Why not try a container with angled walls (wider at the top). Unless the ice strongly adheres to the walls, as it freezes from the top it will push up and ...
Alternatively, insert a cone in the middle of the container protuding slightly above the water for the same effect. Or a cylindrical bladder that can compress....
Laren - In finality, the cold storage unit will be underground. Accessability for the bottle exchange would be a problem. Maintainance free is part of the...
But, A.D,, air doesn't present all the mechanical demands and problems of fluids and it just freely and naturally falls down a very simple chute into any...
... problems of ... chute into ... You have to get the cold back out of it. Cant do that with falling air if its in the ground. Or should I hang 500 gallons of...
It seems to me that we have two separate processes being discussed. One is the production of ice by taking advantage of the cold air collecting over the ...
Mike - Sorry about that last tirade. You know, I'm as eco as the next guy, and I dont like feeding corporate irrisponsibilities just like anyone else. But, I...
... Ken, Please fill me in...I feel the same way about the crap that goes on with the forum so I Email people apart from there too... I think you may have me...
Ken, I like the idea of the oil filled straws or bladders. Have you considered using ammonia or similar instead of 134a in the heat pipe? As long as you handle...
Hello there, I may be installing a heat-pump water heater soon. There are two models I know of, the Watt$aver and the Solahart Synergy. Does anyone have any ...
You are right about misunderstandings. There are some list moderators that are semi demented or power hungry or something as well as members on various lists...
I have been sitting this out quietly, in the hope that it would just blow over, but it is obvious that sharks smell blood, so I will put an end to it, here and...
Wasn't it Picasso who said, good artists borrow, great artists steal? ;-) ... Nice moderating Laren. Hopefully people won't bother taking it personally, and...
I, too, have learned SO much here, and tho I don't even understand yet a lot of the concepts/language, SO much has helped me build my little solar heater when ...
... I've specified the Watt$aver, with no complaints... : ) ... I presume you mean for the incoming air for the exchanger.... In summer, I call for using...
Thanks Don. I have since discovered that the Synergy isn't available here in the US, so I'm not sure there are any alternatives to the Watt$aver. I wouldn't...
The evaporator is in the back... of my mind. This is a thought experiment for now. I'm thinking through implications. If/as I develop the idea further, I'll...
Keith, I find this a most interesting and mind-stretching idea.... But imagine carrying it a step further, with a combined refer and water heater unit, using...
Interesting thinking and good report on your research, Ken. ........Just "leave your rants at home"... : ) When you get to thinking of creating a full-sized...
Those who have read my article on the subject of Passive Annual Refrigerators (first post in the archive) will have found the link (below) to a real world...
Laren, I wonder if there's a way to put together all the past posts on the "passive pop-bottle Ice-vault" type system in one single grouping, so that new folks...
Hi Don, Well, yes, that's what I've been imagining: I just thought the first step might be using air as an exchange medium between two off-the-shelf units. I'm...
"Don Stephens" <dsteph@...> ... Hi Don; I intend to write my definitive article (so far) about it for ESSN before the end of winter. It will include new...
Be careful with the COP numbers as there is a slight wrinkle since, in practice, the input is also added to the heat output. Therefore the values of COP often...
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