Jul 7, 2011 08:15
12 yrs ago
French term

(nombre de) rapports de transmission

French to English Tech/Engineering Automotive / Cars & Trucks complaint about gearbox
Nombre de rapports trop limité, induisant une conduite peu fluide, avec des à-coups

I have checked this out on Proz & elsewhere but would like expert opinion - is it 'gear ratio', ignoring the plural?

Discussion

Tony M Jul 7, 2011:
Don't mix them up ;-) number of gear ratios is probably the most technical term
number of gears — perfectly understandable layman's term
number of speeds — rather more informal

number of gear speeds — no-no!
ormiston (asker) Jul 7, 2011:
which is more common then number of gear speeds or number of gear ratios (as a non techie I'd just talk about the number of gears!)

Proposed translations

+3
31 mins
Selected

(number of) gear ratios

No, why ignore the plural? A gearbox has several gear ratios (mine has 6, and I never know which one I'm in, dammit!)
Peer comment(s):

agree kashew : Hi! = rapports d'engrenage, je pense?
4 mins
Thanks, J! Couldn't say, have never heard that particular term.
agree Philippe Etienne : 6-speed gearbox? wow!
7 mins
Merci, Philippe ! I was better with my DAF: forward to go forward, backward to go back, and no chance of getting it wrong ;-)
agree chris collister : I believe some trucks have up to 16, and racing bikes with a narrow power band require much cog-swapping
23 hrs
Thanks, C! Yes, and some tractors 80!! Surely it's the biker who has a low narrow power band :-))
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4 KudoZ points awarded for this answer.
-1
18 mins

transmission ratio

IMO
Peer comment(s):

disagree Tony M : Careful! That tends to mean the axle ratio (i.e. the ratio of the differential), rather than the gearbox as here.
13 mins
Yes, it is..
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+3
37 mins

number of speeds/gears

In this context, it is rather the number of speeds in the gearbox, not the actual reduction ratio. Cf. boîte à 5 rapports that means 5-speed gearbox.
It basically means that you have to go high in revs to get to the next gear (whether auto or manual) , hence a drive that doesn't feel smooth.
Peer comment(s):

agree Tony M : Yes, though in technical EN, we do indeed talk about the 'ratios' of a gearbox, without necessarily referring to the overall ratio of the whole transmission chain.
2 hrs
Thank you Tony; it used to be about 1:1 in 4th gear on an average car, I wouldn't dream of such a ratio on the whole transmission chain!
agree Terry Richards : Slight preference for "gears" but either is correct
8 hrs
agree rkillings : "Too few gears" will do it.
13 hrs
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