"With stop-start system"

Kostas Kavoussanakis · 2010-04-20T19:28:38+00:00

I skimmed through the wikipedia article on stop-start systems: am led to believe that one breaks even in terms of fuel consumption after a minimum idle-duration (~1 minute? 1.5? I realise it's engine-dependent). If I am right, cars with this system will likely stop the engine when it's not worth it. Or do they include technology which reduces this break-even point?More importantly for me, my car comes with a key to control ignition. :-) Other than battery use and the above consideration, are there other issues associated with my practice to switch it off when I expect longish idling? I admit that in these cases I tend to start and (reasonably gently) push off, I don't hang about delaying traffic.Thanks in advance,

Apr 20, 2010 42 Replies

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DavidR 16 years ago

Useful stuff. Presumably when stop start is designed in the one minute break point doesn't apply. (Assuming the cost of stop/start actually pays for itself over its lifetime.)

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Mrcheerful 16 years ago

when hot the lubrication side of the problem can be ignored. The things that will wear and cost money is the starter motor, and eventually the ring gear on the flywheel, battery and ign switch wear would be unlikely but possible, as would alternator. When cold or dark of course you would get into all sorts of extra logistical problems.

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Kostas Kavoussanakis 16 years ago

Thanks Mr Cheerful.

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