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The taps I use are from a smaller company here in Canada about 25 miles from home. Taylor Tool makes all sizes up to 4" & 90mm and the quality is first class. I do all of their grinding and turning spindle repairs which lets me get a good look how its done. They also have cnnections to other tap...

This problem faces those of us who work alone in our shops, and we are not as fast as we used to be reacting to a hazardous situation. Dropped a rotary table on ones foot, tripped on the edge of a fatigue mat and fell or worse. The MRO magazine this month has a battery operated alarm unit that...

tatooed_machinist, you play Jeopardy. Give us the answer and we come up with the question. Ed

I have sent a personal Email. Ed

To the Tinfalcon, thanks for the lead. I am headed for down to PA. to visit a friend near Allentown. I will be able to stop in to see them on the return trip since Wellsville is a minor detour off the Mapquest routing homeward bound. This is great. Regards Ed Miles

I have been wongering where you guys buy accessory parts such as water level gauges, pressure gauges, small valves, piston rings and other items. The only two sources I have found is Coles and Little Machine Shop. I have bought from both of them but found problems with our Canadian Customs Dept...

Unfortunately my main concern is the third quarter GST return. This is one of those government things that we all have to take care of regardless of which side of the border you live on. The only difference is the name of the tax. Ed

What grade of copper sheet, and what thickness do you use. Boiler (vertical) dimensions of the unit that I have the drawings for does not state this. They only show the outside diameter of 6 1/8" and the length is 12". The drawing is essentialy to scale and the wall scales out at 1/8" thick. Is...

Boiler tubing listed on some drawings that I have, call for 1/2" and 3/8" tubing. What methods or tools do you use the straighten out coiled tubing so it will be equally spaced through the boiler length. Ed

bronson, I am over in Stratford which is a little more than an hour away. Had to make a trip up to Tiffany Metal, on Tuesday to pick up a 5"x5"x36" cast bar of ductile iron for making steam engine cylinder blocks. I have a shop here, if there is anything I can be of help just ask and we will see...

John, ball bearings would never stand up to 350,000 rpm even if you had ABEC9 bearings with ceramic balls and rings at a price only NASA could afford. Normally the bearings for that kind of speed are Hydro Static bearings which are plain bushings with oil feed under preasure so the shaft never...

John, the bearing number from Koyo is F695-ZZ and from NSK it is the same Bore 5mm, O.D. 13mm, Width 4mm and Flange diameter 15mm with two shields. Maximum speed with grease is 43,000 rpm. Your only possible problem will be the age of the bearings. The shelf life of the grease in sealed or...

John, the accident injury from spinning a bearing with air is because it was not mounted in a housing that would hold the thing together. By the looks of the pictures, the bearing you are using is small. If you could give me the number, I can give you a maximum speed range in grease. We have...

Which type of bearings are preffered by model steam engine builders. Most of the plans that have been listed on the board are plain bearings or Oilite type bushings. Is this a case of, that is what the drawing calls for, or is it a norm for building small steam engines. Right now I have two...

There is a very old saying that says "A clean bench is the sign of a sick mind". If that be the case, I guess we all have very healthy minds and preffer to stay that way. Ed

Alex, that is a good all in one chart for you shop wall, or tool box. Print it off, a couple of copies are in order so you can always find one of them. Ed

Drills come in four basic size groups. Fractions, Letters, Numde and Metric. Are your drawings Imperial or metric. If they are Imperial system you would be using number drills and if it is Metric you need metric drills. Your best source for decimal equivalent sizing would be a Machinery Hand...

Most of us root through the goody bin with the aim of finding something that is the closest size to what we need. Some education would help us all. For me, I started out with HS tool bits and played with hand ground shapes till one worked. Carbide inserts are also now a mystery as to which one...

Rick, forgot to thank you for the info on Little Machine Shop. I ordered 3 of the 39X4 six inch backing plates and they should be here the first week of August. I avoid the UPS Broker gouge by delivering to a friend in Detroit and he brings them up when he is here on business which is about once...

Hal, a correction the width should be 0.626". Regards Ed