Wednesday, March 30, 2011

Point of non-return for East Leake

30th Mar '11: I had an email from David in East Leake to say that in the plumbing layout, they had forgotten to include the Non Return valve. This simple omission must have caused it to under perform. It has captured about 110 kWh since February, whereas my Surya Sunbox installation at Peveril has captured nearly 4 times that! I was worried it might be due to not being air tight, but really, the greenhouse effect works even if a structure is not fully airtight.
  So I will now observe future meter readings and hope that his installation catches up eventually!

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