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that's a great "puzzle motor" - I wonder, if you were to double the length of the rods holding the pistons, leaving the pivot where it was, you would have a series of outward moving pistons that could move in and out of a larger ring which could be a pump, a second source of power, or just an...

I still have some ingots of Babbit metal but I'm on the wrong side of the ocean. for older machines with babbit bearings, it's common to repour them yourself. there are books and books about this.

Given our weather here, I would love for a parade to be rained on, and I'd go and parade these things around the block of that would bring a gentle rain.... ;-) That said, these may be chasers, they may be shop made from something else, in a shop that didn't have a way to grind in a rake angle...

photos tell the story - these are from a friend's estate - I've decided I'm out of room, they need a new work bench to sit on. sizes are: 3-56 (2 of these) 8-36 4-48 5-40 8-40 I am pretty sure that these are from the UK, and pretty old, but you be the judge. $36 for all 6, or if you want...

I am reasonably certain you can by the flexible inserts, though I douibt that they are made of rubber (or latex), there are a lot of the couplers on ebay, I even have an odd one listed there that is MT2 on one end and 1/2 inch shaft on the other end... no idea what that was originally for

what you want is Lovejoy couplings, they are much better built, and at least here in the USA not expensive at all. lovejoy couplings

what I will add to the carbide discussion is I have what is a "small not rigid" lathe by industrial standards, but it weighs about 1200 pounds and is massive by the standards of these little lathes you can lift with one arm. I use carbide a lot, it will cut though mill scale and surface...

that lathe looks to me like a watchmaker's lathe, look them up to see how they differ from what you probably need. However, watchmakers with years of skill did and do still make watches using a lathe like that. You probably want a more conventional lathe - watchmaker's lathes are valuable...

great answer - the key is the objective, which is only incedentially to produce little anvils and is actually to learn a skill. The same reason I'm trying to program an FPGA to do something - I have no need for an FPGA to do anything importaint (now) but I want to know why it's so hard.... (and...

why not use the one you are holding in your hand for a pattern, use a silicone mold agent and make a mold of it, then cast a plastic copy whcih you can modify with a different logo if you want, then repeat making a master mold of the modified copy. you can make several, put the spru in place...

why not use a BBQ rotisserie motor to turn the rotor? cheap, modest RPM, 100% duty cycle

I was explaining why I am emotionally allergic to Romex, and then, quite fortuitously, on another machinery related forum, this appears - the damage is from squirrels that found the wire to be quite tasty apparently. Consider this a warning provided by hyperspace rodents if you like, eschew Romex.

if you are disappointed with a premium tool, I would think you owe it to yourself and to the company to complain and give them a chance to make it right. it may be still worth giving them a chance, what does it cost you - 10 minutes to write an email and ask for their help? Personally I have a...

Wow, "English as she is spoke" an amazing book for those with a certain kind of warped sense of humor

RE MT and relationship to center drills - there is no relation, other than if you are using a tiny center drill (say 1/16") and your tailstock uses an MT5 (e.g. a huge lathe) you would use an adapter to get to an MT1 or 2 size so you could mount a small chuck that could actually hold the little...

ok, on my air compressor specifically, it is a Quincy (I don't remember the model #), it's an industrial unit with an oil pump and gauge, 80 gallon tank and I have it set for 160 psi, it will deliver about 21 CFM at that pressure if I remember the specs correctly. It does not get annoyed or...

using romex is much much better than using zip cord (the cause of my friend's fire, pictured upthread, was assessed by the fire department to be electrical, he had a substantial amount of zip cord outside and over a few decades the insulation cracked and probably a rat had something to do with...

here is a schematic of how the thing has to be wired if it is a three coil motor (two run, one start), the start capacitor will be electrolytic, the run capacitor will be typically oil or at mylar. the run capacitor will have a microfarad value of single digit or low double digits, the start...

Ok, I think I can start on a diagram, but not tonight. That terminal strip makes things more confusing. We have an AC induction motor, capacitor start, capacitor run. I see green for on and red for off, is there a separate fwd/Rev switch? I presume the switch yiu showed is mechanically...

I am speaking from second hand exprience - I sold a bunch of treadmill motors at one point in time, as sold they had inadequate cooling and were ok for an occasional use drill press but certainly not for a lathe or mill where they would run for an hour or two. As for CNC motors, I don't have...