Peri Hartman via EV wrote:
So, how can one explain the difference in drain ? How much telematics is
necessary while the car is parked and unused, it just seems horribly
excessive. But these designers aren't stupid, there must be a reasonable
explanation.
My impression is that automakers don't think about power. A car clock
takes 1000 times more power than a wrist watch. A car radio takes amps,
while a portable radio takes milliamps. If you want examples of the
least efficient motors, look at automotive 12v ones.
When designers need to make something run for a long time on a small
batteries, they get serious about power savings. We have solar
calculators, and watches that run for years on a coin cell, and wireless
alarms that run for years on a 9v battery. They just haven't bothered to
think that way in cars.
Besides, "Who would buy our expensive new car, and then let it SIT for
weeks?"
Lee
--
A designer knows he has achieved perfection not when there is
nothing left to add, but when there is nothing left to take away.
-- Antoine de Saint Exupery
--
Lee Hart, 814 8th Ave N, Sartell MN 56377, www.sunrise-ev.com
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