It's a sprocke...
 

[Closed] It's a sprocket, not a cog!!!

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Does anybody else get annoyed by this? It's simple: a cog drives a cog, a chain drives a sprocket. All the bike mags call them cogs. What am I missing here?!!

 
Posted : 23/09/2013 11:25 am
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Ps while I'm annoyed anyway, why has my font come out small? Who did this to me??!?!!!

 
Posted : 23/09/2013 11:29 am
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I've always called it a sprocket, as when I used to bmx a "sprocket stall/slide" sounds way better than a "cog stall/slide" !

 
Posted : 23/09/2013 11:29 am
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That journos are not engineers?

Only just human in some cases.

 
Posted : 23/09/2013 11:29 am
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Oh, NOW it's the right size!!

 
Posted : 23/09/2013 11:29 am
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That journos are not engineers?
Only just human in [i][b]some[/b][/i] cases.

I genuinely believe that when it comes to [u]bike[/u] journos we can upgrade that to 'most'

 
Posted : 23/09/2013 11:32 am
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shermer75 - Member
Ps while I'm annoyed anyway, why has my font come out small? Who did this to me??!?!!!

The cog that drives the sprocket that powers the interweb is broken... 🙂

 
Posted : 23/09/2013 11:32 am
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Does anybody else get annoyed by this?

No. I learnt mechanics on technic lego where the exact same parts could be cogs, sprockets or pinion wheels depending on what you mated them to.

Someone needs to tell all those charlatans selling "chainrings" and "chainwheels" (shimano iirc) about this too then. 😉

 
Posted : 23/09/2013 11:33 am
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, u ok hun?
U need to chillax..

😉

 
Posted : 23/09/2013 11:33 am
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Cog:

[img] [/img]

Sprocket:

[img] [/img]

 
Posted : 23/09/2013 11:34 am
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'Chainring' is fine by me, it's a bike specific word that refers to, well, 'chainrings'! 🙂

 
Posted : 23/09/2013 11:36 am
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that 24 tooth cog with a chain around it has a very small hole in the middle.

Should I be calling my chain rings sprockets as well?

 
Posted : 23/09/2013 11:38 am
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, u ok hun?

I will end you for that..... 👿

'a rose by any other name....'

 
Posted : 23/09/2013 11:42 am
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But it's not a chainring: that would be better used to describe a ring made out of chain. It's a front sprocket. Or in the case of motorcycles, a pinion. 😉

 
Posted : 23/09/2013 11:43 am
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I'm an engineer and I call them cogs. I also call vacuum cleaners Hoovers, and I call lunch dinner, and dinner supper, unless its a restaurant and I call dinner dinner.

 
Posted : 23/09/2013 11:44 am
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wwaswas, I refer to my previous answer 😉

 
Posted : 23/09/2013 11:45 am
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I've always felt that cassettes should be called 'evenly spaced sprocket clusters'.

 
Posted : 23/09/2013 11:46 am
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Bet you call public address systems 'Tannoys' too, heathen? 😉

 
Posted : 23/09/2013 11:46 am
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paladin - Member
I'm an engineer and I call them cogs. I also call vacuum cleaners Hoovers, and I call lunch dinner, and dinner supper, unless its a restaurant and I call dinner dinner.

NOOOOOOOOOOOOOOOOOO!!!!!!!!!!!!!

 
Posted : 23/09/2013 11:46 am
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wwaswas - Member
I've always felt that cassettes should be called 'evenly spaced sprocket clusters'.

Now you're just being silly!! 😉

 
Posted : 23/09/2013 11:48 am
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i used to call a spade a spade, but on closer inspection it turns out its a shovel.

 
Posted : 23/09/2013 11:52 am
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It's a sprocket!

 
Posted : 23/09/2013 11:53 am
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Shermer75, it must be so tiring being a beacon of correct mechanical nomenclature. I trust that you also also:

-know your spindles from your axles
-say Dérailleur not mech, and pronounce the double l properly.
-bleed your brakes from the reservoir or master cylinder not the lever
-say 'ferrule' not 'end cap'
-only refer to an allen key if its manufactured by Allen
-talk of 'chain bushing wear' not "stretch".
-have absolutely no adjustable wrenches in your home or workplace. 😉

 
Posted : 23/09/2013 12:00 pm
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Julianwilson yep, you're right, you got me there- I do none of those things. Sprockets and cogs though, it seems so obvious!!! Does it REALLY not annoy anybody else????

 
Posted : 23/09/2013 12:07 pm
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Cog is a generic term. A Pinion is a specific type or subset of Cogs i.e. as in Rack and Pinion steering. As is an idler. You don't have pinions in chain drive trains. I would say they are sprockets. But its just splitting hairs. On my first day as an Apprentice we were told there is no such thing as a Drill Bit. Its a Drill, as is the machine that drives it, but is preceded by antoher work like Pillar Drill, or Hand Drill, and if any of us were caught calling it a Drill Bit we go a good bollocking.

 
Posted : 23/09/2013 12:08 pm
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Despite knowing perfectly well that it's a sprocket, I call it a cog, because it's a nicer word to say. Cog. Cog.

Cog.

PS, 10 points to the first person to use the word cromulent in this thread

 
Posted : 23/09/2013 12:12 pm
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[i]PS, 10 points to the first person to use the word cromulent in this thread [/i]

*checks*

It was you!

 
Posted : 23/09/2013 12:14 pm
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I call dinner dinner.

I thought that's how you called Batman.

Dinner dinner dinner,dinner dinner dinner...BATMAN!

 
Posted : 23/09/2013 12:16 pm
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[i]I thought that's how you called Batman.[/i]

Apparently, it's all grandmothers when you need to contact him now;

[img] [/img]

 
Posted : 23/09/2013 12:19 pm
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Just looked it up on Wikipedia (!) and apparently it's the [i]teeth[/i] that are called cogs, and what I was referring to as cogs are actually called gears. The teeth on sprockets are also called cogs. Hrumph.

 
Posted : 23/09/2013 12:20 pm
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Is this what being hoist upon ones own petard is?

 
Posted : 23/09/2013 12:38 pm
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See also....front forks. Or back shocker.

 
Posted : 23/09/2013 12:47 pm
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PCB board 😐

 
Posted : 23/09/2013 12:53 pm
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currentley giggling away at the monitor as the wharehouse lad looks at me like a t*^t... so whare douse a 1pc driver sit in this equasion is it a driver or a sprocket.... also on a belt drive would that then be a cog as not used with a chain or still sub catagorised at sprocket?

sorry.

 
Posted : 23/09/2013 12:53 pm
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Weirdly enough 'hoist by your own petard' means shot by your own ordinance- it's olde english!

 
Posted : 23/09/2013 1:00 pm
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Front forks and back shocker. Aaaaaargh!!!!

 
Posted : 23/09/2013 1:01 pm
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Belt drive = sprocket. What's a 1pc driver?

 
Posted : 23/09/2013 1:02 pm
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wilko1999 - Member
PCB board

LCD display...... 👿

 
Posted : 23/09/2013 1:22 pm
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I was under the impression that belts went around pulleys. (Well they do on line shafts).

Wasn't the petard the charge in the mine placed under the enemies walls prior to effecting a breach? To be hoist by the petard was due to incorrect fuse length leaving insufficient time to retreat to a safe distance.

 
Posted : 23/09/2013 1:24 pm
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Sandwich I can't say if you're definitely right or not but that sounds like a much more convincing answer!! 🙂

 
Posted : 23/09/2013 1:29 pm
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I was under the impression that belts went around pulleys. (Well they do on line shafts).

Aah, but the belts here have teeth, which interlock with the teeth on the sprocket, hence sprocket! 😉

 
Posted : 23/09/2013 1:32 pm
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[img] [/img]
Duh - it's not "Sprocket or cog" - it's "Sprocket the dog" !

 
Posted : 23/09/2013 2:04 pm
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PAT testing!
👿

 
Posted : 23/09/2013 2:09 pm
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Front cog, no chainring, rear sprocket, no cassette, ss cog? Doh!

 
Posted : 23/09/2013 2:14 pm
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paladin - Member
I'm an engineer and I call them cogs. I also call vacuum cleaners Hoovers, and I call lunch dinner, and dinner supper, unless its a restaurant and I call dinner dinner.

BATMAN

 
Posted : 23/09/2013 2:16 pm
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Sprocket:

[img] [/img]

Cog:

[img] https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcRnwSSQLwPW_qisNFAVHxOIHhR279-o_JsSF8bt7_ZkcEDC5bkW [/img]

 
Posted : 23/09/2013 2:28 pm
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Belt drive = sprocket. What's a 1pc driver?
look up bmx cassette drivers

 
Posted : 23/09/2013 8:16 pm
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PIN number...

I veer between being a stickler for correct use of language and "but you know what I'm getting at" depending upon whether I [i]think[/i] I know what I'm talking about or not.

 
Posted : 23/09/2013 8:30 pm
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Northwind - Member
PS, 10 points to the first person to use the word cromulent in this thread

Well, you just won it. Congratulations, you've embiggened this thread. 🙂

 
Posted : 23/09/2013 8:30 pm
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1pc driver is someone who reads the guardian alone at motorway services while drinking fair trade organic green tea.

 
Posted : 23/09/2013 8:32 pm
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Don't we need Sprocketcog to answer this?

Sorry, I mean Rocketdog.

 
Posted : 23/09/2013 8:35 pm
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Despite knowing perfectly well that it's a sprocket, I call it a cog, because it's a nicer word to say. Cog. Cog.

Cog.

I disagree, I think sprocket is a nicer word. It's up there with "strudel" as a word you can really enjoy pronouncing.

 
Posted : 23/09/2013 8:37 pm
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'hoist by your own petard' means shot by your own ordinance

Since this is a thread about correct nomenclature, I have to point out that it actually means 'blown up by your own bomb'

And I think you meant 'ordnance' not 'ordinance' 🙂

 
Posted : 23/09/2013 8:48 pm
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And I think you meant 'ordnance' not 'ordinance'

Shall we conduct a survey about that?

 
Posted : 23/09/2013 9:21 pm
 sbob
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shermer75 - Member

Weirdly enough 'hoist by your own petard' means shot by your own ordinance- it's olde english!

It's French.

 
Posted : 23/09/2013 9:23 pm
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Shall we conduct a survey about that?

V good. V.v. good indeed!

 
Posted : 23/09/2013 9:48 pm
 nikk
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PCB board

LCD display

PAT testing

PIN number


ATM machine

 
Posted : 23/09/2013 10:24 pm
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I would suggest that sprocket is a nice 'woody ' word while 'cog' is rather tinny.

 
Posted : 23/09/2013 10:38 pm
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Clearly a 'cog' that turns another 'cog' is a 'gearwheel', ie. not a cog or a sprocket. At least that's what the German parts manuals at work call them - 'Spindelrad'. Actually translates as 'spindle wheel' funnily enough. Just thought I'd add to the confusion!

 
Posted : 23/09/2013 10:47 pm
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A belt with teeth which mesh with a pulley with teeth, are a timing belt meshing with a timing pulley.
Chain ring.
Sprocket.
Teeth on a sprocket have always been called teeth.
IME.

 
Posted : 23/09/2013 10:47 pm
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My (un)favorite is "Personal Identification PIN Number". Seen it more than once. Which Cog thought of that one, I'd give him a good sprocket in his jockey wheels!

 
Posted : 23/09/2013 11:22 pm
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That's called PNS syndrome.

 
Posted : 24/09/2013 12:34 am
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MTB Bike

I trust that you also also:

-know your spindles from your axles
-say Dérailleur not mech, and pronounce the double l properly.
-bleed your brakes from the reservoir or master cylinder not the lever
-say 'ferrule' not 'end cap'
-only refer to an allen key if its manufactured by Allen
-talk of 'chain bushing wear' not "stretch".
-have absolutely no adjustable wrenches in your home or workplace.

Well out of that list, I'm with Sheldon Brown http://sheldonbrown.com/derailer.html, I'm a bit confused about brakes which have a separate bleed point at the lever to the one at the reservoir/master cylinder, I tend to refer to hex keys (shorter, innit?) and I'd drown myself in a barrel of my own piss rather than refer to chain stretch. I have to admit to owning two good quality adjustable wrenches though.

 
Posted : 24/09/2013 1:32 am
 JoeG
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[img] [/img]

or

[img] [/img]

??? 😀

 
Posted : 24/09/2013 3:37 am
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So when you mention 'sprocket' to someone, and they say 'what's a sprocket', you answer with 'a cog'.

Studied chain stretch for timing chains on big 2-stroke engines, and although the chain certainly does not stretch, it is still called chain stretch.

 
Posted : 24/09/2013 6:11 am
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I'm a bit confused about brakes which have a separate bleed point at the lever to the one at the reservoir/master cylinder,

I break all those rules of mechanical correctness I posted as well as cog/sprocket. I have two rubbish "toolzone" quality adustacle wrenches as well as a stilson for big/stubborn ones. 😳

FWIW the brake lever is the bendy bit your finger(s) move to make the brake work, which uses a cuple of pivits and other gubbins to pump the master cylinder. So in shermer's correct world, his lever should be the simple mechanical bit of the assembly, the master cylinder or reservoir will be where he gets to pump in or drain out brake fluid.
[url= http://www.chainreactioncycles.com/formula-brake-lever-kit/rp-prod82719 ]A lever.[/url]
[url= http://www.chainreactioncycles.com/formula-rx-complete-master-cylinder/rp-prod82758 ]A master cylinder.[/url]

Of course if I referred to it as such hardly anyone would get it. When my formulas went in for warranty the excellent warranty guy and I both referred to the complete master cylinder assembly as the 'lever' and seemed to understand each other. I don't think either of us got sprocket-rage about it. 😀

 
Posted : 24/09/2013 9:44 am
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Bastard file.

Petard comes from Latinish, and gives us both the word for"small stupid firework" and "fart" in Spanish.

 
Posted : 24/09/2013 10:56 am
 huw
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At the end of the day, sprocket or cog, who gives a f£$*, just ride your bike.

 
Posted : 24/09/2013 10:56 am
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[i]At the end of the day, sprocket or cog, who gives a f£$*, just ride your bike[/i]

Shouldn't that be ride your bycycle?

Or perhaps cycle?

 
Posted : 24/09/2013 11:23 am
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So in shermer's correct world, his lever should be the simple mechanical bit of the assembly, the master cylinder or reservoir will be where he gets to pump in or drain out brake fluid.

Ah sorry - was misunderstanding the point you were making. I'd be guilty of calling the whole thing a lever, but prepared to justify that on the basis that it serves the same function as a mechanical brake lever, and that lever has become the generic term for the whole assembly.

Of course if you were being awfully pedantic, then you could argue that you bleed at the hose attachment point rather than the master cylinder.

 
Posted : 24/09/2013 4:46 pm
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I love this forum...
And there's also a game of full-contact Mornington Crescent in progress. M'seur Ambassador, you are spoiling us!

 
Posted : 24/09/2013 7:33 pm
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I too love this forum, for the same reasons. Someone else got the 'ordinance' 'ordnance' point.

My pet ( non mechanical) hate is 'which tact to take' rather than 'which tack to take'

 
Posted : 24/09/2013 7:43 pm
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How about "I'm going to try and go faster" Instead of "I'm going to try to go faster"
The first is so obviously wrong, if you think about it for a second - if you try [u]and[/u] go faster, you've succeeded!

 
Posted : 24/09/2013 8:34 pm
 nikk
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How about screws vs bolts?

Seems that no one can agree on exactly what term is used for what.

In the end, who cares, when in the context there is no ambivalence.

 
Posted : 24/09/2013 11:19 pm
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Why do we have a saddle, but not a saddle post? Or saddle post clamp or saddle tube for that matter.

 
Posted : 24/09/2013 11:30 pm
 nikk
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And don't start me on 'clipless' pedals!

 
Posted : 25/09/2013 12:00 am
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Just a load of cog these idle sprockets pinions

walla

 
Posted : 25/09/2013 12:13 am