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RE projects for technology courses

Posted: Thu Mar 06, 2008 6:06 pm
by shawn
I'd like to start a forum discussing interesting projects in that teach about renewable energy as a technological centerpiece. Please reply if you know about any good projects.

Solar recharged power lawnmower

Posted: Thu Mar 06, 2008 6:13 pm
by shawn
Appropedia is an excellent site for technological innovations, mostly on the scale of an individual's work:
One example is the Solar Charged Lawnmower, a car-battery powered lawnmower.
It seems like such a good idea, since the more sun a lawn gets, the more the grass grows, and the more the PV panel charges the battery. I would turn it into a lesson about right-sizing the electric components (motor, panel, battery). It seems from the article that the author manifested physics-learning in his discussion of sizing.
Appropedia also includes an article about a solar food dehydrator, which explicitly describes an engineering process: ... Dehydrator