friend.
  15. I

    MEP-803a starting Capability

    I don't want to speak above my knowledge but there are videos on youtube of the conversion and a few threads on here on how that would be possible, I know it was touched on here very recently https://steelsoldiers.com/threads/3-phase-to-single-phase-step-down-transformers.215605/ , also I...
  16. I

    MEP-803a starting Capability

    If that is mainly what it will be doing I would suggest the mep-804a (15kw 3 phase) simply for the fact you get 5 more kw at a fraction of the cost of an 803a (usually about $2000 ish dollars less) Do note that the 804a (without converting it) is 3 phase only If you can find a decent 805a (30kw...
  17. I

    CAD model for 3D printed CS6369 twist lock receptacle cover.

    Fit great for me right out of the printer, snug but not super tight, so it works rather nice...pleased with the outcome of both mods for sure, the bracket is very robust with 6 walls and 50% infill...am able to push/pull the entire generator just by the plug (on casters) without the plate even...
  18. I

    CAD model for 3D printed CS6369 twist lock receptacle cover.

    Final results, very pleased looks great with @Digger556 Cap! 3D print files as well as step files for modification/printing can be found on printables
  19. I

    CAD model for 3D printed CS6369 twist lock receptacle cover.

    Have to make a backplate and retainer for mine, designing so no additional holes need to be made we will see how it comes out...
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