Trevithick Dredger Engine- Supports
These are the boiler supports for th Trevithick Dredger Engine, which need a little more finishing.
As you can see my CNC mill is working nicely. The slow feed rate is because the brass is just super glued to the mounting base and I did not want to risk it coming adrift.
And I have also been working on the 6″ vertical boiler. The brazing with silver solder is almost finished. I have been redoing some of the joins, and can now get the pressure up to 200psi. There are 101 soldered joins in the construction (so far), so I am not too upset that a few of them were not perfect and required a redo. SWMBO was wondering about the bills from the industrial gas supplier. I have used several fills of oxygen. Totally abandoned acetylene and using propane now. It delivers more heat (at a slightly lower temperature), and much less costly.
Your boiler design looks great are the plans available to purchase I am building my first stationery engine a Stuart twin victoria and would like to build a boiler for it.
Hi John, I modified plans for a 5″ boiler, because I had some 6″ copper pipe. If you wish I can send you a pdf of the 6″ plans. The 5″ plans were published in “Model Engineer” about 30 years ago. I can get the exact reference if you wish. The 5″ would easily power your Twin Victoria. John
Yes I would like the modified plan a PDF would be great.
send me an address John and I will send the plan.
My address is
40 Hutchins Cres
PS I am enjoying your journey with the boiler projects.
John, I meant an email address.