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I can find many tables which suggest the appropriate drill size to use when tapping a thread into a hole, but I cannot find any information on what diameter I should turn a rod down to when I wish to use a die to run a thread onto the rod. For example, I wish to thread a rod 3/8" x 24 UNF. What...

Here are some photographs of some felts I put on the front of the carriage of my lathe to stop chips being trapped between the carriage and the ways. I made these using magnetic rubber cut from fridge magnets - the local real estate agents keep up a supply of these to my mail box along with all...

How do you cut a thread close up to a shoulder? With a lathe, the width of the tool stops you cutting a thread right up to a shoulder. Using a die, all the ones I have, have a tapered entry both sides so that when the body of the die meets the shoulder the cut thread is 2-3 mm back. Can be...

Does anyone know of a simple CAD program (preferably free) that could be used to make simple drawings of simple engines by simple people? All that I have looked at are fine if you want to draft the complete plans of the Titanic, engines and all, but are a bit too complex for the sort of engine...

I picked up a GMC scroll saw at my local hardware emporium for $49.95. (How do they make these things so cheap. It must cost that much to freight it from China) Decided it was just what I needed to cut small parts from brass and aluminium. Only problem was that I could get repacement...

I wanted to build a steam engine I could bolt into the 'guts ' of a Meccano model. The boiler will be separate and connected to the engine by some soft copper tubing suitably lagged just like the real thing. Using all Meccano compatable parts will let me assemble the engine in different...

Where do most people get their metal supplies from? I am mainly looking for small lenghts of brass rod and plate to use in my mini-lathe. I have tried scap merchants but it is a bit hit and miss as to what they have in their bins. I also tried hobby shops but they tend to stock...

Just a nook at the end of my garage. Have a Sieg C3 7x14 lathe,drill press and lots of hand tools. Also quite a bit of electronic test gear, signal generators,oscilloscope etc. The big red cylinder on the wall is the ducted vacuum cleaner system. Handy with an outlet in the shop to suck away...

I plan to build a small steam engine of the oscillating type to fit into Meccano models. I have on hand some brass tubing with an 8.8mm (11/32") bore which would make an ideal cylinder. Is there any rule-of -thumb or data tables which would tell me the following: With a cylinder bore of...