[Mg-t] Gas line replacement

[PopeyMike at aol.com]

Here Hear Here Hear:
 
What a great analysis and how very true.  
 
Michael Balahutrak
53 TD
 
 
In a message dated 6/12/2010 3:11:57 A.M. Central Daylight Time,  
clive.sherriff at ntlworld.com writes:

It is  possible that they might have used some low temperature braze rod.   
Have
to admit that I somehow doubt they used silver solder, because it has  a 
high
pure silver content and a price to match.

MG accountants  would never sanction that!

Having said that, brazing these fittings is  easy if you have the experience
and skill, and it is a much easier  production process to produce many
identical items in sequence on a  dedicated jig set up as production line 
by a
capable brazer, than it is to  set up one in a vice (or propped up against 
the
coffee cup and a wrench) as  we amateurs tend to do for a one off  job.

Clive
=================================
-----  Original Message -----
From: David Lodge
To: Clive  Sherriff ; Dave and Liz DuBois
Cc: mg-t at autox.team.net
Sent: Saturday, June 12, 2010 5:17 AM
Subject: Re: [Mg-t] Gas line  replacement


Hello Clive and  all,


I find this interesting because on  the TC it would seem that all brass
to copper joints are brazed, e.g. carb  overflow pipes, oil line from block 
to
head, lines to and from filter,  etc.  Explanation?


Regards, Lodge,  TC 1704, in dreary Vancouver

--- On Sat,  12/6/10, Dave and Liz DuBois  <ddubois at sinclair.net>
wrote:


From: Dave and Liz DuBois <ddubois at sinclair.net>
Subject: Re: [Mg-t] Gas line replacement
To: "Clive Sherriff"  <clive.sherriff at ntlworld.com>
Cc:  mg-t at autox.team.net
Date: Saturday, 12  June, 2010, 4:21


> You can  braze, but the silve solder has a lower melt point than
brazing rod and you  are less likely to melt the end fittings.
Since brazing requires heating the surrounding metal to  a
temperature that will melt a brass brazing rod, the brass nipple will  melt 
at
the same temperature.  This is a case where silver solder  would be the
material of choice (I have always used straight plumbing grad  soft solder 
and
have never had a problem.

> Dont forget to put the nuts on the tube, and the right way  round,
before fitting the nipples!

Now who would ever be dumb enough to forget that :-[

Kind of reminds me of the job I had back in the  dark ages right
after I got out of the Navy assembling electronic photo  flash units.  These
were the big studio units that used Amphenol  connectors to attach the 
lights
to the power supply.  Said connectors  had a screw on ring to secure the 
plugs
in the sockets and I was forever  getting the connectors completely soldered
and assembled, only to find the  securing ring still on the bench.  I 
finally
made a concerted effort  to always remember to slide the ring into place 
BEFORE
soldering the wires  in place and assembling the plugs.  After much work and
concentration  on my part, I got it right every time I assembled the plugs,
only to have  the boss come around a bit later and say, "you know, those
securing rings  are really not necessary on thee plugs, just leave them off
from now on"  :'(
Cheers - Dave
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