Like my Texaco packs ! :)
TVs used to last 5 to 10 years.
Now they are made to last 2 years or so.
Computers and laptops too.
That may be why I am finding so many laptop batteries so cheap ! They are for laptops older than 2 years and who wants a laptop that old ?
The batteries are...
I bought 2.
One smoked when I powered it up with no battery connected.
Opened it up and the ic near the temp port was cooking.
I have switched to this brand.
http://hyperion-world.com/products/type/15
This is what they are rated and will do.
New oem laptop battery packs are where these batteries are used.
http://www.batteryonestop.com/baotongusa/products/datasheets/li-ion/Samsung-SDI-ICR18650-26A.pdf
http://behindthewall.msnbc.msn.com/_news/2011/09/14/7763968-chinas-soaring-costs-could-help-american-jobs
This was on the news about China.
Hobbyking is out of a lot of stuff.
Cool stuff !
The book I pointed you to was to help you understand how DA gets the results he does.
I am an older person that rode fast motorcycles for many years and lived to tell and I don't feel the need to go so fast anymore. :)
20mph or so on a bicycle is fast enough for me ! :)
I have...
On page 146 of Electric Bicycles A Guide to Design and Use it claims typically an electric bicycle will use about 10 Wh for each kilometer traveled with a rider mass of about 80 kg.
Lots of test results in that book and a very good read.
It can help you understand...
Hey, think outside the box and design one that runs cool and does not waste power making extra heat :)
That is a for sure sign of a well designed system ! :)
And I hear you about bicycle components. Those cost money.
A good chain can cost as much as a Walmart bike.
I think I can design a...
http://www.google.com/#sclient=psy&hl=en&source=hp&q=electric+bicycle+site:craigslist.org&pbx=1&oq=electric+bicycle+site:craigslist.org&aq=f&aqi=&aql=&gs_sm=e&gs_upl=52532l60016l0l60407l21l21l1l0l0l2l234l3170l2.11.7l20l0&bav=on.2,or.r_gc.r_pw.&fp=2ea25270560d40fb&biw=1016&bih=563
No doubt...