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Single to 3 phase VFD

There any easy way to test the worthiness of the tank? It's dated 1969. Usually not much moisture here, but who knows of the tank is fine or near schwish cheese.

Tanks I've seen rot out have just had pinhole leaks, but always the rare chance the thing blows apart and kills a bus load of bald eagles.

Have a 60 gallon vertical compressor but this big pump would make it crazy top heavy. It's probably 3-4x what the Husky home jobber pump weighs.
 
AKnate said:
There any easy way to test the worthiness of the tank? It's dated 1969. Usually not much moisture here, but who knows of the tank is fine or near schwish cheese.

Tanks I've seen rot out have just had pinhole leaks, but always the rare chance the thing blows apart and kills a bus load of bald eagles.

Have a 60 gallon vertical compressor but this big pump would make it crazy top heavy. It's probably 3-4x what the Husky home jobber pump weighs.
Click to expand...

Hydrotest it with a pressure washer.
 
AKnate said:
Have a 60 gallon vertical compressor but this big pump would make it crazy top heavy. It's probably 3-4x what the Husky home jobber pump weighs.
Click to expand...
Mount the pump on a skid near the tank and run a longer supply line from the pump to the tank. There's no law that says the pump has to be mounted on the tank.
 
larboc said:
Hydrotest it with a pressure washer.
Click to expand...
To what pressure? The tag I think says 400 psi (may be wrong, going off memory).

There's no drain at the bottom. Someone welded in a pipe near the bottom on the front, not sure if it was for a drain or what.
 
Guessing it's supposed to go inside an enclosure of some sort??

The wire lugs aren't protected whatsoever.

20240626_141047.jpg
 
Figured.

From the pics, i had in mind this thing was like outlet sized :laughing:

May get a "soft start" one that doesn't need an enclosure instead, dunno.

The connections are just coarse thread Phillips screws. I guess have to crimp on eyelets.

Will be able to test the compressor I guess and go from there. Was like $150.

The instructions are laughable.
 
AKnate said:
Figured.

From the pics, i had in mind this thing was like outlet sized :laughing:

May get a "soft start" one that doesn't need an enclosure instead, dunno.

The connections are just coarse thread Phillips screws. I guess have to crimp on eyelets.

Will be able to test the compressor I guess and go from there. Was like $150.

The instructions are laughable.
Click to expand...
FYI the Vevor brand NEMA boxes are legit. Nicer than name brand and WAY cheaper.
 
AKnate said:
Figured.

From the pics, i had in mind this thing was like outlet sized :laughing:

May get a "soft start" one that doesn't need an enclosure instead, dunno.

The connections are just coarse thread Phillips screws. I guess have to crimp on eyelets.

Will be able to test the compressor I guess and go from there. Was like $150.

The instructions are laughable.
Click to expand...

Pretty much all VFDs are designed to be mounted in an enclosure.


And pretty much none of mine are. :laughing:
 
[486] said:
maybe that'd fix the teco one I've got that died

I babied that fucking thing, maybe some rain would fix it
Click to expand...
I put a little piece of cardboard over the top vents because it was getting mill scale inside, figured that might extend the life a bit.
 
bgaidan said:
Pretty much all VFDs are designed to be mounted in an enclosure.


And pretty much none of mine are. :laughing:
Click to expand...
They make for a cool light show when a piece of swarf finds it's way through one of the vent holes....Then they tend to quit working lol.
 
wait those ain't got the square washer

bet the screws ain't got the mashed end and eyes are the right way to go
fuck the li'l forky terminals
 
[486] said:
wait those ain't got the square washer

bet the screws ain't got the mashed end and eyes are the right way to go
fuck the li'l forky terminals
Click to expand...


I've used thousands of forks without issue.

Funny thing is I'm usually fixing burned wires from idiots trying to wrap stranded wires around screws.... :laughing:
 
Go full on 1920s and strip off 2" of wire to wrap up into an eyelet to be tinned solid
 
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