Engines > Restoration of Model Engines

Help needed to identify vert steam engine

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vtsteam:

--- Quote from: john mills on December 18, 2023, 09:11:17 PM ---Hi
I have one similar to repair it does not have a feed pump  but the problem is the sight glass i a bent piece of glass tube which is intact
but it seals to the boiler are rubber bushes with i have not found suitable replacement they are well and truly perished.
John

--- End quote ---

O-rings won't work?

john mills:
No O rings wont work the part where the glass goes is quite thin the original was soft rubber a stepped bush possibly 6-8mm long through only the sheet
metal shell of the boiler with a small metal clamp plate to help hold the bush in .
  John

vtsteam:
John can you freeze a piece of suitable rubber and turn/sand a stepped bush while cold?

Or make a plaster of Paris mold using a turned wooden pattern and pour a silicone bush?

vtsteam:
This Carette engine is nearly identical with mine, except for the fact that it has reversing gear, and there is more black paint on the lower portion of the cast iron base. The bottom legs on mine are red.

Otherwise the base casting is the same with the base ring and little decorative hold down fastener nubs and the four larger functional bolt down bosses. The boiler feed pump is the same, with the same two screws to adjust its position, every other detail of the cylinder, valve works, bracketry, piping is the same.

Missing parts for mine, shown in the photo, are all the valve handles, and the adjusting weight for the safety valve.

So I do think mine is a Carette engine.

Jasonb:
I wonder if the worn/damaged holes could be drilled out and a boss fitted with something like JBWeld as it will take the pressure and heat that is likely to be seen at the top of the boiler and would avoid any possible damage from soldering.

Handles could be done from Ebony, look at pen turners for small square section lengths or a plastic like Corian would also machine up nicely. Weight should be easy enough to make.

It does look to be a variant of the one you show, I expect they offered it in various options and the reverser was the next option up from yours. I have wanted to make one of these boilers complete with engine for some time but not sure when I will get round to it. The Ernst Plank "Excelsior" is one I like the look of the engine or I may go for the type that has the crankshaft at the top of the engine supported on two columns.

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