Saturday, 15 March 2014

Week 15: Day 1

William's idea was a brilliant one, but unfortunately it was difficult to build and I decided to revert back to my second original model- with some modifications since last time it did not produce much results. This took much of the class.

Firstly, I changed the foam base to a wood one. I took out the fan and metal rod part and attached it to the wooden base with glue gun. Then I tested it again. However, the rod keeps moving back and forth, so we stuck a bit of foam to keep it from moving too much. The foam broke however so we used glue gun next, which was also ineffective. We finally decided on the rubber band, which was okay but did not work as well as I hoped.

Next, when I tested it again it still hardly produced any results. Therefore, I looked at places where could be possible problem spots. I thought it was because of the copper wire; while it was thick, there was tape around it to keep it from moving. The tape was an insulator, which may effect the energy flow. I removed that and used the coper wire itself to keep it from moving. However, that would mean that it wouldn't be in perfect loops. In the end I decided to use tape, but much less. I also made a smaller coil to test that. The results weren't very much different, though.

At this moment the period is already over, so at home I went over things that could've gone wrong and made adjustments to the copper wire and made the model a bit less shaky.

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