Glossary entry

French term or phrase:

cloison de mât

English translation:

mast bulkhead

Added to glossary by Miranda Joubioux (X)
Jan 8, 2007 17:40
17 yrs ago
2 viewers *
French term

cloison de mât

French to English Other Ships, Sailing, Maritime yacht-building
Hi folks,
OK, today we're shipbuilding (makes a change).
The hull (carbon/Nomex sandwich) is done, the deck has been moulded and the last 'skin' is ready to go on, and the'cloisons' (=bulkheads?) are on standby.
Next up, the *cloison de mât*... which "est essentielle et fortement échantillonnée [?] pour reçevoir les efforts du gréement [rigging, I expect] et reprendre un partie des contraines de la quille basculante".
Over to you - 'mast bulkhead' sounds dodgy to me, plus there'll need to be two of them (one each side) I guess, so I'm a bit, well, all at sea!
Over to you, landlubbers...
Proposed translations (English)
4 +6 mast bulkhead
4 +2 mast bulkhead
4 +1 mast partition

Discussion

Tony M Jan 9, 2007:
Why do you say "two of them, one each side"? The bulkhead (usually only one) runs athwartships (i.e. across the beam of the boat), rigidizing the whole hull/deck structure at a point of maximum stress.
Tony M Jan 8, 2007:
You really ought to have asked "gréement" and "échantillonnée" as separate questions, you know!

Proposed translations

+6
41 mins
Selected

mast bulkhead

http://www.lerouge-yachts.com/multi_bois.htm
There's even a picture in this link.

http://www3.gurit.com/marine/cases_irc.php
http://www.farrdesign.com/333-2.htm

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Note added at 43 mins (2007-01-08 18:24:11 GMT)
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Another link referring to rigging: http://www.northshore.co.uk/index.php?p=htmlspecs/van38spec
Peer comment(s):

agree Bourth (X) : absolutely!
3 mins
Thanks
agree Sarah Gall (X) : Just had a horrible feeling I'd posted an idiocy and came back to check!
19 mins
Thanks
agree yeswhere
1 hr
Thanks
agree Graham macLachlan : As I see it, this bulkhead doesn't actually strengthen the mast itself, it strengthens the hull at the foot of the shrouds
2 hrs
Thanks
agree Drmanu49
3 hrs
Thanks
agree Tony M : Yes, runs athwartships, transmits the weight of the mast through to the keel, enabling greater rigging tension to be applied
4 hrs
Thanks
Something went wrong...
4 KudoZ points awarded for this answer. Comment: "many thanks - i wasn't far off then was I ;-)"
+1
28 mins

mast partition

Cloison is indeed bulkhead but the cloison de mât divides the cabin area and provides added strength to the hull. The link below gives you a couple of pictures.

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Note added at 35 mins (2007-01-08 18:15:38 GMT)
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Should add it's so called because it's positioned under where the mast will be fixed. Echantillonnée I think is referring to the composite nature of the material used and yes gréement is rigging
Peer comment(s):

agree Graham macLachlan : you are exactly right in every way, however a sea-going partition is called a bulkhead
2 hrs
neutral Tony M : As Mactrad says, your description is correct, except that on a ship it is called a "bulkhead"
4 hrs
Something went wrong...
+2
43 mins

mast bulkhead

Plenty of ghits - enough to satisfy me - mostly references in passing, but this one refers to the associated "strategic high load areas" near it.

The yacht's hull was fabricated from 1/8 inch thick cedar laminates. Each layer got epoxy glued ninty degrees to each other and wraps around to include the deck, in essence creating a structure that is a continuous and seamless sheet of wood. Strategic high load areas near the MAST BULKHEAD and the keel are reinforced with carbon fibre between the laminates
http://www.boats.com/listing/boat_details.jsp?entityid=14655...

I suppose having two of them distributes those forces to the hull better.

The Encyclopédie Visuelle Bilingue Marine d'Hier et d'Aujourd'hui (originally a Dorling Kindersley book) does not have this term but gives :

cloison d'abordage - bulkhead stiffener.
Peer comment(s):

agree Graham macLachlan : As I see it, this bulkhead doesn't actually strengthen the mast itself, it strengthens the hull at the foot of the shrouds
2 hrs
Or transfers force (an awful lot of it) from the mast to as large a structural area as possible.
agree Tony M : Yes, runs athwartships, transmits the weight of the mast through to the keel, enabling greater rigging tension to be applied; in the past, sometimes used to be just a stanchion, but also takes horiz. strain as well
4 hrs
Marvellous word, "athwartships"!
Something went wrong...
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