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One good source of info is the book by Michael Porter " Gas Burners for Forges, Furnaces & Kilns" isbn 1-879535203 Dave

I needed some sort of test boiler to run a pair of engines I was building for the model of the W.T. Preston. A stern wheel snag boat that removed snags to navigation in the puget sound. It was retired in 1982. I did not have the vessel boiler it was with the vessel at the builders house. I also...

Onshape.com it is free fro the hobbest

What do the numbers 7/10 8/10 etc mean. I see the box jelly fish is a 10/10 Dave

OK sit down. Looks like you will need 2 cutters for the tooth counts you are looking at. 32 pitch #5 $60.26 and a #3 60.26 from McMaster-Carr.

You have not provided enough info. You can get gears with a PD of .750 in 7 different diametral pitches, 24,32,48,64,72,80,96. You need to provide DP and number of teeth. Dave

Please tell us more about your CNC conversion of the Myford. Dave

You can find info in your machine here. http://www.lathes.co.uk/linley/ Dave

Your local welder supply house is your best source for good quality silver brazing alloys. You can also get the two types of flux that you will need, there is white and black. The black is for working with higher temps. You can also get good propane torches and propane. Do not use oxy- act for...

Look at Myford lathes at lathes.co.uk That will answer a lot of your questions. Dave

SS does not make a very good cylinder liner. You would be better off with cast iron or bronze. Dave

Put your part in the vice. load your probe in the spindle. Go to the probing page and tell it to find center of a round boss. After complete Dros are set to 0,0 , done. Oh wait you have a manual machine use an edge finder as others have suggested.;) Dave

I hope it is just the angle of the photo or you have not fitted it yet, but I do not see a safety valve. It is a good looking boiler. Dave

I've spoken with Jim via Skype several times about model engineering. Very nice guy, he will be missed. Dave

In a word NO that machine is not a good choice for what you would someday like to do. It is too small and light duty. For it's size it is over priced. For building engines you do a lot of lathe work. If you are in a Euro country there are a lot of small manual metal lathes available. Get one...

John I have a machine that looks just like yours. My down feed is graduated to .001" so one of the first things I did figure out a vernier scale and print it on one of my printers. Just taped it to the machine but now I can dial in .0001". Dave

Have all your safety gear on when you do that because there is a good chance that bad things will happen when hot metal hits cold wax. It normally take several hours in a burn out oven to remove all of the wax from a flask. Metal is generally poured into the flask with vac assist and the flask...

If you do not have the equipment to burn out for investment casting there is another way to do it. Do a search on Lost Foam Casting. You make your pattern in foam. Then you add risers and sprues. You place your pattern in a container of fine loose sand with a tall pour cup to give extra head...

I use nuts and bolts from these folks http://rtlfasteners.com/ and these folks http://www.americanmodeleng.com/index.html Both have good pricing. I used close to 100 nuts and bolts for this set of engines in a stern wheeler. https://youtu.be/QEYhOBMRTHU Dave

That is going to be a very hard broach to make in the home shop. I have all the machinery that it would take to make one but I would not want to. Just sharping it after heat treating would be a real job. I expect if they are sold by some one that they are very expensive but it may be cheaper and...