Stephen,
Well US cars don't. I take that to mean it isn't that important to US
drivers as it is elsewhere as our gasoline is very cheap compared to
yours. Most Americans drive gas guzzling SUV so I can't see too many
people worried about fuel economy. And as you noted, it isn't that
important unless there is a problem with the vehicle.
Jerry
------------------------------------------------------------------------
*From:* Stephen Humphreys <[email protected]>
*To:* U.S. Metric Association <[email protected]>
*Sent:* Sunday, February 1, 2009 1:44:06 PM
*Subject:* [USMA:42792] Re: Small item seen on TV
Most cars have this feature.
A bit like most people won't fill their car up and calculate the fuel
efficiency in metric or imperial on every trip to the petrol station
unless they fear that something is terribly wrong and they believe
that the figure they're getting is no where near the figure advertised
or written in the guide book.
------------------------------------------------------------------------
Date: Sun, 1 Feb 2009 10:20:16 -0800
From: [email protected]
Subject: Re: [USMA:42763] Re: Small item seen on TV
To: [email protected]; [email protected]
Stephen,
Does every car in the UK have this feature in it? US cars don't,
unless you own a luxury car. The rest of us have to calculate it if
want to know it.
So, how does the car know how many gallons or liters were put into the
tank at a fill-up in order to calculate correctly? Do you key it in
after the fill-up?
Jerry
------------------------------------------------------------------------
*From:* Stephen Humphreys <[email protected]>
*To:* U.S. Metric Association <[email protected]>
*Sent:* Sunday, February 1, 2009 12:09:24 PM
*Subject:* [USMA:42763] Re: Small item seen on TV
There's a readout in the car that says XX.X mpg - which echo's how
people, car magazines, adverts, TV shows (eg Top Gear) talk about car
fuel efficiency
UK car docs tend to use cc
------------------------------------------------------------------------
Date: Sun, 1 Feb 2009 08:54:26 -0800
From: [email protected]
Subject: Re: [USMA:42741] Re: Small item seen on TV
To: [email protected]; [email protected]
Stephen,
So how is economy usually calculated with mixed units? Do most people
have the formulas memorized or do they have them written down? How do
you calculate your fuel economy or do you bother at all?
Why would you care about alienating yourself if all you are looking
for is meaningful information on the economy of your car for your own
knowledge? Unless you feel a need to broadcast the information. But
from what I've read from the emails, even if you told everyone in
metric units, they would still be understood. So how would you be
alienating yourself?
What do you mean by cc and ci? Are you talking about engine
displacement? Presently all I ever hear is liters, never a mention of
a cc or ci. That is the standard. I remember years ago motorcycles
used cc, but I'm not sure if they still do or not. Do you own a
motorcycle as opposed to a car?
Jerry
------------------------------------------------------------------------
*From:* Stephen Humphreys <[email protected]>
*To:* U.S. Metric Association <[email protected]>
*Sent:* Sunday, February 1, 2009 10:20:06 AM
*Subject:* [USMA:42741] Re: Small item seen on TV
People refer to economy in terms of mpg - so I'd be alienating myself
if I converted it all to metric first.
A bit like if I converted my engine size from cc to ci.
------------------------------------------------------------------------
Date: Fri, 30 Jan 2009 18:52:58 -0800
From: [email protected]
Subject: Re: [USMA:42542] Re: Small item seen on TV
To: [email protected]; [email protected]
Stephen,
Is there a simple formula to calculate mpg from the fuel amount in
liters? Would it be just as easy to convert your miles to kilometers
and figure it out completely in metric? It shouldn't make a
difference which way you go.
Maybe the best thing to do is to use the correct symbols as others
noted. They are consistent even if spelling isn't
Jerry
------------------------------------------------------------------------
*From:* Stephen Humphreys <[email protected]>
*To:* U.S. Metric Association <[email protected]>
*Sent:* Sunday, January 25, 2009 12:58:04 PM
*Subject:* [USMA:42542] Re: Small item seen on TV
"I'm too lazy to bother to figure out my mpg. I would be even less
prone to want to do it if it meant an extra calculation step?
Do people ever do miles per litre/liter if that would make it simpler
to compute? Or is there a simple way to compute mpg when fuel is sold
in litres/liters?"
You'd think that miles per litre would have taken off here - but it
hasn't. I guess there's a thought that there's consistency in keeping
all units from one system. Or something.
"I don't like this having to spell meter and liter two different
ways. Which should I use?"
I'd say the default was the American spelling - since this is an
American board. I tend to use 're' due to force of nature.
I think we know what we're all talking about - your best bet is to
stick with liter/meter probably.
------------------------------------------------------------------------
Date: Sun, 25 Jan 2009 09:40:10 -0800
From: [email protected]
Subject: Re: [USMA:42523] Re: Small item seen on TV
To: [email protected]; [email protected]
Stephen,
I'm too lazy to bother to figure out my mpg. I would be even less
prone to want to do it if it meant an extra calculation step?
Do people ever do miles per litre/liter if that would make it simpler
to compute? Or is there a simple way to compute mpg when fuel is sold
in litres/liters?
I don't like this having to spell meter and liter two different ways.
Which should I use?
Jerry
------------------------------------------------------------------------
*From:* Stephen Humphreys <[email protected]>
*To:* U.S. Metric Association <[email protected]>
*Sent:* Sunday, January 25, 2009 12:04:56 PM
*Subject:* [USMA:42523] Re: Small item seen on TV
Historical usage.
Like 'mpg' even though we fill up with litres/liters.
------------------------------------------------------------------------
Date: Sun, 25 Jan 2009 08:30:28 -0800
From: [email protected]
Subject: [USMA:42509] Re: Small item seen on TV
To: [email protected]
Martin,
So then psi is common in Britain. Why?
Jerry
------------------------------------------------------------------------
*From:* Martin Vlietstra <[email protected]>
*To:* Jeremiah MacGregor <[email protected]>; U.S.
Metric Association <[email protected]>
*Sent:* Sunday, January 25, 2009 11:10:03 AM
*Subject:* RE: [USMA:42430] Re: Small item seen on TV
I have not checked my tyres – however the air supply at my local
garage are calibrated in both bars and psi.
------------------------------------------------------------------------
*From:* Jeremiah MacGregor [mailto: [email protected] ]
*Sent:* 24 January 2009 15:24
*To:* Martin Vlietstra; U.S. Metric Association
*Subject:* Re: [USMA:42430] Re: Small item seen on TV
Martin,
My tires show kPa (psi). Is this also the way it is in the world or
only the US ?
Jerry
------------------------------------------------------------------------
*From:* Martin Vlietstra <[email protected]>
*To:* [email protected] ; U.S. Metric Association
<[email protected]>
*Sent:* Saturday, January 24, 2009 10:22:34 AM
*Subject:* RE: [USMA:42430] Re: Small item seen on TV
The most common units of measure for tyre pressures in Europe are bars
or kPa. (100 kPa = 1 bar).
------------------------------------------------------------------------
*From:* [email protected] [mailto:[email protected]]
*On Behalf Of *Jeremiah MacGregor
*Sent:* 24 January 2009 14:59
*To:* U.S. Metric Association
*Subject:* [USMA:42430] Re: Small item seen on TV
Harry,
Aren't they suppose to be in pascals or something along that line?
Jerry
------------------------------------------------------------------------
*From:* Harry Wyeth < [email protected] >
*To:* U.S. Metric Association <[email protected]>
*Sent:* Tuesday, January 20, 2009 11:39:58 PM
*Subject:* [USMA:42388] Small item seen on TV
A minor point of interest: on PBS's US broadcast of the BBC World News
tonight, in a piece re the resumption of natural gas to Europe, there
was "footage" showing close-ups of presssure gauges on pipeline
fixtures out in the snowy fields.. One showed pressure in kg/cm2, and
the other in "bar".
HARRY WYETH
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