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Noted for future dream shop build: Makinex 32kW Generator

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Hohn

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This little unit is epic. 32kW, dual Hondas and 480v/3ph output over 30a at 480V.

1780599699830.png

If I ever get a chance to build a proper shop, it will of course require 3 phase power and rather than the massive expense of permanent 3ph to the shop , this sure seems like a great option even at the heart-attack-inducing price tag of $23k.

Plus, once you die, your kids can sell off the generator and recoup some.
 
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LXCam

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PCustoms said:
Can't be sure, but maybe makinex?


I like how it's set up to be pushed around with the two handles. Bet it's awfully heavy...
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I bet it is too. In theory that’s dual 25hp engines. I’d be interested in how they are driving the generator or if it’s two units in parallel.
 
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larry_g

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At that price I'd sure want to compare prices to a fixed unit, PTO generator, or a large rotary converter. Even consider a military surplus unit.

lg
no neat sig line
 
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larry_g

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www.makinex.com

Generator 32kW 480V - Makinex USA LLC

The Makinex Generator 32kW 480V Range is a robust, powerful, and reliable solution for providing power to equipment, tools, and welding.
www.makinex.com www.makinex.com
Above is the home for this unit. After looking through the documents it seems it is 2 generator units in the frame that can be either run separately or run in parallel for the 480 v power.

lg
 
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matt_i

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I don't think thats a prime viable alternative to dodge the utility cost to provide 3 phase AC power to a shop. Constantly fueling it and firing up an IC engine every time you want to run a machine (?) Sounds like a huge drain of time and fuel cost. Imo that is where a phase converter is a better choice...you flip a switch....use single phase to synthesize your 3 phase power. Granted this strategy relies on the continued viability of the utility and so might not be on the ultimate prepper shop list.
 
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mike93lx

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OP
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Hohn

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mike93lx said:
So hear me out...

You want Honda power and 480v?

How about this:
https://www.ebay.com/itm/1168438643...1q&stype=1&var=&widget_ver=artemis&media=MORE

Plus this

Under $10k total and 2x the output. Plus air conditioning and a radio

You're welcome
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80 KVA should do it.
Any suggestions on how to mount the alternator to the Fit?
 
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Hohn

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matt_i said:
I don't think thats a prime viable alternative to dodge the utility cost to provide 3 phase AC power to a shop. Constantly fueling it and firing up an IC engine every time you want to run a machine (?) Sounds like a huge drain of time and fuel cost. Imo that is where a phase converter is a better choice...you flip a switch....use single phase to synthesize your 3 phase power. Granted this strategy relies on the continued viability of the utility and so might not be on the ultimate prepper shop list.
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Certainly not a universal solution.

But to be clear, we're not talking about "getting 3 phase to your home shop." We're talking about 480V three phase. That's an entirely separate discussion. If you live in a residential area, your line transformers max out at 240V across two 120V legs that are 180° out of phase.

Which is why I'm forced to run my 3 phase compressor project on a VFD at only 240v. And why that VFD has to be a 10hp rated unit for only a 5hp motor.

My compressor running natively on 480V/3ph would pull a mere 7a FLA.


There are lots of bargains on some truly incredible and expensive machinery to be had that simply is off the table for most home gamers because of the 480V requirement.

I do agree that if you only want 240V three phase, then a there are better options than a very expensive generator.
 
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matt_i

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Hohn said:
Certainly not a universal solution.

But to be clear, we're not talking about "getting 3 phase to your home shop." We're talking about 480V three phase. That's an entirely separate discussion. If you live in a residential area, your line transformers max out at 240V across two 120V legs that are 180° out of phase.

Which is why I'm forced to run my 3 phase compressor project on a VFD at only 240v. And why that VFD has to be a 10hp rated unit for only a 5hp motor.

My compressor running natively on 480V/3ph would pull a mere 7a FLA.


There are lots of bargains on some truly incredible and expensive machinery to be had that simply is off the table for most home gamers because of the 480V requirement.

I do agree that if you only want 240V three phase, then a there are better options than a very expensive generator.
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I'm still uncertain about 480vac being some kind of magic wand. I have probably 20 machines in my shop, almost all of which used to be hooked to 480vac before I got them which are now running extremely happily on 240vac.

It's not that I did something special either. The OEMs recognize that their machines are more desirable/more sales if they can easily be converted to run on either voltage. I think it might have started around the 1950s, so the concept is a road extremely well-travelled.
 
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Hohn

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matt_i said:
I'm still uncertain about 480vac being some kind of magic wand. I have probably 20 machines in my shop, almost all of which used to be hooked to 480vac before I got them which are now running extremely happily on 240vac.

It's not that I did something special either. The OEMs recognize that their machines are more desirable/more sales if they can easily be converted to run on either voltage. I think it might have started around the 1950s, so the concept is a road extremely well-travelled.
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It's not. for most machines, they will run on 240 as well as 480 and just double the current draw. And if that's a guy's usage, then of course 480 isn't worthwhile.
But in my fantasy shop, 480 vs 240 is the difference between a 400a welding or a 300a welder, so of course we have to have 480.
And solar/hydro for...projects.
 
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matt_i

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A Miller Dynasty 400 (amp) is on my dream list. But only needs ~90A on 240vac single phase. Not trying to poke holes in your dreams but rather to find a way mortals could come close 👍. The key is to let the transistors do the talking 😆
 
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