When we last reported on the One Laptop per Child (OLPC) research
initiative’s $100 laptop, the device had lost its hand crank which was to
supply the unit with additional power when required. The laptop, looking very
much like a production machine, sported USB ports, headphone and microphone
jacks and a smallish keyboard.
We've now learned that while the hand crank has been ditched
from the laptop's final design, another human-powered mechanism will be in place
courtesy of Squid Labs. The pint-sized users will pull
a string that will spin a generator separate from the laptop. "With a
hand-crank system, if you're gung-ho about it, you can get about five watts out
of it. But you get tired after about a minute or so," says Geo Homsy, a designer at Squid Labs. A projected 20 watts will have to be
generated to in order to give ten minutes of run time for every one minute of
human effort. The generator will also run at low RPMs in an effort to keep
noise levels at a minimum. "If you imagine an entire school room full of
kids using this thing, it needs to be as quiet as possible. Otherwise it will
drive everyone insane," said Homsy.
The pull-string system isn't the only power alternative
being looked at for the $100 laptop though. The project leaders are also
working with firms to create high-capacity batteries that can be paired with
the generator to give children the ability to use the laptop for up to eight
hours at a time.
Taiwanese laptop giant Quanta has confirmed that it will begin producing the $100
laptops during the first quarter of 2007. Quanta, which is a part of the
Taiwanese “Big Four”
is projected to ship between 22 - 23 million laptops during 2006 with that
number rising even further for 2007.