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Filling traction engine boiler

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fizzy26/05/2018 19:57:25
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1860 forum posts
121 photos

I am in the midst of designing a 2" scale boiler for a customer who wants to build a traction engine (his own design). The drawings I have on file typically show a plug in the (smokebox) boiler end plate, but to this day ive never seen anyone fill their boiler this way. Is this now a redundant item?

Chris Barry26/05/2018 20:16:34
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43 forum posts
18 photos

If it’s at the bottom I would guess it’s the front tubeplates washout plug.

C

JasonB26/05/2018 20:19:10
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25215 forum posts
3105 photos
1 articles

It's an MJ thing, they like the big hole at the top of the tubeplate you could do without it, none of Hainings 2" ploughing engine boiler shave one or the 2" minnie.

Paul Lousick26/05/2018 23:42:38
2276 forum posts
801 photos

Fizzy,

Plugs in the firebox tubeplate are access holes for washout and inspecting the inside of the boiler.

Model steel boilers in Australia require one at the lowest point of tthe firebox and one above the tubes. (Not sure about the requirements for copper boilers but would advise to do so). Water fill points are normally at some other position.

Paul.

fizzy27/05/2018 12:58:45
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1860 forum posts
121 photos

Thanks - definately intended to add water - decided not to install.

MichaelR27/05/2018 16:07:47
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528 forum posts
79 photos

The front tube plate (smokebox) on my 3" scale Marshall has the washout plug at the top, I use it for a hose pipe connection, the position allows you to blast all the gunge off the top of the firebox crown. Mike.

Edited By MichaelR on 27/05/2018 16:09:31

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