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Your motor is around 2HP so I would go with the bigger one.

For a synchronous motor, you are correct. However, you will never see the synchronous speed of 1800rpm on a 4-pole induction motor - the rotor MUST turn slightly slower than this, in order to cut through the rotating field in the stator (known as "slip") which generates current flow in the...

Get a Square-D replacement switch (can get on Amazon) - there are many options - this link shows some of the more common switches and the options: http://www.hfwinc.com/uploads/specs/Square_D_Pressure_Switches.pdf

Funny, I just bought an oil-free compressor last night for $35 - a Lefoo (Husky brand) 20 gallon, that needs a new regulator (plastic adjustment knob stripped so you can't get any air out of the output). I put a tee fitting into the pressure relief port so I could add another hose quick connect...

Yes, these units have a hardened, smooth cylinder wall surface, correct? So if you hone through that, it's over. Plus you don't want the cross-hatch for the oilless unit, as the purpose of that is for the oil to sit in the tiny grooves and lubricate the rings in a conventional oiled...

Amazon has the Square-D pressure switches for very reasonable prices. There are dozens of different options as to port sizes, pressure on/off ranges, and so on. I would not buy one of the Lefoo Chinesium ones just to save $10-15 however. YMMV

Fan-cooled aftercooler, which is an option on the higher-end compressors. Search on this site, this topic has been discussed in detail.

For a 3HP Briggs & Stratton flathead engine that uses all aluminum parts and has 5/16" diameter bolts, the torque spec. is 15.5 lb-ft. So I would say 16-18 lb-ft range.

You should be good for another 23 years! Draining the tank regularly works wonders.

True, but for busting loose axle nuts and harmonic balancer bolts, 135-150 psi is going to work much better especially with an older impact gun. I have worked in a shop with a 2-stage compressor with this pressure range, and we used torque sticks to tighten the lug nuts which worked well. At...

Just because they have "faked" the analog gauge readings from the computer (even my 1996 Passat TDI did this - temp rose up to one point and sat there, never moving even a needle width) does not necessarily mean that they are using a switch instead of a pressure or temperature sensor - in most...

This is a great idea, but you have to go one step further - the separate high-level alarm power source needs to be from a separate circuit that the sump pump is on. If the circuit breaker or GFCI trips on the pump circuit, you still need power (moreseo than ever) for that alarm circuit. The...

It's a real thing! I have an old non-OPE propane tank that used to be on the neighbor's RV that I converted into a portable air tank about 15 years ago, and despite being used quite a bit, the air coming out still reeks of the odorant used in propane.

It's a leaky inlet valve on your second-stage cylinder. Pretty common issue - I've seen it myself twice. No clue on the white spray - I would start with removing that interstage check valve and looking inside to see how much white deposits are inside and go from there. If it really did ****...

I came here to say the same thing! I completely disassembled my 1941 Special Deluxe in high school, and the only place that I remember seeing them was to hold the headlight buckets into the front fenders. Had to go buy a special screwdriver ($$$ to a high school kid) to get those things out...

Whoa there! Propane tanks for forklifts deliver liquid propane to the vaporizer unit which allows the gas to expand first. You definitely don't have a setup for liquid there - what you have must have low-pressure vapor fed to it. There is a ton of online reading that you can do on this - I...

You can also do a remote air intake, with a section of rubber hose at the pump (to keep vibration from transmitting into the rest of the pipe and whatever it is attached to). That can be easier to do and more cost-effective than buying a silencer.

I do the same with my Harbor Fright helmet, since I only weld every few years or so.

There is a Quincy 325 that is a 2-hour drive south of the OP for $400, linked in my post above. Personally I would go grab that one. Pressure-lubed and with the optional spin-on oil filter too.

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