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Post by tomtomgo on May 30, 2023 7:42:18 GMT
I am currently painting a 5" gauge "Sweet Pea" loco and as I have the saddle tank off I was wondering if it would help reduce the effect of the boiler heating the water in the tank by sticking a foil heat shield under it?
I have not had any injector issues using the saddle tank so far but then I haven't run the engine all day long on a summer day yet.
Cheers,
Tom
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Post by ettingtonliam on May 30, 2023 7:50:09 GMT
It might not be a problem if you regularly top up the tank with cold water. Still, some lagging under the tank can't do any harm can it?
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Post by 92220 on May 30, 2023 15:34:18 GMT
Hi Tom.
You would do better putting a sheet of ceramic fibre 'paper' under the tank, rather than a foil 'heat shield', which wouldn't insulate anyway. A 1/8" thick sheet would insulate the tank almost completely. It is available on Ebay at very reasonable prices and even though it is far eastern made, it works just as well as the UK made 'paper'. It is called 'paper' but is just a well compressed fibre blanket. I have tested it by lifting a large saucepan of boiling water off the cooker hob, by hand and it just felt warm. Not even hot.
Bob.
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Post by tomtomgo on May 30, 2023 15:39:30 GMT
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Post by andyhigham on May 30, 2023 18:16:39 GMT
In summer it helps to leave the water running through the injectors
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Post by 92220 on May 31, 2023 7:58:39 GMT
Hi Tom.
Yes. That's the stuff. Ceramic fibre is a superb insulator.
Bob.
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Post by tomtomgo on Jun 9, 2023 14:52:33 GMT
Hi Tom. Yes. That's the stuff. Ceramic fibre is a superb insulator. Bob. Thank you for the suggestion! |
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