Friday, January 27, 2012

Day 3 : Coils and Magnets.



We got into the workshop a little later today, mainly due to a pretty late night last night! Although we arrived at the same time as the others as they had spent the morning picking up various supplies. After rolling some more coils we got started mounting the magnets for the generator. In the smaller more compact design we are mounting the magnets on the same plate where we are mounting the blades.

The first stage was to pour a layer of resin over the plate so we could avoid scratching the coating from either the magnet or the plate, thus preventing corrosion which has been an issue in the past. Once that had dried we used a mold that we had prepared to ensure that the magnets where evenly spaced. Needless to say, the combination of superglue and magnets on a metal surface made it a bit tricky, in the end though we just about managed it! The next step is to build a mold to help us set the magnets in resin, but as its Friday evening, we will leave it until later!

In the meantime the mold building had been coming along, after the CNC ran its initial rough cut, Micheal and Jan covered it in a layer of fibreglass and resin, before the close cut to help give it a nice smooth finish.

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