Earth Hour Launch
Congratulations to WWF and the Earth Hour team on their worldwide launch for Earth Hour next year! You can read more details at the Earth Hour site, or the media releases at the WWF site.
Good luck Earth Hour!
Friction wheel acquisition
As mentioned earlier, we’re using a friction wheel to transmit power from the rear wheel of the bicycles to the generator’s shaft. For testing we’ve been using a large pulley with the grooves turned off. These are expensive and take a long time to prepare, so we’re investigating alternatives such as attaching laser cut steel disks to the shaft.
Measurement
One of the important parts of the Future Spark Team Challenge is figuring out a winner! To do this, we need to be able to measure the power output accurately to judge the competition. ...
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