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PostSubject: Car question   Car question EmptyTue Apr 08, 2014 2:18 pm

I had a disagreement recently with someone about cars. I know next to nothing about such things.

I said that running headlights, radio, wipers etc didn't affect petrol consumption. He said it did.

Which one of us right?
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zyph

zyph

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PostSubject: Re: Car question   Car question EmptyTue Apr 08, 2014 2:41 pm

I would have thought that running electrics would only effected the condition of your battery....a battery that is not in top condition could take longer to start the engine...therefore using a minimal amount of extra petrol.....in otherwords I have no idea.
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pepsipete

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PostSubject: Re: Car question   Car question EmptyTue Apr 08, 2014 2:51 pm

Making the alternator work harder does increase fuel consumption.
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Czarcasm

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PostSubject: Re: Car question   Car question EmptyTue Apr 08, 2014 2:51 pm

If he drives a hybrid then theoretically he could be sort of right. Did he mention air-con? Running air-con will most definitely affect fuel consumption.
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PostSubject: Re: Car question   Car question EmptyTue Apr 08, 2014 3:01 pm

I know about the air-con issue & that does increase fuel consumption.

It's the making the alternator work harder for things like lights, radio etc that I'm not sure about.
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PostSubject: Re: Car question   Car question EmptyTue Apr 08, 2014 3:14 pm

.


Last edited by GOB on Tue Apr 08, 2014 3:15 pm; edited 1 time in total
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PostSubject: Re: Car question   Car question EmptyTue Apr 08, 2014 3:15 pm

The alternator is run by a belt that in turn is run by the engine. If the battery isn't being used then there is no demand placed on the belt and therefore the no demand on the alternator. If the battery is used then demand will be placed on the belt and therefore also the alternator and in turn again, the alternator places demand on the engine, hence it is using fuel, petrol.

Get a push bike!

Men burn about four calories per minute during sex and women about three, hence why women don't do cars but they do, do batteries.
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PostSubject: Re: Car question   Car question EmptyTue Apr 08, 2014 3:24 pm

Why has no animal ever evolved wheels, that's what I wanna know?
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PostSubject: Re: Car question   Car question EmptyTue Apr 08, 2014 3:26 pm

Car question Image113
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PostSubject: Re: Car question   Car question EmptyTue Apr 08, 2014 3:28 pm

OK, I was wrong  clown 
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Czarcasm

Czarcasm

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PostSubject: Re: Car question   Car question EmptyTue Apr 08, 2014 3:54 pm

GOB wrote:
Why has no animal ever evolved wheels, that's what I wanna know?

I woulda thought that was obvious. Have you ever seen a cat trying to change a brake pad? Hopeless, they are...
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hippo



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PostSubject: Re: Car question   Car question EmptyTue Apr 08, 2014 8:56 pm

ha ha, watch them springs boing away Smile I hated them.
With hindsight (and being a lady hippo, one does like batteries)
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