IIRC, they have to cool the batteries as well - but I don't remember if that's during driving, or only while charging. More heat to put to good use regardless ... Are Peltier chips more or less efficient than heat pumps? They can heat or cool.
On Thu, Aug 22, 2019 at 11:39 AM Jim Cathey via Mercedes < mercedes@okiebenz.com> wrote: > > A fuel powered vehicle produces heat which is obviously needed for > comfort and to keep the windows clear. > > The auxiliary radiator in a fueled vehicle is one of the most elegant bits > of engineering, ever. > Taking a waste product (heat) and making full use of it for comfort and > safety. REV's don't have > much waste heat, and so far as I know nobody's making use of it. If they > did, it'd have to be > like a VW beetle, with an air shroud capturing the motor heat. REV's can > choose to use a heat > pump rather than resistive heat, which gives them something like a 3x > multiplier for the energy > expended. Still, they're at their worst in cold weather no matter what. > > -- Jim > -- OK Don "Whenever you find yourself on the side of the majority, it is time to pause and reflect." Mark Twain "There are three kinds of men: The ones that learns by reading. The few who learn by observation. The rest of them have to pee on the electric fence for themselves." WILL ROGERS, *The Manly Wisdom of Will Rogers* 2013 F150, 18 mpg 2017 Subaru Legacy, 30 mpg 1957 C182A, 12 mpg - but at 150 mph! _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
