Talk:Solar Fire Drawings

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Revision as of 23:47, 25 June 2011 by Gregortheinventor (talk | contribs) (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 ...")

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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.

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