Search found 8 matches
- Wed Aug 24, 2005 5:50 am
- Forum: Waste Heat
- Topic: power for a house
- Replies: 15
- Views: 107053
Response to power for a house
<t>I have thought of the fresnel approach with all the little mirrors but what I suspect is that it would be less efficient than a dish of comparable area. Maybe would still get plenty of energy, but more is better. due to the loss of light intensity as it travels from the flat mirrors to the focal ...
- Wed Aug 24, 2005 5:50 am
- Forum: Waste Heat
- Topic: power for a house
- Replies: 19
- Views: 285246
Response to power for a house
<t>I have thought of the fresnel approach with all the little mirrors but what I suspect is that it would be less efficient than a dish of comparable area. Maybe would still get plenty of energy, but more is better. due to the loss of light intensity as it travels from the flat mirrors to the focal ...
- Thu Aug 18, 2005 7:10 pm
- Forum: Waste Heat
- Topic: power for a house
- Replies: 15
- Views: 107053
Response to power for a house
BTW, for small dishes, I love that drum procedure. I would tweak it a little but it is perfect simplicity and I love that...
- Thu Aug 18, 2005 7:10 pm
- Forum: Waste Heat
- Topic: power for a house
- Replies: 19
- Views: 285246
Response to power for a house
BTW, for small dishes, I love that drum procedure. I would tweak it a little but it is perfect simplicity and I love that...
- Thu Aug 18, 2005 6:58 pm
- Forum: Waste Heat
- Topic: power for a house
- Replies: 15
- Views: 107053
Response to power for a house
<t>sorry that the link is dead now...<br/> <br/> A sheetrock square and a piece of string no longer than 8 ft... Attach one end of the string to the tip of the long leg of the square. get a rigid piece of 4'x8' material. If you mark a point at the center of the long side and put a nail there to atta...
- Thu Aug 18, 2005 6:58 pm
- Forum: Waste Heat
- Topic: power for a house
- Replies: 19
- Views: 285246
Response to power for a house
<t>sorry that the link is dead now...<br/> <br/> A sheetrock square and a piece of string no longer than 8 ft... Attach one end of the string to the tip of the long leg of the square. get a rigid piece of 4'x8' material. If you mark a point at the center of the long side and put a nail there to atta...
- Thu May 19, 2005 12:27 am
- Forum: Waste Heat
- Topic: power for a house
- Replies: 15
- Views: 107053
Response to power for a house
<r><URL url="http://www.cc.jyu.fi/~hvirtane/cooker/node8.html">http://www.cc.jyu.fi/~hvirtane/cooker/node8.html</URL><br/> <br/> this link shows how to simply create a perfect parabolic curve on a flat piece of rigid material (ie plywood) that you could then use to create a form for the dish by rota...
- Thu May 19, 2005 12:27 am
- Forum: Waste Heat
- Topic: power for a house
- Replies: 19
- Views: 285246
Response to power for a house
<r><URL url="http://www.cc.jyu.fi/~hvirtane/cooker/node8.html">http://www.cc.jyu.fi/~hvirtane/cooker/node8.html</URL><br/> <br/> this link shows how to simply create a perfect parabolic curve on a flat piece of rigid material (ie plywood) that you could then use to create a form for the dish by rota...