Electric TM meets 290HP battery

[Ron Werner]

http://www.break.com/index/electric-vs- ... ngine.html

I wonder what the amp hours would be on a battery like that in these 2 cars.
Only need 30-40hp to run a blower, say 10hrs continuous usage.

 

[Royal Man]

I read the other day aboiut what is called Tesla's brick issue. If a Tesla goes without a charge for too long it turns into a brick. Then it has to go back to the factory for a 40K fix.

Anyway, Instead of plugging into the car, to then charge the batteries, to then the power the blower. Wouldn't it make more sence to just plug in a motor to power the blower directly and save over 200K?

It's like buying a treadmill so, you can take your dog on a walk. Instead of simply opening up your front door.

 

[idreadnought]

you would only need about 15-18 hp electric motor to power a truckmount. Electric horsepower and gasoline hp is much different.

The problem you run into is batteries. At 18hp you would need 300 amp hours of battery per hour. That would be 1500 amp hours of batteries for a 5 hour cleaning day. Also most batteries only recomend you discharge them 50% for maximum batery life.

There is a 332 amp hour battery from a forklift on ebay. It weighs 300 lbs and costs $1500. You would need six of them. Six of those batteries would weigh 1800lbs, a little under a ton.

The money you save by running batteries would be offset by the extra cost in transporting the system to the jobsite. A

 

[Larry Cobb]

http://www.break.com/index/electric-vs-gas-powered-engine.html

I wonder what the amp hours would be on a battery like that in these 2 cars.
Only need 30-40hp to run a blower, say 10hrs continuous usage.

The Tesla Roadster S uses the same efficient 18650 lithium ion cell we utilize in our UV inspection light.
http://www3.cobbcarpet.com/zen3/index.php?main_page=product_info&cPath=69&products_id=1384

The cell is also used in new computer notebook batteries.

It is a 3 AH cell and the Tesla uses 69 of them in parallel.

So the AH is ~69*3 = 207 AH.

Voltage is 99 x 3.75 VDC nominal = 375 VDC.

Larry