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Old 05-08-2020, 04:22 PM
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I hope that forum members will appreciate the engineering complexities at work with Neil's device.
  1. The size of the balloon at various inflated pressures/volumes. A weather balloon won't work.
  2. The elasticity of the balloon. A stainless steel balloon won't work.
  3. The influence of color. Beyond my bachelor's degree in engineering.
  4. The influence of atmospheric pressure. Ditto.
  5. The influence of oxygen permeability, as pointed out by Spike. Way beyond.

All this stuff makes my head hurt, but kudos once again to Neil.

Bill
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