SI
SI
discoversearch

We've detected that you're using an ad content blocking browser plug-in or feature. Ads provide a critical source of revenue to the continued operation of Silicon Investor.  We ask that you disable ad blocking while on Silicon Investor in the best interests of our community.  If you are not using an ad blocker but are still receiving this message, make sure your browser's tracking protection is set to the 'standard' level.
Politics : Politics of Energy -- Ignore unavailable to you. Want to Upgrade?


To: Maurice Winn who wrote (67770)1/7/2016 8:32:27 AM
From: Eric  Read Replies (1) | Respond to of 86350
 
Thanks for the update on the latest weight of only 540 kg. In which case my rinky dink little 7SSS [tm] battery will be 70kg. Another 400 kg is a lot weight to hump around the country. It's a lot more $$$ sitting doing nothing too. And a lot more $$$ to replace. And a lot more load to build the car around so my tyres, wheels, motors, suspension, car body, will all be able to be a lot lighter and therefore use less energy to drive up and down, and will cost less to buy. I guess you don't understand economics or technology.

You don' t understand the structural elements of the car.

The batteries are contained in a aluminum and titanium structure that is critical to the structural integrity of the car.
There is very little weight penalty! The drive train of the Model S weighs half that of the BMW!

Add it all up and they weigh about the same!

And the S runs circles around the BMW..

A smaller battery pack of the size you suggest with battery swapping just would not work.

You don't know much about batteries.. Study ESR and it's affects on batteries.

It's critical to the efficiency of batteries at high current draws.

Look at the energy going into each car and what it uses per mile.

The Tesla is over four times more efficient in absolute terms.

If you need help calculating it I would be more than happy to help you.