Wednesday, November 30, 2016

Nov 30th- GRNG 201/301

Bicycle Shelter-

Metal sheathing vs plexiglas-- see through vs metal. Can we add solar panels to the roof(supported by steel structure)?


Mr. P. knows a gentleman from the City of Newton who can assist with welding.

Do we need engineering approval? City or others can evaluate.

Unit could be attached to the concrete using expansion bolts- will discuss with principal/assistant principal.


Aquaponics group-

Group should work as smaller sub-groups--- fish feeder, tanks, etc.


Fish feeder group began fabricating feeder mechanism from dowel and block,



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Greengineering has been accepted to LearnLaunch Conference for February 3rd- need to put together exhibits-- soap demonstration and samples, presentation on soap-making with educational component- see for example http://www.labmuffin.com/2014/08/make-your-own-soap-part-1-the-chemistry-behind-soap-making/  .


Need to specify plastic containers to hold ingredients- will check at the Container Store.

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Tested Wind turbine(made with closed-cell foam hub) with USB Charger-




Attached 5V Drok charger placed a significant load on rotor- slowed considerably. 

Blue LED did not put as much of a load on motor/generator.


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