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As I showed the drawing to insulate the heat inside along with a part of displaces the cylinder inside to avoid heat loss and run economically. To regulate the speed of stirling engine, you can regulate the height of the flame with the regulating knop in the same way as you do with a kerosene...

Your engine run so well. 😊 Tried to run fast with heat on side of displacer cylinder as the drawing shows?

With water tubes such as the Smithies/Stuart steam boiler is effective to boil fast. Same principle as the Babcock & Wilcox boiler. Most effective is Yarrow boiler, but need attention to keep eye on the water level and the steam engine need water pump to feed the water in the boiler. About...

Not a good idea to have a big pipe in the middle with other small pipes around the big pipe. Mostly all the heat is released through the large pipe instead of through the other small pipes. In other words: Great heat loss. I has boiler with 31 smoke pipe 8 mm pipe in total length 4,8 meter...

Important of all one can think of when making a boiler for the steam engine: How high is the pressure and how much should the boiler deliver per minute to operate a steam engine of a certain size. Larger heating surface can be achieved with several water pipes or a single pipe that is spun into...

I never painting the hot end of the stirling engne. The paint can be a hot barrier to transfer heat into the cylinder to heat up the air. And if need more hot, the paint will burn away.

It was stupid, .. better to send the part that is incorrectly cast and get the new part. Contact your dealer.

Bend cast iron is not common, measure first if it's enough material to work after the drawings. If not, heat up to glowing and bend straight carefully.

Use silver solder without problem. I did with the Stuart Steam engine block with fault measure of drill holes when I rebuild the non complete steamengine.

Here is this.. 5eunv.Model.Boilers.and.Boilermaking.pdf - PDFCOFFEE.COM

Click on here in post #3😊 "Download model boilers and boilermaking"

This method is not recommended. Calculate the thickness of the copper pipe/copper plate if roll to the pipe. Pressure testing with water inside with pump and manometer without the safety valve on boiler double pressure of the maximum working pressure. If use air or steam pressure, the boiler can...

Calculate the thickness of boiler first.. Read here.. Download model boilers and boilermaking

Here is the good tips.. Experience and tips stirling engine.

Googled and found the book :) The book Testing Machine Tools written by a Dr. Georg Schlesinger , See the size 57 about "Testing lathes".

Although the plate between the two tips shows that it is in order. There is something else with the lathe bed itself that is most worn from about the middle of the lathe bed and further close to the head dock that it results in the dial gauge as shown in the explanation in the youtube movie.

Take a check on the lathe bed and you will find that there may be wear on the lathe bed that it gives a measurement error on the test bar. Be sure the lathe is not twisted.

Information from SKF homepage.. Effects of bearing preload The primary beneits resulting from preload include but are not limited to: -enhanced stiffness -reduced noise levels -improved shaft guidance -compensation for wear and settling -extended bearing service life SKF tapered roller...

Yes, the lathe has 2 nuts to adjust the bearings. See the picture.. Can you imagine why we adjust the front wheel roller bearings until the roller bearings are slightly preloaded on vehicles? Yes, because the shaft and roller bearings get hot and expand until the roller bearings run without...

Contaminants from turning work can get into the grease and interfere with the fact that it is a good maintenance to clean and re-grease every 5 years. You may be surprised when you disassemble and check what's in there. How old is your lathe now? Bearing manufacturers such as SKF and ***...