Car Talk - Non S2000 General Motoring and Non S2000 Car Talk

Lag your lump!

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Old Oct 20, 2009 | 09:48 AM
  #1  
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Default Lag your lump!

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Interesting research into making IC engines less inefficient; it's surprising how much energy FREDs are now swallowing!
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Old Oct 20, 2009 | 09:54 AM
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An interesting article, cheers Nick Sounds like small gains for alot of effort though...a bit like NA tuning on the S.

I do like the idea of heat retention however...cold starts really do kill economy. I wonder if the quoted 12 hour figure was overnight when temperatures can dip dramatically, or during the daytime?
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Old Oct 20, 2009 | 10:01 AM
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Bavarian winter or coastal summer? Who knows?

I had an idea about putting one's bread dough in there, to be ready in the AM!

Like you say, a lot of weight & complexity for nothing at the moment. Hybrids are bad enough for regenerative braking. But there's still all that waste exhaust heat, which IIRC only Scania is turbocompounding back to the flywheel.

Didn't realise heaters were an issue on Diesels though; The 'Lude's gets toasty when you VTEC it!
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Old Oct 20, 2009 | 10:56 AM
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What you want is an adaptation on those endo/exo-thermic hand warmers.

They are liquid until you click the metal thing, then they go solid and put out masses of heat.

They return to liquid when they have been heated up.

Of course, this makes it an ideal coolant - solid it heats the engine quicker and when it gets hot, the liquid aspect can be used to dispurse heat by conventional cooling means.

Unfortunately, I can't offer any more insight into this because I have just thought about it now

I'm sure it's wonderfully flawed.
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Old Oct 20, 2009 | 10:59 AM
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Old Oct 20, 2009 | 11:19 AM
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Yeah, like most of the shit I invent, it's ahead of our technology. Or just useless...
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Old Oct 21, 2009 | 01:41 PM
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Waste heat to heat the car? Hardly revolutionary, I've been flying planes from the 1950s that do exactly that
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Old Oct 21, 2009 | 02:00 PM
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I had a mini that heated the interior with the exhaust.

smelt bad, didn't pass it's mot and got scrapped
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Old Oct 21, 2009 | 11:48 PM
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i thought bmws were heated by the anger of the driver being stuck 1mm behind an inferior car on the motorway.

or something.
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Old Oct 22, 2009 | 01:10 AM
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Think that's Audis these days, but good one!
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