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Steam pipe lagging

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steve williams 310/10/2011 20:38:12
28 forum posts
49 photos
Could any one please help .
I am close to completeing my marine engine & am wondering what I cam lag the steam pipes in, is there anything on the market.


Redpiperbob11/10/2011 05:58:51
avatar
92 forum posts
41 photos
Hi Steve
I use ordinary string.
Lag the pipe . put some cyno on it. then paint it white.
Bob
steve williams 311/10/2011 18:42:33
28 forum posts
49 photos
Good idea
Cheers Bob
Maurice11/10/2011 20:25:21
469 forum posts
50 photos
Hi Steve
I use strips of something called interfacing that I obtained from my wife's needlework box. I cut it into half inch wide strips, and wind it round the pipes. It moulds round the bends quite nicely if it is not too wide, and tends to cling to itself. When enough has been applied, I wind a length of thick cotton around it, with about a one eighth inch pitch (at 1/12 scale), and secure it. I then paint it with white artists' acrylic paint. The engine looks very impressive by the way.
Maurice.
Martin W12/10/2011 10:08:50
940 forum posts
30 photos
Hi
 
Are you going to run your engine on live steam? I had a friend who made a stationary engine and boiler with a super heater and lagged the steam pipe from the cylinders to close to the boiler. The string soon discoloured at the boiler end of the supply pipe and turned to a nice toasted brown colour. Whether his super heating was too effective I don't know but it may be something to bear in mind when using normal string and a super heater etc. I suspect a plastic based material would have dripped away .
 
Cheers
 
Martin
Stub Mandrel12/10/2011 21:38:59
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4318 forum posts
291 photos
1 articles
That's a nice engine.
 
I used ordinary cotton (not sisal) string painted with white humbrol enamel for lagging the exhaust pipe on this model:
 
 
but on the original they used black paint!

Neil
Ian S C13/10/2011 10:04:35
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7468 forum posts
230 photos
The white string looks more as if it is asbestos.
Another thing from the sewing room is bias binding, or the first aid box, cotton gauze bandage. Its often hard to find any material that does not contain synthetic additives. Ian S C
steve williams 320/10/2011 23:04:54
28 forum posts
49 photos
Thanks for your help guys
Im ging fo cotton string painted after reading your comments.
I have bilt a yarrow type 3 drum boiler which does have a supereater so I will keap it away from the s/heater outlet.
thanks all
Steve

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