2015-05-30 (Sa) Wind Generator Turbine Design Tests

One-liter bottles were gathered to find the best method for soda bottle deconstruction. A razor saw, razor knife and scissors were used. The first method was to make cuts down the side of the bottle with a razor. Instead of relying on lines drawn with a marker the seams in the bottle were followed. These seams were not noticed when marker lines were drawn but are now evident. Bottle bottoms are thicker plastic than the sides so it was cut with a fine razor knife. At the nozzle end of the bottle scissors were used to shape the cut in order to make it a scoop with the nozzle intact. The first bottle was successfully bisected.

Bottles, razor knife, and razor saw

Seam on bottle highlighted

Sides of bottle cut with razor knife

Bottle cut with scissors
Razor saw bisecting bottom of bottle

One bisected bottle

The second bottle was bisected by cutting the thick bottom first with the hope that the structure would be easier to handle for the cutting. Cutting the bottom first was easier than cutting the sides first but after cutting apart two bottles a motorized saw will be used to cut the 2-liter bottles which will be used for the wind turbines. Learning on the 1-liter bottles was a good choice since the bottles will now be cut uniformly. Pictures of the small 1-liter bottles were made after putting the bottles into the plastic support pieces to give an idea of the desired shape.

2 bottle halves arranged to make a wind turbine

Wind turbine hanging from 5/16" (8mm) bolt

Files for Wind Generator Turbine Design Tests

To do:
  • Cut and drill new bottle holders
  • Get two liter bottles
  • Construct wind turbines
  • Start testing

The rest of the posts for this project have been arranged by date.

First time here?

Completed projects from year 1.
Completed projects from year 2.

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2015-05-26 (Tu)