[Healeys] lost parts

[Oudesluys]

What is the difference between International or French metric, other 
than that the French ( and the Japs) use some odd sized threads like M5, 
M7, M9 etc. ?
Kees Oudesluijs



Op 3-10-2011 23:30, Peter Svilans schreef:
> <   My history may be a bit sketchy, but>
>
> Not sketchy at all, Dave.
>
> Hotchkiss had always had very strong management ties with England and the US,
> and was a major arms supplier to the Union Army in the Civil War.  The Saint
> Denis plant in France was producing cars, engines and machine guns.
>
> By the start of WW 1, out of fear of being overrun by the Germans, management
> asked their chief engineer, a British officer by the name of Ainsworth, to
> transfer machine gun production to a new factory in Coventry.  50,000 guns
> were made there, but contracts dried up after the war.
>
> Meanwhile, word got round that William Morris was looking for an engine
> supplier.  In particular, he wanted someone to copy the Detroit-made
> Continental Red Seal motor which he had been using in his Bullnose Cowley.
> Ainsworth knocked on Morris' door and, even though his Coventry plant had
> never made any engines before, said he could do it.  The plant was sold to
> Morris in 1923.
>
> The British (Hotchkiss)-built, American-designed Continental motors used
> French Standard metric (not International Standard metric) threads because the
> Coventry factory was equipped with French metric tool heads from its
> machine-gun days.  There was no money available to change tooling either from
> Mr. Morris who always demanded a rock-bottom price, or from Saint Denis.
> Also, in order that Whitworth wrenches could be used by the British workers in
> the plant, the metric nuts and bolts had Whitworth heads.   The whole business
> was called "Morris' Mad Metric".
>
> The 1925 MG Kimber Special "Old Number One" used a Hotchkiss engine.
>
> Best
> Peter
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