will brass work

will brass work

This topic has 6 replies, 4 voices, and was last updated 12 November 2013 at 11:01 by Ian S C.

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9 November 2013 at 12:23 #134996
michael burton 1
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@michaelburton1
hi will brass work as a slide valve material just i have a big block of brass that i can use the cylinder is cast iron so will brass work at the mo i cant afford to get any differant material so would rather use what i have??????

also were would engineering plastics come in to use could you use somthing like acytel or delrin…………… this is just a courious question

the model is only going have minimal use

atb mike
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9 November 2013 at 12:23 #6949
michael burton 1
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@michaelburton1
9 November 2013 at 13:09 #135001
JasonB
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@jasonb
For light use Brass will be OK though a bronze would be better. You could always silver solder a thin piece of bronze onto a brass block, if you cut a hole in teh bronze first then that will form the cavity in the valve.

J
10 November 2013 at 23:29 #135205
nigel jones 5
Participant
@nigeljones5
hi..if your not planning on powering the national grid with it brass will be just fine, in my experience avoid plastics, they do bad things when they get hot!!
11 November 2013 at 11:30 #135229
Ian S C
Participant
@iansc
With a cast iron cylinder, steel could be used, but cast iron is better. Stuart Turner use bronze on engines like the S 9, and I presume their other engines too. Ian S C
11 November 2013 at 19:14 #135268
nigel jones 5
Participant
@nigeljones5
Ian…totally agree that brass isnt perfect but it will last plenty long enough as a d-valve
12 November 2013 at 11:01 #135318
Ian S C
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@iansc
fizzy, true. I tend to over engineer thing, even when it not needed. Ian S C
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