[Bell Historians] restoration or improvement, was Bishopesgate
Andrew Higson
andrew.higson at 8oOkRBZWAZL4g9eBQ1u2AjgzUTKleeDBUt6YWQVN6rtaCEBRO9r5hfIZLSvyF8bSqRVhiV4n6eHrjHRuf5u_hThyyPYu5L9XYrg.yahoo.invalid
Fri Oct 31 10:47:37 GMT 2008
Not quite right, Alan.
Warners removed the canons at the previous re-hang in the early 20th
century - somewhat brutally it has to be said. The head of the treble
was so thin that we had it welded up for some peace of mind.
Andrew Higson
Taylors Eayre and Smith Ltd
The Bellfoundry
Freehold Street
Loughborough
LE11 1AR
Telephone: 01509 212241 Fax: 01509 263305 Registered in England No.
1352309
________________________________
From: bellhistorians at yahoogroups.com
[mailto:bellhistorians at yahoogroups.com] On Behalf Of Alan Taylor
Sent: 31 October 2008 10:38
To: bellhistorians at yahoogroups.com
Cc: J.Adams at sf8Tqb6hALwvt74XZZOUAHZMExA1AZ1Vp6FVJs3NiMF3tlXLhC1pjKp0J4YTYhu4WQw4wXzMF0wxiho.yahoo.invalid
Subject: RE: [Bell Historians] restoration or improvement, was
Bishopesgate
The cannons were removed when the bells were re-hung in the 1990s.
As for the rest, a faculty will have to be sort and no doubt all will be
discussed within that process.
Alan
________________________________
From: bellhistorians at yahoogroups.com
[mailto:bellhistorians at yahoogroups.com] On Behalf Of Bickerton, Roderic
(SELEX GALILEO, UK)
Sent: 31 October 2008 10:25
To: bellhistorians at yahoogroups.com
Subject: RE: [Bell Historians] restoration or improvement, was
Bishopesgate
If it is to be welded, there is still an issue as to what is repair and
what needs conserving.
Should sound bow wear be filled?
If so there will be some change of tone and pitch.
Should mining damage associated with crown staple removal be filled and
the crown accurately re drilled?
I believe technically it is possible to replace the cannons, if it is
possible to obtain the information necessary to make a decent replica.
Its been noted the casting has some flaws, should areas of holes or
porosity be cut out and built back?
Should it be slightly re tuned?
Its a bell presumably has a full tonal analysis, as it has an exact
frequency quoted.
I would guess a tuning expert would be able to say where a few extra mm
of metal could be added during the welding to make tuning give a much
better outcome.
It could well be that the area where more metal would be desirable is
where previous tuning attempts have been made, making addition a
restoration rather than an improvement. 'Would it matter if the tuning
had been attempted by the founder or many years later?
SELEX Sensors and Airborne Systems Limited
Registered Office: Sigma House, Christopher Martin Road, Basildon, Essex
SS14 3EL
A company registered in England Wales. Company no. 02426132
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