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What's with calling aluminum "ALLOY" instead of aluminum alloy?

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What's with calling aluminum "ALLOY" instead of aluminum alloy?

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Old 04-29-10, 09:09 AM
  #51  
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Originally Posted by Fletch521
American Racing S2 was a two-piece magnesium racing-only wheel
That's the style I referred to upthread as what I thought of as a "mag wheel" when I was a kid.
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Old 04-29-10, 09:41 AM
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Originally Posted by mickey85
My favorite is pronouncing it "al-you-minny-um."
Me too in my stuffiest brithish accent of course with my chin protruded as far as possible.
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Old 04-29-10, 09:45 AM
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Originally Posted by rhm
It definitely goes back to the 40's and earlier. Early aluminum / aluminium usage put a great emphasis on specific alloys that were trademarked or patented or whatever.

GB (Gerry Burgess) used to forge brakes, stems, etc. of "hiduminium"; not a model, but a patented/trademarked metal which was, of course, an aluminum alloy.

Brake bridges, pumps, and other parts were made of "britannialloy" which is another patented/trademarked aluminum alloy. This stuff is not forged, but bent sheet metal.

Sturmey Archer hub shells of that period are sometimes made of aluminum; they are stamped "alloy."

Another common aluminum alloy is duralumin. Aren't some early cotterless cranks made of that?

By the way, an alloy is not a mixture of two metals, but of a metal and one or more other materials, which may or may not be metallic. Steel, for example, is composed of iron (which is a metal) and carbon (which is not).
Most complete and plausible answer. I thought it was just a dumb folklore bit, but now I see it has its reasons.
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Old 04-29-10, 11:37 AM
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Originally Posted by unterhausen
used to be pretty common back in the '70s to misuse the term "alloy" to mean aluminum. It probably was a term coined earlier than that.

I was trying to think of an example. Aluminum wheels for cars are still called "alloy wheels." Check google.

I'm guessing you'll find most bike catalogs called aluminum rims "alloy rims" until steel rims went away.
I started haunting bike shops late 1967, and I know I heard it back then.
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Old 04-29-10, 11:40 AM
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Originally Posted by rhm
Hey, could we please stop repeating this?

An alloy is a substance composed a metal and one or more other elements (whether metal or not). Steel is an alloy of iron (which is a metal) and carbon (not so much).
Good point!
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Old 04-29-10, 12:36 PM
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what are track ends and what do they have to do with track dropouts?

https://www.cycle-frames.com/bicycle-...DROP-REAR.html
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Old 04-29-10, 12:58 PM
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Originally Posted by Mr IGH
what are track ends and what do they have to do with track dropouts?

https://www.cycle-frames.com/bicycle-...DROP-REAR.html
Okay, that really has nothing to do with the present topic, other than people describing something somewhat incorrectly. "Dropouts" implies fork ends that open somewhat downwards so that the wheel will drop out when loosened. So, strictly speaking track ends should not be called dropouts.

What irks me is people calling dropouts "drops". That should be reserved for the lower ends of drop handlebars.
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Old 04-30-10, 06:50 AM
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What's a spanner and what does it have to do with a wrench?
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Old 04-30-10, 07:23 AM
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Originally Posted by Mr IGH
What's a spanner and what does it have to do with a wrench?
Spanner is the British word for wrench.

That's why it bugs me when I hear Americans say "spanner wrench"!
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Old 04-30-10, 08:51 AM
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But Tom, a "spanner wrench" is a real and rather specific tool. You've seen those bungs etc. with equidistant round holes in them? The spanner has pins to engage those holes to tighten or loosen the whatsis.
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Old 04-30-10, 09:07 AM
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6061 and 7005 aluminum are actually alloys, they contain small amounts of magnesium and silicon for 6061 and zinc in 7005 (I think). But steel is also an alloy so it's kind of a silly distinction to make. I agree it was mostly done for shorter marketing slogans. Stainless is also an alloy so you can tell people you have an entirely alloy wheel, unless it's all carbon.
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Old 04-30-10, 09:34 AM
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Originally Posted by clasher
...unless it's all carbon.
All carbon is pencil lead, you're thinking of a composite matrix (epoxy and carbon fiber). What is a graphite fibre and how is it related to carbon fiber?
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Old 04-30-10, 09:36 AM
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They use graphite in pencils as well....so ya gotta figure its also a good choice to make a bike with
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Old 04-30-10, 09:39 AM
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I grill meat with carbon, not really proper for a bike.

What is a boot and what does it have to do with a trunk?
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Old 04-30-10, 09:58 AM
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Originally Posted by Mr IGH
What is a boot and what does it have to do with a trunk?
If you aren't pulling my leg at this point, you ought to read an English-American dictionary. Boot means trunk of a car, in British English. And bonnet means hood. And tappet means valve lifter or something like that.
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Old 04-30-10, 10:33 AM
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What's a lift and what does it have to do with an elevator? Que/line, Telly/TV...alloy/aluminum alloy, twit/pedantic....
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Old 04-30-10, 10:57 AM
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The roads in England must be horrible, I hear people talking about their flats there all the time.
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Old 04-30-10, 11:04 AM
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Originally Posted by noglider
If you aren't pulling my leg at this point, you ought to read an English-American dictionary. Boot means trunk of a car, in British English. And bonnet means hood. And tappet means valve lifter or something like that.
And you wouldn't give your wife a fanny pack for her birthday. Nor would you enter a shag contest (common in the U.S. South).
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Old 04-30-10, 11:06 AM
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They think warm ale is the dog's bollocks, I think they like it because that's all there is since the icebox is made by Lucas, Prince of Darkness
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Old 04-30-10, 11:41 AM
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Originally Posted by thebulls
"Aluminium" is the British spelling and pronunciation of what American's call "aluminum", see https://en.wikipedia.org/wiki/Aluminium. But they use "tin foil" to call what American's call "aluminum foil".

I can't really say I've heard bicycle people using "alloy" to refer generically to aluminum alloy. Car people seem to do that with "alloy wheels". But bicycle ad's always seem to specify the material.
Back in the late '30's, America decided to change to aluminum. There used to be actual foil made of tin when it would've been way too expensive to use aluminum.

The British also say Hoovering to mean vacuuming just as we say xeroxing to mean copying.
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Old 04-30-10, 11:44 AM
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Originally Posted by BigPolishJimmy
The roads in England must be horrible, I hear people talking about their flats there all the time.
It's so horrible, nobody drives on the pavement; people walk on it.

What is even sillier is that we drive on the parkway and park on the driveway.

And why does fat chance mean the same thing as slim chance.

Got to go now; I'm fixing to eat lunch.
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Old 04-30-10, 11:46 AM
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Originally Posted by Mr IGH
What's a lift and what does it have to do with an elevator? Que/line, Telly/TV...alloy/aluminum alloy, twit/pedantic....
You left out F-A-G = cigarette.
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Old 04-30-10, 11:47 AM
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Originally Posted by RobbieTunes
And you wouldn't give your wife a fanny pack for her birthday. Nor would you enter a shag contest...
I certainly would think about it though
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Old 04-30-10, 12:18 PM
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Originally Posted by Mr IGH
They think warm ale is the dog's bollocks, I think they like it because that's all there is since the icebox is made by Lucas, Prince of Darkness
No, they drink cool beer because they keep it in the cellar and have Lucas heaters.
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Old 04-30-10, 06:10 PM
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Originally Posted by Mr IGH
All carbon is pencil lead, you're thinking of a composite matrix (epoxy and carbon fiber). What is a graphite fibre and how is it related to carbon fiber?
Most pencil lead is graphite, which is a form of carbon. Carbon fiber is also called graphite fiber too. The thin fibers that make up CF are mostly carbon atoms, just like graphite. Diamonds are also carbon atoms arranged in a different way. In the context of cycling, most of the audience would realise that a "carbon" bike/wheel/component was comprised mostly of carbon fiber in an epoxy resin but it become tedious to type that and instead we can just say "carbon frame" and most readers aren't expecting a solid chunk of graphite in the shape of a bike frame. To say otherwise is just silly.

Oh, and your charcoal isn't pure carbon either, briquettes contain all sorts of other things and even good hardwood charcoal has bits of other things in it. But there's no need to be pedantic, language changes and evolves and we are all generally aware of what people are talking about when they mention "alloy rims", which is what matters to most people.
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