[CR]Bilaminate- changing definitions

(Example: Framebuilders:Pino Morroni)

Date: Sun, 23 May 2004 10:19:04 +1000 (EST)
From: =?iso-8859-1?q?David=20Benson?= <bensondoc@yahoo.com.au>
To: CR <classicrendezvous@bikelist.org>
Subject: [CR]Bilaminate- changing definitions

It seems to me that we the meaning of 'bilaminate' has evolved over the years. As I see it, Claud Butler probably coined the term to describe their process of sleeved and fillet brazed costruction, as described by Hillary Stone in C+. When I spoke to Tom Ritchey about his similar frames last year, I understood that this was also that process that Tom used.

More recently, among English framebuilders, 'bilaminate' has become a synonym for 'brazed, soldered or glued-on frilly bit'. I would be surprised if this usage was accepted during the forties & fifties- 'bilaminate' would have been taken to mean a Claud Butler.

Notwithstanding the current usage of the term, I suggest that in the context of this forum, 'bilaminate' should refer to sleeved & fillet brazed Claud Butlers, and perhaps to frames made using the same process, such as the recent ebay Ritchey. Tangs and lug extensions are 'fiddly bits'.

David Benson Auckland, New Zealand, where the fact that my Holdsworth Whirlwind is apparently festooned with fraudulent and non-structural fiddly bits in no way detracted from my enjoyment of a colish autumnal morning.

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