Approx how much gas gets used to heat up a ordinary gas cooker's oven?
Approximately how much does it cost?

I need to run my oven for about 10 minutes to heat it up to Regulo 6. But
I can't get a reading of gas used because my meter is so cronky.

"Pete Brown" wrote in message
...
Approx how much gas gets used to heat up a ordinary gas cooker's oven?
Approximately how much does it cost?

I need to run my oven for about 10 minutes to heat it up to Regulo 6. But
I can't get a reading of gas used because my meter is so cronky.

Surely your meter can tell you this information, otherwise how are they
going to bill you if it is not taking an accurate reading?

As the oven is not going to use a lot of gas to heat it up, the main numbers
probably won't go up, but the part units should...
When you are using gas, does a dial turn round?

If so, turn off any other gas appliances and count the number of turns in,
say, a minute, then you know how much gas it is using per minute, then times
this by the amount of time it takes to het up (assuming the oven does not
modulate down as it gets near the set point!) then look at your last bill to
see the calculation used, and the units the meter is in (Ft or m3) and work
it out.

Different ovens of different sizes and amount of insulation levels are going
to be different.

On 10:16 21 Sep 2009, Toby wrote:


"Pete Brown" wrote in message
...
Approx how much gas gets used to heat up a ordinary gas cooker's
oven? Approximately how much does it cost?

I need to run my oven for about 10 minutes to heat it up to Regulo
6. But I can't get a reading of gas used because my meter is so
cronky.


Surely your meter can tell you this information, otherwise how are
they going to bill you if it is not taking an accurate reading?

As the oven is not going to use a lot of gas to heat it up, the main
numbers probably won't go up, but the part units should...
When you are using gas, does a dial turn round?

If so, turn off any other gas appliances and count the number of
turns in, say, a minute, then you know how much gas it is using per
minute, then times this by the amount of time it takes to het up
(assuming the oven does not modulate down as it gets near the set
point!) then look at your last bill to see the calculation used, and
the units the meter is in (Ft or m3) and work it out.

Different ovens of different sizes and amount of insulation levels
are going to be different.


I originally tried what you suggested but my gas meter doesn't seem
sensitive enough to give an actual measurement for 10 minutes of gas.
That's why I posted. Here's a pic of the meter:

http://tinypic.com/view.php?pic=28vzrkp&s=4

The dial on the right goes round about once for 10 minutes of gas to heat
up the oven. However the digits don't advance.

I have no idea how to interpret the meter's reading. I think the pic
above shows "9612.90" cubic feet. Is that right? Maybe the dial has to
rotate 100 times to move this to "9613.00".

On Mon, 21 Sep 2009 16:30:44 +0100, Pete Brown wrote:

The dial on the right goes round about once for 10 minutes of gas to
heat up the oven. However the digits don't advance.

The printing below the maind numbers shows the max flow rate of 212
cubic feet per hour and the amount of gas per revolution of the dial
0.071 cubic feet.

I have no idea how to interpret the meter's reading. I think the pic
above shows "9612.90" cubic feet. Is that right? Maybe the dial has to
rotate 100 times to move this to "9613.00".

14 times (more or less) 1/0.071 = 14.084.

--
Cheers
Dave.

On Mon, 21 Sep 2009 21:55:41 +0100, Pete Brown wrote:

Thank you for the info. Can I check my understanding with you....

If one revolution of the dial is 0.071 ft^3 then 14 revs would be
equivalent to 1 ft^3.

However, it looks as if the red digit is 0.1 ft^3. So wouldn't the red
digit get advanced for every 1.4 revolutions of the dial?

Yes, it should.

--
Cheers
Dave.

Pete Brown wrote:

However, it looks as if the red digit is 0.1 ft^3. *So wouldn't the red
digit get advanced for every 1.4 revolutions of the dial?

No, the red digit is 10 ft^3 and your meter is displaying 961290 ft^3. For
the purpose of your gas bill the red digit and the static zero are ignored
and the "units" are hundreds of cubic feet

--
Mike Clarke

On Mon, 21 Sep 2009 23:24:30 +0100, Mike Clarke wrote:

No, the red digit is 10 ft^3 and your meter is displaying 961290 ft^3.

Oh yes, I was wrong previously. (Mitigating circumstance is that I've
not lived in a place with a mains gas supply for 10 years so the
nitty gritty details of billing is but a hazy memory, so only sending
the 100's of cuft figure had slipped my mind).

So the red digit should advance one for every 140 revs of the dial.

--
Cheers
Dave.

"Pete Brown" wrote in message
...
On 10:16 21 Sep 2009, Toby wrote:


"Pete Brown" wrote in message
...
Approx how much gas gets used to heat up a ordinary gas cooker's
oven? Approximately how much does it cost?

I need to run my oven for about 10 minutes to heat it up to Regulo
6. But I can't get a reading of gas used because my meter is so
cronky.


Surely your meter can tell you this information, otherwise how are
they going to bill you if it is not taking an accurate reading?

As the oven is not going to use a lot of gas to heat it up, the main
numbers probably won't go up, but the part units should...
When you are using gas, does a dial turn round?

If so, turn off any other gas appliances and count the number of
turns in, say, a minute, then you know how much gas it is using per
minute, then times this by the amount of time it takes to het up
(assuming the oven does not modulate down as it gets near the set
point!) then look at your last bill to see the calculation used, and
the units the meter is in (Ft or m3) and work it out.

Different ovens of different sizes and amount of insulation levels
are going to be different.


I originally tried what you suggested but my gas meter doesn't seem
sensitive enough to give an actual measurement for 10 minutes of gas.
That's why I posted. Here's a pic of the meter:

http://tinypic.com/view.php?pic=28vzrkp&s=4

The dial on the right goes round about once for 10 minutes of gas to heat
up the oven. However the digits don't advance.

I have no idea how to interpret the meter's reading. I think the pic
above shows "9612.90" cubic feet. Is that right? Maybe the dial has to
rotate 100 times to move this to "9613.00".

You have a U6 imperial meter which records gas usage in cubic feet.
The white digits are hundreds of cubic feet and the red digits are tens of
cubic feet so the moving red counter will revolve 10 times to increment the
white digit by 1.

The test dial records 1 cubic foot of gas per revolution and this is used to
determine the gas rate of the appliance under test.

Using a stop watch accurately time how long it take to complete one
revolution of the dial.
It is difficult to gas rate an oven because it could get up to temperature
before the end of the test and modulate down to a lower flame and perhaps
this is why it took around 10 minutes to revolve the test meter.

I turned my oven to 9 and left the door open to test and recorded
405seconds.

Divide 3600 (seconds in 1 hour) by time in seconds for 1 complete revolution
gives gas rate in cubic feet.

3600 multiplied by 1035(calorific value of gas) divided by time in seconds
for 1 rev of dial multiplied by 3412(number of BTu/h in 1 kW) gives kW

Bit mind numbing those sums so I just looked up my gas rate chart and came
up with 8.9 cubic feet and 2.7 kW per hour.
When you have calculated your consumption in kW then look up your most
recent gas bill to see your supplier charges you per kW and divide that by
your warm up time.

I need a sleep now.

Heliotrope Smith wrote:

The white digits are hundreds of cubic feet and the red digits are tens of
cubic feet so the moving red counter will revolve 10 times to increment
the white digit by 1.

The test dial records 1 cubic foot of gas per revolution and this is used
to determine the gas rate of the appliance under test.

The text below the digits on the meter says that it's 0.071 ft^3 per
revolution which makes it 14.08 revolutions per ft^3 so that's about 140
revolutions for one red digit.

--
Mike Clarke

"Mike Clarke" wrote in message
news
Heliotrope Smith wrote:

The white digits are hundreds of cubic feet and the red digits are tens
of
cubic feet so the moving red counter will revolve 10 times to increment
the white digit by 1.

The test dial records 1 cubic foot of gas per revolution and this is
used
to determine the gas rate of the appliance under test.

The text below the digits on the meter says that it's 0.071 ft^3 per
revolution which makes it 14.08 revolutions per ft^3 so that's about 140
revolutions for one red digit.

--
Mike Clarke

The 0.071 ft3/rev could be a bit misleading but it does not refer to the
test dial but to the internal volume of the measuring device.

This information is required to determine the amount of gas required to pass
when purging the gas installation.

The test dial does in fact show one cubic foot of gas passing for each
complete revolution.

Just noticed the meter is in cubic-FEET.

If you suspect your gas bill is "3x what it should be" then check
billing are listing your readings in cubic-FEET and not cubic-METRES.
It is a not uncommon mistake and can go undetected for low-usage (E7)
houses for years.

On 20:29 21 Sep 2009, js.b1 wrote:

Just noticed the meter is in cubic-FEET.

If you suspect your gas bill is "3x what it should be" then check
billing are listing your readings in cubic-FEET and not cubic-METRES.
It is a not uncommon mistake and can go undetected for low-usage (E7)
houses for years.

My gas bills always seem high so I checked this out.

The bill shows my readings as "imperial units". (Each imperial unit is
equivalent to approx 32 kWh.)

Is an imperial unit the same as a cubic foot?