terminology

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What does this term refer to? Is it the internal capicity or displacement? or have I asked a very stupid question...!


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snowleopard

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one ton, half and quarter are classes based on a complex rule. the ton i believe originated as the weight of the keel but today relates to nothing tangible. likewise a 12 metre yacht does not measure 12 metres or anything like it, that's merely the result calculated from a formula.

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Twister_Ken

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A quarter tonner

Means a boat that rates (or rather, rated) at a quarter ton, in the good old days of ton cup rating.

There were two tonners (about 40 -42 ft LOA), one tonners (36 - 38 ft), half tonners (30 -32 feet) quarter tonners (24-26 feet) mini-tonners (20 -22ft) and I seem to remember microtonners too (like the Swift 18???). It was all jolly good fun until it became too much of an arms race for all but the most well-heeled.

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sailorman

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do u have a name apart from "chef"?.
the rating 1/4 tonner is based in the "international offshore rating"
God knows how its worked out but just wait as God proberbly is a forumite.
my boat is 37" & rated @ one ton the ufo 34 3/4 ton, contessa 32 1/2 ton
good luck
roger

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Chef

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Thanks for all your comments...I was confused because a designer used the term quarter tonner about my boat (Ed Dubois designed verl 790) and I just wondered what it all related to.

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jamesjermain

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The One Ton Cup was originally the 'Le Coupe Internationale' , presented by the Cercle de la Voile de Paris, competed for by pre-1906 6-meter yachts. Both the 6- meters and the one towere entirely arbitrary figures which were the end result of a complex formula.

In 1965 the Cup was reallocated for level rating competition for boats which measured a certain length under the RORC rule. This was later changed to the IOR under which the yacht had to have a maximum rated length of 27.5ft. In real terms yachts were about 36ft long and weighed over 6 tons.

As level rating became increasingly popular sub-divisions were introduced at 2-, threequarter-, half-, quarter-, mini-, and micro- level.

The quarter ton class had a maximum rated length of 18.5ft and a typical boat in the early days was 24ft.5ft LOA and weighed 1.4 tons. As time went on boats got longer, lighter, beamier, with higher centres of gravity, less inherent stability, and huge genoas with tiny mains. The whole thing became ridiculous and died - the untimate fate of all rating rules. The Quarter Ton Class competed internationally for the Quarter Ton Cup donate in 1968 by the Societe des Regates Rochelaises.

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Chef

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Thanks for that. It's an interesting story about how some rules can actually lead to a very undesirable outcome - no doubt fuelled by people who had quite considerable amonts of money to burn. Makes you wonder if F1 and Football are following a similar path?

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Chef

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Thanks. I'll give that a go...perhaps best to post a separate question but just in case there is anybody out there...

Jessame, Verl 790, Ed Dubois designed quarter tonner. Built by Verlvail Ltd in 1980. Appears to have been owned by a Mr R Gibson as some time but don't know who original owner was.

Can anybody tell me anything about her?

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