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Old 19-11-2008, 03:02 PM
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Terry B
Country living & viewing

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Join Date: Mar 2006
Location: Armidale
Posts: 2,790
Quote:
Originally Posted by Ian Robinson View Post
Air refrigerating the observatory during the hot days of summer is an idea.

Snip
I'm sure it can be done but I think the cost of running an aircon to keep a little shed cold all day long to save ~30mins of cooling time with a small mirror is a bit extravagant on green house gases and the electricity bill. OK if you have a 1 tonne mirror that would never cool doen otherwise.
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