so when will we see an electric car with a REMOVABLE battery pack?!

 So how much would a NiMH battery pack or Li-ion pack weigh that would
give an extremely lightweight electric car- a range of 40 miles?

That way- one could charge 3 or 4 of them with photovoltaics and/or a
wind-electric generator while driving on one pack.


We need an extremely lightweight (aluminum/plastic) vehicle that can go
40mph for city driving commuters. The interior could be well padded for
safety with airbags. Low speed accidents would not cause severe injury-
especially if the accidents involve two lightweight vehicles.


 Heavier gas guzzlers could be ordered to stay in the right lane at
lower speeds (say- 40mph) and that would be ENFORCED!


 Those heavier gas vehicles would go the way of the dinosaurs- a quick
EXTINCTION!

         misterfact@yahoo.com

  misterfact@yahoo.com wrote:

Well, those two are at opposite ends of the weight scale.

  that would

You must have missed the stories about the "Tesla".

<URL:
http://www.wired.com/news/wiredmag/0,71414-0.html?tw=wn_story_page_prev2  />

<URL:
http://www.autoblog.com/2006/07/20/tesla-roadster-unveiling-in-santa-monica/  
/>

<URL: http://www.teslamotors.com/  />

Just add money, lots of money. Lithium ion is not cheap, neither is the
charge/discharge trivial.

   Jeff

 
This is not usefull.

Every battery has not only a maximal capacity,
it has also a maximal discharge rate.
it has also a maximal charge rate.

A battery for only 40miles would have a to small discharge rate
for fast driving.


They create in Germany just the car, You want,
but much better than You want

The LOREMO

http://car.pege.org/2006-loremo

This stands for LOW REsistance MObility.

4 persons
450 kg weight
cw=0,2 front area 1,1m²

The first version will have a 20 hp Diesel engine.
Only 1,5 litre for 100km. Makes 157 mpg.
20 hp are enough for 160km/h or 100mph!

But it's expected, that the next version will be
electric with or withoug range extension with a generator.

A reasonable battery would be 60kg weight, 9 kWh storage
giving 150 km or 90 miles electric only range.

http://car.pege.org/2006-loremo/electric-and-hybrid.htm

The expected energy consumption is 6 kWh/100km.

Now look on Your households electric bill and calculate
how many kms a year, Your electric consumption would
drive such a car.

Even in not so sunny Germany, one squaremeter photovoltaic
would produce so much electric power to drive this car
2000km per year.

For longer travels, even a small generator like this APU
designed for deep freeze trucks would be enough to
extend the range.

http://car.pege.org/2006-hannover/diesel-fuel-cell.htm

If You want to discuss about this car, the company
creating the car has a forum

http://www.loremo.com/forum

--
Roland Mösl
http://car.pege.org  cars and traffic
http://live.pege.org  building and live
http://www.pege.org