----- Original Message ----- 
From: "sean neill" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, December 12, 2006 12:40 AM
Subject: Re: [canals-list] Re: Re: TV licences (now OT)


>> What an amazing sight. I've also got a book on the Queen Mary I , and
>> the section on launch dynamics is an amazing read - with details on
>> how they  predict how far the ship would go - the load on different
>> parts of the hull as the stern floated and the bows were still on the
>> slip - and the extra strengthening structure built in for the launch
>> and then removed.
>>

> I think at that time they got it wrong surprising often - quite a number
> of ships got damaged and IIRC the Normandie did about 18 knots
> backwards!
>

There was at least one yard which had an old boy who had done it for 
donkeys' years, he was paid off and the next launch was done by the office 
boffins with masses of calculations, and was an unmitigated disaster. The 
old boy was promptly reinstated on his own terms.

-- 
Niall 

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