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Search: Posts Made By: MikeUK
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Forum: Canada
Feb 15th 2006, 6:20 pm
Replies: 151
Views: 6,884
Posted By MikeUK

Re: When to plug the car in?!

OK

I consider that worth a reply..

Don’t forget you original said

“Any improvement in fuel economy due to the use of at block heater at say -2 C wouldn't even come close to the cost of...
Forum: Canada
Feb 15th 2006, 3:14 pm
Replies: 151
Views: 6,884
Posted By MikeUK

Re: When to plug the car in?!

so you realy didn't understand ..... :rolleyes:

I'll stop wasting my time
Forum: Canada
Feb 15th 2006, 1:14 pm
Replies: 151
Views: 6,884
Posted By MikeUK

Re: When to plug the car in?!

great analogy...

I prefer to use winter tyres and linux at home...

Both help to avoid crashes :D
Forum: Canada
Feb 15th 2006, 1:13 pm
Replies: 151
Views: 6,884
Posted By MikeUK

Re: When to plug the car in?!

ahh.... so you didn't understand

Right for our not so gifted but A+++ student..

Blocker heater will input X amount of energy…

Therefore this X is equal to an equivalent amount of fuel in...
Forum: Canada
Feb 15th 2006, 12:22 am
Replies: 151
Views: 6,884
Posted By MikeUK

Re: When to plug the car in?!

By the way they also say

In temperatures below 0°C, block heaters can improve overall fuel economy by 10 % or more.
...
Forum: Canada
Feb 15th 2006, 12:05 am
Replies: 151
Views: 6,884
Posted By MikeUK

Re: When to plug the car in?!

easy I calculated the energy a 500watt block heater would deliver in 2 hrs

then worked out how much fuel would be required to generate the same amount of heat (without any losses; 100% conversion...
Forum: Canada
Feb 14th 2006, 9:39 pm
Replies: 151
Views: 6,884
Posted By MikeUK

Re: When to plug the car in?!

stunning!!! my scouting around gave a range from 250w to 1000w

with the big ones being on things like Mack trucks etc



then it's time to get the books out and re-read them...
Forum: Canada
Feb 14th 2006, 9:22 pm
Replies: 151
Views: 6,884
Posted By MikeUK

Re: When to plug the car in?!

so based on that figure 7.64c /kw.h as it was a rough calculation

a block heater is still about 25% cheaper than just ‘burning’ gasoline to heat an engine up

and that’s ignoring all the loses...
Forum: Canada
Feb 14th 2006, 8:50 pm
Replies: 151
Views: 6,884
Posted By MikeUK

Re: When to plug the car in?!

block heaters are between 400 and 500w on average

and given that you can get about 34M joules for 1l of fuel

and a block heater at 500w for 2 hrs uses about 3.6M joules

Just burning the fuel...
Forum: Canada
Feb 14th 2006, 8:34 pm
Replies: 151
Views: 6,884
Posted By MikeUK

Re: When to plug the car in?!

have you ever worked on a Engine ?

do you understand anything about viscosity, fuel vaporization, thermal conductivity...??
Forum: Canada
Feb 14th 2006, 8:29 pm
Replies: 151
Views: 6,884
Posted By MikeUK

Re: When to plug the car in?!

Should we now move on to the environmental benefits of pluging in…

:rolleyes:
Forum: Canada
Feb 14th 2006, 8:08 pm
Replies: 151
Views: 6,884
Posted By MikeUK

Re: When to plug the car in?!

which is why they say use a timer for two hours (which i do)
Forum: Canada
Feb 14th 2006, 7:13 pm
Replies: 151
Views: 6,884
Posted By MikeUK

Re: When to plug the car in?!

err....

maybe the point that the use of a block heater helps with fuel economy...

that's why I use it in weather below 0 deg C !!


to quote the Canadian government: In temperatures below...
Forum: Canada
Feb 14th 2006, 5:55 pm
Replies: 151
Views: 6,884
Posted By MikeUK

Re: When to plug the car in?!

Well I [i]know[/] that I'm not.. :rolleyes:

But then again I suppose that’s the benefit of a scientific education :D

Its always amazed me how many people choose to believe in something...
Forum: Canada
Feb 14th 2006, 1:41 pm
Replies: 151
Views: 6,884
Posted By MikeUK

Re: When to plug the car in?!

some reading matter..

http://www.climatechange.gc.ca/onetonne/english/tips/wintertips.asp

http://oee.nrcan.gc.ca/transportation/personal/driving/autosmart-maintenance.cfm?attr=8
Forum: Canada
Feb 14th 2006, 1:36 pm
Replies: 151
Views: 6,884
Posted By MikeUK

Re: When to plug the car in?!

Personaly I now plug it into the timer every night, except in the rare circumstance that it's going to be above 0..

The easy of starting and the quicker rise to temp seem to have reduced the gas...
Showing results 1 to 16 of 16


 
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