Pounds or kilogrammes on the forum?

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Mick F
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Re: Pounds or kilogrammes on the forum?

Postby Mick F » 4 Nov 2015, 1:04pm

I would say that we DON'T buy petrol/diesel in litres, and haven't done for years.
We buy it by the Quid, or fill the tank maybe.

I suggest that fuel prices should be Litres per Quid ................ and not Quids per Litre.
Mick F. Cornwall

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al_yrpal
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Re: Pounds or kilogrammes on the forum?

Postby al_yrpal » 4 Nov 2015, 2:06pm

Pint of shrimps? Pint of winkles? Plate of cockles? Pair of kippers .. Kippers are always bought in pairs. Showing my cockney credentials. :D

Al
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Mick F
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Re: Pounds or kilogrammes on the forum?

Postby Mick F » 4 Nov 2015, 5:08pm

Ice cream is sold by the volume, and not by the weight.

Therefore the manufacturers mix air into it to increase the volume without increasing the weight.
Buy cheap supermarket ice cream?
Feel the weight, don't look at the volume! :D
Mick F. Cornwall

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Re: Pounds or kilogrammes on the forum?

Postby profpointy » 4 Nov 2015, 7:11pm

certain things are specied in quite odd units
Car Tyres - diameter in inches, width in mm
Hubble's constant (expanding universe speed against distance) is traditionally quoted in km per second per Mega Parsec. What kind of bodge unit is that. Two alternative sets of metric electrical units - one set based on cm, grams, secs, and the other based on kg, metre, sec - and yet have to multiply by pi to convert. Masses of subatomic particles measure in electron volts (a unit of energy).


And even for mundane things it would be plain silly to call a 1/2 bolt or spanner a 12.7mm

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Re: Pounds or kilogrammes on the forum?

Postby sjs » 6 Nov 2015, 12:04am

axel_knutt wrote:
Psamathe wrote:I always loved the speed of light in furlongs per fortnight (illustrated what a useless measurement it was) but can never remember what the value actually is (maybe because I never use it). 1.8 terafurlongs per fortnight (just looked it up).

Ian


The earth rotates at 11.5 microhertz, and orbits the sun at 31.7 nanohertz. I'm 2.09x10^-16 light years tall.

I rather like that the speed of light is one foot per nanosecond

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gaz
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Re: Pounds or kilogrammes on the forum?

Postby gaz » 6 Nov 2015, 8:16am

irc wrote:Though I'm not fussy about what others use. Easy enough for a rough mental conversion. ... L - pints x 1.8

"A litre of water's a pint and three quarters", is the rough and ready conversion formula that's stuck in my mind.
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661-Pete
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Re: Pounds or kilogrammes on the forum?

Postby 661-Pete » 14 Nov 2015, 9:36am

This debate reminds me of a little snippet of memory from my schooldays (strange how one remembers brief episodes from so long ago, yet forgets so much :( ).

Bear in mind that back in the early 1960s the BBC weather forecast used Fahrenheit throughout, Celsius (or Centigrade as we called it then) was unheard-of.

Scene: geography lesson at school. The geography master, a lovable but curmudgeonly old soul, bless him!, was teaching us about climate patterns or something, and the question of whether we should be using F or C cropped up. He was adamant that he wanted no truck with this new-fangled Centigrade and the like, it was Fahrenheit for him and for evermore. I must have piped up "I always use Centigrade, sir". He rounded on me, "All right then, tell us what you think the temperature is in the classroom today, in Centigrade". I must have hesitated a bit, because he pounced. "Aha! You're thinking in Fahrenheit, and trying to do the calculation to convert to Centigrade, aren't you?" It was useless my protesting otherwise...

Ironically, that little incident more or less convinced me that, for the rest of my life, I would be determined to think in metric units throughout. And so, I think, has it turned out. Apart from road distances, for which I stick to miles (like the odometer on the bike - and in the car - and British road signs) I'm metric throughout. Certainly when weighing myself, which I'm still doing regularly. It would throw me to ask me what my weight is in stones.
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Re: Pounds or kilogrammes on the forum?

Postby axel_knutt » 14 Nov 2015, 2:42pm

Mick F wrote:I would say that we DON'T buy petrol/diesel in litres, and haven't done for years.
We buy it by the Quid, or fill the tank maybe.

I suggest that fuel prices should be Litres per Quid ................ and not Quids per Litre.


The fuel consumption of my car used to be about 80 nm^2.
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661-Pete
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Re: Pounds or kilogrammes on the forum?

Postby 661-Pete » 20 Nov 2015, 5:04pm

axel_knutt wrote:
Mick F wrote:I would say that we DON'T buy petrol/diesel in litres, and haven't done for years.
We buy it by the Quid, or fill the tank maybe.

I suggest that fuel prices should be Litres per Quid ................ and not Quids per Litre.


The fuel consumption of my car used to be about 80 nm^2.

Very ingenious. I could go one better (dimly recalling my nuclear physics days) and call it about 5 x 10^17 barns - i.e. 500,000,000,000,000,000 barns. That's a lot of barns.... Must use the car less :? .
Suppose that this room is a lift. The support breaks and down we go with ever-increasing velocity.
Let us pass the time by performing physical experiments...
--- Arthur Eddington (creator of the Eddington Number).

sjs
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Re: Pounds or kilogrammes on the forum?

Postby sjs » 20 Nov 2015, 8:50pm

axel_knutt wrote:The fuel consumption of my car used to be about 80 nm^2.


I may be wrong, but aren't you out by a factor of 10^9?

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Re: Pounds or kilogrammes on the forum?

Postby Bicycler » 26 Nov 2015, 12:09pm

""E could 'a drawed me off a pint," grumbled the old man as he settled down behind a glass. "A 'alf litre ain't enough. It don't satisfy. And a 'ole litre's too much. It starts my bladder running"
- George Orwell, 1984

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Re: Pounds or kilogrammes on the forum?

Postby Bicycler » 26 Nov 2015, 12:17pm

profpointy wrote:And even for mundane things it would be plain silly to call a 1/2 bolt or spanner a 12.7mm

We have tonnes (metric) of these in bicycle land 31.8mm, 25.4mm, 22.2mm. What silliness!

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Re: Pounds or kilogrammes on the forum?

Postby PhilWhitehurst » 29 Nov 2015, 8:08pm

Nah weights should be quoted in units of hamsters

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Re: Pounds or kilogrammes on the forum?

Postby Bmblbzzz » 29 Nov 2015, 8:40pm

Psamathe wrote:Just discussed/mentioned on a different thread was how the forum software scans posts and modifies them to remove certain words it does not like. Words like <i>[derogatory word removed]</i> or <i>[derogatory word removed]</i> (ooops). On some forums you even have to write "k i t c h e n". So can is also scan for <number>lbs or <number>Km, etc. and do a modification to "<number>lbs (<different number>Kg)". Can't be difficult from a software perspective.

Ian

In what world is kitchen a derogatory term?

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Re: Pounds or kilogrammes on the forum?

Postby Bmblbzzz » 29 Nov 2015, 8:42pm

Back to weights and measures: personally I'm happiest in metric units because they're what I've become most used to, but I don't think it's fair to demand everyone use one system or even give conversions.