Re: foot pedal power

2011-01-25 Thread Hal Murray
> Given that it's making 60-80W of power it's safe to assume if it's 70% > efficient you're talking about needing 100W of actual energy. 60-80 W is the max that unit can put out. An XO can't use that much power. I have the green wall-wart for an XO-1 plugged into a meter. It only reads power

Re: foot pedal power

2011-01-23 Thread James Cameron
On Sun, Jan 23, 2011 at 12:19:06AM +0400, Mike Dawson wrote: > Such a device would need adaptation for the OLPC to be possible for > kids (particularly those in the developing world) to use. We found by > experimentation with weights that kids 8-12 average max sustained > power applied against gra

Re: foot pedal power

2011-01-23 Thread Ian Stirling
Mike Dawson wrote: > Hi All, > > Such a device would need adaptation for the OLPC to be possible for > kids (particularly those in the developing world) to use. We found by > experimentation with weights that kids 8-12 average max sustained > power applied against gravity was around 11W. They wo

Re: foot pedal power

2011-01-22 Thread Mike Dawson
Hi All, Such a device would need adaptation for the OLPC to be possible for kids (particularly those in the developing world) to use. We found by experimentation with weights that kids 8-12 average max sustained power applied against gravity was around 11W. They would need at least +50-80% of wh

Re: foot pedal power

2011-01-20 Thread Rafael Enrique Ortiz Guerrero
Talking about human power.. potenco version2. http://www.potenco.com/products/pcg2/ Rafael Ortiz On Wed, Jan 19, 2011 at 9:44 PM, James Cameron wrote: > On Thu, Jan 20, 2011 at 10:38:59AM +0800, Carlos Nazareno wrote: > > I can add it to the wiki, but where should I add it? > > It's a Wiki

Re: foot pedal power

2011-01-19 Thread Rafael Enrique Ortiz Guerrero
Hi On Wed, Jan 19, 2011 at 9:38 PM, Carlos Nazareno wrote: > >> Hey Wad, re: human power, there's at least one company that makes the > >> mobile foot pedal charger already, and is marketing it to laptop and > >> cellphone users. > > On 1/19/11, Martin Langhoff wrote: > > Do you have a google? A

Re: foot pedal power

2011-01-19 Thread James Cameron
On Thu, Jan 20, 2011 at 10:38:59AM +0800, Carlos Nazareno wrote: > I can add it to the wiki, but where should I add it? It's a Wiki, add it where you think best. Others may move it or link to it. -- James Cameron http://quozl.linux.org.au/ ___ Devel m

Re: foot pedal power

2011-01-19 Thread Carlos Nazareno
>> Hey Wad, re: human power, there's at least one company that makes the >> mobile foot pedal charger already, and is marketing it to laptop and >> cellphone users. On 1/19/11, Martin Langhoff wrote: > Do you have a google? Apply to wiki.laptop.org for best results :-) > > m Here's one that's le