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Old 11-06-2008, 04:17 PM   #1 (permalink)
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A first? BMW concept vehicle preheats transmission fluid to improve efficiency

Via GCC:

This is actually an old article; not sure why I stumbled across it.

Except I noticed in the illustration: "Solar roof for pre-warming of transmission fluid"

I wasn't sure at first if it was photovoltaics or thermal. Of course, it's PV:

The concept car also features a solar roof which acts as an additional energy source for the vehicle power supply which is independent of the engine. High-power solar cells covering a surface area of some 1.0 square meters generate a maximum energy of one kilowatt hour for consumers inside and outside the vehicle. This enables pre-heating of the gear oil, thereby shortening the inefficient warm-up phase.
The roof can contribute power to other systems too.

This is the first I've ever seen the idea of prewarming a transmission from a manufacturer.

Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata
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Ecodriving test: Manual vs. automatic transmission MPG showdown

has launched a forum for the efficient new Mitsubishi Mirage
www.MetroMPG.com - fuel efficiency info for Geo Metro owners
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Old 11-07-2008, 02:01 AM   #2 (permalink)
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I like how they are improving on old technology instead or inventing something new.

Seriously the ICE needs to die. It's ancient.
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Old 11-07-2008, 02:39 AM   #3 (permalink)
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I know it sounds brilliant on paper but trust me. BMW always finds a complex solution to a simple problem that is guaranteed to fail on spectacular and unexpected ways. Somehow 'keep it simple stupid' never got translated into German. I know. I've owned 3 thus far. The fewer the cylinders, the more fun you have.
Originally Posted by Compaq888 View Post
Seriously the ICE needs to die. It's ancient.
The internal combustion engine will outlive you by at least a century.
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Old 11-07-2008, 05:52 AM   #4 (permalink)
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Originally Posted by tjts1 View Post

The internal combustion engine will outlive you by at least a century.
true, just like the tired old wheel

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