The Unofficial Mamod and Other Steam Forum

Wallace · Posted: Mon Jan 28, 2008 7:45 am Post subject:

That's about all it does Les

That's if it doesn't burn first, as mine was half scorched
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Nick · Posted: Mon Jan 28, 2008 7:45 am Post subject:

The sponge actually looks to be the cleanest part of this engine.

Les · Posted: Mon Jan 28, 2008 7:45 am Post subject:

CCairns · Posted: Mon Jan 28, 2008 1:34 pm Post subject:

Both the SP4 & SP5 have a dimple in the baseplate at the bottom of the chimney, and a small drain comes out from the side of the chimney base.

If you look closely at Erik's photos you will see this drain just below the left edge of his boiler.

However when running mine there is very little if any of this condensate which actually drains out, so I have to remove the chimneys, wash the sponges and clean up inside.

The SP6, SP1 & SP2 have a non-functioning chimney, but they are still removeable after a fashion. I'd like to get my exhaust piped on the SP6 to the chimney, as it currently just makes an oily mess of the baseplate under the cylinder assembly.

erikl · Posted: Mon Jan 28, 2008 6:30 pm Post subject:

Nick · Posted: Mon Jan 28, 2008 7:34 pm Post subject:

Maybe the sponge does work then. Someone did say that very little water makes it to the sponge, so it may have just kept that part dry.

erikl · Posted: Mon Jan 28, 2008 7:35 pm Post subject:

Here you have it:

not realy a fair picture, because I already started sanding. There are realy tons of rust comming off from it, but underneath it there's still good metal.

There are a few pits in it however, from earlier restoration I know that those will be visible after repaint. Anyone ever tried "plamuur" on a baseplate? (I don't know the proper english word for it, but it's this stuff: http://www.alabastine.nl/_images/_visual_Doe-het-zelf_plamuur.jpg )
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Nick · Posted: Mon Jan 28, 2008 7:42 pm Post subject:

No rust at all under the sponge.

erikl · Posted: Mon Jan 28, 2008 7:46 pm Post subject:

Nick · Posted: Mon Jan 28, 2008 7:48 pm Post subject:

That would work excellent if the sponge was wet with oil.

Minor1PJG · Posted: Mon Jan 28, 2008 9:02 pm Post subject:

That's amazing Erikl

The incredible preserving sponge

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erikl · Posted: Tue Jan 29, 2008 8:08 pm Post subject:

the baseplate(s) and firebox front already got some les paint/rust on them:

My little friend the dremel helped a lot too

I'm now out of sanding paper, but I hope to have these parts ready for paint in a few days.

I got to do some more drilling on the front of the boiler, these didn't come out yet:

But I wouldn't like to use a too big Drill bit and demolish it with that.

I've just mailed a few companies to ask for the spares.
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Les · Posted: Tue Jan 29, 2008 8:11 pm Post subject:

Looking better already, won't be long now.

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Nick · Posted: Tue Jan 29, 2008 8:13 pm Post subject:

Are the rivets just spinning? Looking great!

erikl · Posted: Tue Jan 29, 2008 8:36 pm Post subject: