système de prise au vent

13:14 Dec 11, 2020
This question was closed without grading. Reason: Answer found elsewhere

French to English translations [PRO]
Tech/Engineering - Patents / scientific patent
French term or phrase: système de prise au vent
Grue à tour à flèche relevable munie d’un système de prise au vent ajustable
Lorsque la grue est en configuration de sécurité, l’équilibrage entre la prise au vent de la flèche doit être favorable par rapport à la prise au vent arrière (au niveau de la contre-flèche) afin que la flèche s’oriente naturellement dans le vent.
AmaniCH
Tunisia


Summary of answers provided
4windage feature, - adjustment system,
Nikki Scott-Despaigne
3windsail
Suzie Withers
3 -1wind intake system
Lisa Rosengard


Discussion entries: 9





  

Answers


1 day 4 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5
windsail


Explanation:
A retractable windsail assists a crane parked with a jib in a more upright position to weathervane safely in a tight urban environment.

A kind KudoZ colleague sent me the following link to a video that shows how it works. I think this is a distinct possibility.


    https://vimeo.com/431756510
Suzie Withers
United Kingdom
Local time: 19:15
Native speaker of: Native in EnglishEnglish
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7 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): -1
wind intake system


Explanation:
'tower crane with a lifting jib, equipped with an adjustable wind intake system'
'When the tower is on security configuration, the balancing between the arrow's wind intake must be favourable to the wind intake behind, at counter level to allow the arrow to move naturally in the wind.'

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Note added at 2 days 23 hrs (2020-12-14 12:36:05 GMT)
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When placed on safety configuration the arch's (axle's) wind intake capacity needs stability to allow it to move naturally in the wind.

Lisa Rosengard
United Kingdom
Local time: 19:15
Native speaker of: English

Peer comments on this answer (and responses from the answerer)
disagree  chris collister: No. "Sécurité" here means "safety", and the "flèche" is not an arrow but the horizontal jib. The "contre-flèche" is the part of the jib behind the tower that carries the counterweight.
1 hr
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3 days 3 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
windage feature, - adjustment system,


Explanation:
In sailing, kiting, sails up or not, there is always a "prise au vent". It describes the surface are exposed to the wind. For example, in sailing, even with what is called "bare pole" (no sails up at all), there is still a "prise au vent" represented by the surface area of the "poles" (mast, boom, etc). Indeed, wingmasts can be fairly tricky for the very fact that even with no canvas up, the surface exposed to the wind is still high., but I digress.

I trust you can see the parallel. Exposed surface, windage, wind load(ing), etc.

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Note added at 3 days 3 hrs (2020-12-14 17:02:29 GMT)
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"wind load" also for "prise au vent".


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Note added at 3 days 3 hrs (2020-12-14 17:08:22 GMT)
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THis video #10 at 1min 20 will show you how and why a crane needs to adjust.https://www.youtube.com/watch?v=2IF0ew_wQCw&ab_channel=Disco...


    https://www.windcrane.com/anemometer-wind-crane
Nikki Scott-Despaigne
Local time: 20:15
Native speaker of: Native in EnglishEnglish
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