https://wiki.opensourceecology.org/index.php?action=history&feed=atom&title=Talk%3ASolar_Fire_DrawingsTalk:Solar Fire Drawings - Revision history2026-05-05T13:31:49ZRevision history for this page on the wikiMediaWiki 1.39.13https://wiki.opensourceecology.org/index.php?title=Talk:Solar_Fire_Drawings&diff=32254&oldid=prevGregortheinventor at 23:56, 26 June 20112011-06-26T23:56:27Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 23:56, 26 June 2011</td>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Are you sure about this 1000x <del style="font-weight: bold; text-decoration: none;">focal </del>ratio stuff? Even a perfect parabola is limited by the optics. The ratio of the distance to the sun <del style="font-weight: bold; text-decoration: none;">divided by </del>the distance from the bottom of the parabola multiplied by the size of the <del style="font-weight: bold; text-decoration: none;">sun</del>.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Are you sure about this 1000x <ins style="font-weight: bold; text-decoration: none;">concentration </ins>ratio stuff? Even a perfect parabola is limited by the optics. The ratio of the distance to the sun <ins style="font-weight: bold; text-decoration: none;">and the </ins>the distance from the bottom of the parabola <ins style="font-weight: bold; text-decoration: none;">to the focal point, </ins>multiplied by the <ins style="font-weight: bold; text-decoration: none;">size = size of image, so </ins>size of the <ins style="font-weight: bold; text-decoration: none;">collector divided by size of image</ins>.</div></td></tr>
</table>Gregortheinventorhttps://wiki.opensourceecology.org/index.php?title=Talk:Solar_Fire_Drawings&diff=32207&oldid=prevGregortheinventor: Created page with "Are you sure about this 1000x focal ratio stuff? Even a perfect parabola is limited by the optics. The ratio of the distance to the sun divided by the distance from the bottom ..."2011-06-25T23:47:00Z<p>Created page with "Are you sure about this 1000x focal ratio stuff? Even a perfect parabola is limited by the optics. The ratio of the distance to the sun divided by the distance from the bottom ..."</p>
<p><b>New page</b></p><div>Are you sure about this 1000x focal ratio stuff? Even a perfect parabola is limited by the optics. The ratio of the distance to the sun divided by the distance from the bottom of the parabola multiplied by the size of the sun.</div>Gregortheinventor