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Dampfzauberer
Steam Legend!!
Joined: 11 Jul 2007
Posts: 3025
Location: Hamburg, Germany
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 Posted: Fri Oct 23, 2009 6:36 pm Post subject: |
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Don't try to flare the tube, it will break!
Believe me, it will...
I think you have two options:
1.) making a new cap
2.) silver solder a sheet of brass on the inside of the cap and drill a new whole (in the correct size)
So you can solder it eaily and steam tight.
IMHO you don't need to polish out the small scratches.
That's the bottom of the boiler, and after a few steamings it will be black again anyway (and scrathces invisible)
You shouldn't overpolish it because this can make the material thinner 
Again, that's just what i would do....
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....."Remember: It's Bi-Mon-Sci-Fi-Con"..... |
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Nick
Steam Supreme Being
Joined: 15 Dec 2007
Posts: 9334
Location: Minnesota, USA
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| Posted: Fri Oct 23, 2009 6:39 pm Post subject: |
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Mirko, you beat me to it!  (See my edit)
I didn't realize how much larger the hole would have to be before it is round again, and I don't want to mess things up by flaring the flue.
It will be easy enough to just make a new endcap. |
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Burnmafingers
Full member
Joined: 27 Jul 2009
Posts: 854
Location: Devon UK
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| Posted: Fri Oct 23, 2009 8:11 pm Post subject: |
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Wow, you are obviously fully committed to getiing this one going 
Good luck! |
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Steve_S
Steam Legend!!
Joined: 26 Aug 2006
Posts: 5135
Location: Leeds UK
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| Posted: Fri Oct 23, 2009 10:32 pm Post subject: |
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| I think I would try Mirko's second suggestion. If it doesn't work out you can still make a new endcap, but the old one will probably be be a better match. A new one will look new. And there seems to be a brass collar that fits around the base of the chimney so that would hide the repair. |
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Caprice
Junior Member
Joined: 27 Jun 2009
Posts: 129
Location: Stockholm, Sweden
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| Posted: Tue Oct 27, 2009 9:12 pm Post subject: |
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| Steve_S wrote: | | I think I would try Mirko's second suggestion. If it doesn't work out you can still make a new endcap, but the old one will probably be be a better match. |
+1 That way you save more of the original, and since it's the bottom cap it won't be so visible.
Possibly also the solder will fill out the "gap"so it doesn't make a difference when it get "soted" after a while? |
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yussufhippo
Forum Newbie
Joined: 30 May 2009
Posts: 94
Location: Konstanz Germany
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| Posted: Wed Oct 28, 2009 4:48 pm Post subject: |
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What size is the boiler? I think I have the same engine and could send you photos pus measures of the original burner.
Really, a sorry sight to see, but I respect your committment. But this is what Maerklins deserve, don't they??
All the best |
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