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| Solar parabolic heater http://byap.backyardmagazines.com/forum/viewtopic.php?f=8&t=3445 |
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| Author: | Outbackozzie [ May 11th, '08, 20:19 ] |
| Post subject: | Solar parabolic heater |
How about the stainless wort chiller coil in the FT, and one on this: http://www.rpc.com.au/catalog/solar-coo ... 93d98b5ed7 |
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| Author: | Hamish [ May 11th, '08, 20:43 ] | ||
| Post subject: | Re: Solar parabolic heater | ||
Thats pretty cool (or hot!) wonder if it would work for our use? Wonder how quich the sun would heat a small flow of water through a coil? Might be better to use a welded container something like this and paint it black? Then just run a vers small flow through it. Could you use raw fish water - if the pipes were big enough to avoid blockages? Perhaps the high heat would kill bacteria which would not be ideal?
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| Author: | Outbackozzie [ May 12th, '08, 19:04 ] |
| Post subject: | Re: Solar parabolic heater |
Would have to be a stainless container....starting to think from other threads that maybe solar cant provide enough heat... |
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| Author: | DanDMan [ May 12th, '08, 21:38 ] |
| Post subject: | Re: Solar parabolic heater |
I think that solar is not at all cheap. To be effective you have to store your heat. If using water then you can store 1 btu per pound of water per degree. So how many btu's would a person need to keep their system warm all night? You would have t o heat salt or water during the day and keep it insulated then you need a second part if the system to exchange store heat with the fish tanks. Dollar for dollar I am leaning towards a wood or rubbish fired water heater  Even like this would work: http://www.instructables.com/id/How-to- ... d-hot-tub/ Most ideally a wood gas a producer setup would burn wood very efficiently or a wood pellet stove that turns off when the correct temperature has been reached. |
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| Author: | Hamish [ May 13th, '08, 21:02 ] |
| Post subject: | Re: Solar parabolic heater |
I wish I could - but not sure I could start a fire in the backyard of my little town house. I think the land lord might have something to say about it! 
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