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RE: Dual temp and oil pressure guage

To: "Peter C." <nosimport@mailbag.com>, "Spridgets@Autox.Team.Net" <spridgets@autox.team.net>
Subject: RE: Dual temp and oil pressure guage
Date: Wed, 21 Dec 2005 07:31:37 -0000
Thanks Peter,
That sounds do-able. Something for the holidays perhaps.
I wonder if Christmas pudding brandy would do instead of ether?


-----Original Message-----
From Peter C. [mailto:nosimport at mailbag.com]
Sent: 20 December 2005 23:21
To: Guy Weller; Spridgets@Autox.Team.Net
Subject: Re: Dual temp and oil pressure guage

At 05:02 PM 12/20/05, Guy Weller wrote:

>The thin tube between the temp sensor bulb and the dual gauge on my 71
>sprite has fractured and let al the substanceout.
>Can these be repaired?  Is it a shade-tree mechanics DIY at home job?
         This is from another list from 01/26/04.  Should help. All
misspellings are those of the author.
Peter C.

To: midgetsprite@yahoogroups.com
From "robbatley" <robbatley at yahoo.co.uk>
Subject: [midgetsprite] Re: Dual gauge

The capilary type temperature gauge is filled with technical ether
used to be available from a chemist (drug store!) (may be able to use
acetone of swift start - rapid start the calibration may be out but
should be able to get boiling point correct) the assembly is soldered
together empty a +-1mm hole is driled in the botom of the bulb and
the ether injected into the bulb leaving a small amount of air in the
system a tapered brass pin (available from clock makers) is then
driven into the hole to seal it then imerse the buld in boiling water
and see that the gauge responds correctly you may need to pull off
the needle and replace it at the correct temp ie boiling point once
satisfied the taperd pin is cut so +-1mm protrudes and soldered with
low melting point solder this needs to be done very quickley and then
rapidly cooled to prevent the gauge overranging and stretching the
bourdon tube (terminal) you can use minus 40 spray to freese the bulb
before soldering and thus use regular solder.
Good luck

Any questions please feel free to contact me.

Rob Batley

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