[modeleng] Re: unknown thread
- From: "alanjstepney" <alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Sun, 17 Oct 2004 00:36:01 +0100
There was a series of Admiralty threads that were 20TPI. I wonder if it
might be them.
Perhaps the plumbing was done using ex-Admiralty parts, or maybe they came
out of the back door of one of the dockyards.
I don't know what they do on the preserved railways, but I would imagine
that they have to make replacements for any fittings required.
alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
www.alanstepney.info
Model Engineering, Steam Engine, and Railway technical pages.
----- Original Message -----
From: "Clif Walker" <clif.gwr@xxxxxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Saturday, October 16, 2004 9:02 PM
Subject: [modeleng] Re: unknown thread
HI All,
As I mentions in a previous message I seem to have gone back to work doing
some Plumbing.
Just my luck the job that I am working on has got Screwed Copper pipes all
over the place which I think stopped being used in the Thirties.
The threads are 20 TPI so there are absolutely no matching pipe fittings
these days to join onto it.
So that I can make connections onto the stuff from modern metric pipe, I am
now having to make adaptors with threads cut in my Lathe .
So hows that for an up to date Plumber.
I have a feeling that on Locos threaded Copper is used so how do the
preservation people get on or do they have to thread cut as well?
Regards
Clif
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