Recent content by countryman

Yet no-one has been able to provide any formulae etc to expand the topic further. A lot is said about house construction (high mass vs low mass) but that doesn't take the discussion any further. I think the key question is if your house is badly insulated then it's losing heat all the time...

This is a fabulous forum...I'm learning all the time.

Thanks again for all the input. But if nitrogen is slightly lighter than air, then how do you get it to force the air out ?

Thanks guys..some excellent suggestions there. Borek...isn't nitrogen lighter than air ? I'm a past-master at over-engineering:smile:

Thank you both for your replies. Both my wife and I enjoy a decent bottle of wine...emphasis on 'decent'. Ideally some days we would like to spread consumption over two days but not all wines survive that well enough. The vacuum devices are useless because by the time you use it, the damage...

I hope you folks can help. I want to be able to pour a liquid from one container into two others in the absence of air. So I was thinking of making some sort of vacuum chamber out of 1/2" polycarbonate and some heavy duty plastic sleeving into which to place my hands and arms. Or am I being...