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No rush Eric

that would be awesome

Does yours look the same as picture 4? I can't figure out how the air gets mixed in. Eric

Which one? the Airco or the Sievert?

Then there is this one. I guess I would need to add a regulator/hose.

Yes, I am aware there is more to it than just the torch, but locating a suitable torch seems to be the first hard part. I can also get a "weed torch". Just trying to get a decent torch somewhat inexpensively while not wasting money. I know the run-of-the-mill plumbers soldering torch with its...

Is this propane torch suitable for silver soldering a 3" diameter copper boiler? I am concerned about picture 4, it doesn't seem to mix propane with air here. Considering buying it used online. It's an "Airco Propane Torch" Thanks, Eric

without pictures it does not exist. :) Eric

I think you forgot something...:)

3X on too slow spindle speed. Also you should back the drill bit out a few times during the job to allow the chips to clear. Ease up the pressure just before breaking thru.

Judging by the pic in the first post, I think the o-ring belts could stand to be a little tighter. Eric

How do you know the thin rod is straight to begin with?

I built up a crank with lock tight and tapered pins. I didn't leave much clearance (slip fit)? I assembled the crank on the one piece shaft then cut out the center shaft afterward. The crank shaft is in the pic.

A DC motor will produce much more torque at low speed than an AC motor. In order to do it at a predictable speed you need feedback from the motor to the drive. Few low end DC drives or motors have provisions for this. A DC motor with feedback and a matching drive would be the cats meow for a...

All I am saying is an AC motor will have better speed regulation than a DC motor, assuming neither has feedback to the drive.

Almost all VFD's accept both single and 3 phase input, and all are 3 phase output. If you connect a 3 phase (input) VFD to single phase, you need to derate it by 30%. In other words, a 3 HP VFD can only run a 2 HP motor if it's connected to single phase input.

http://www.youtube.com/watch?v=gPA6kHWjUlw

I have the same lathe and also put a VFD and 3 phase 1/2 HP motor on it. I love it. The DC motor conversion is not as good. No torque at low speeds and poor speed control at all speeds (slows down a lot under load compared to a AC motor and VFD) VFD stands for Variable Frequency Drive The...

Yeah they are idiots. Unfortunately, today's youth feel just as immortal as the youth from the generations before them. Most young people don't start thinking right til they are 25. This is not new to "today's" youth. We just didn't have video cameras to record (and broadcast) our stupidity back...

Excuse my ignorance. What is an optical wiggler scope and how does it work? Whatever it is, nice job so far. :)