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This is as old as Archimedes defense of Syracuse
an array of mirrors mounted on a parabola, and used to ignite the sails of Roman ships. From his geometric studies he would have known about the focussing properties of the parabola. Still, this would have needed a lot of small mirrors with good surfaces and accurate placement to work.
You wanted to apply the inverse square law, so the sun is the isotropic light source. You compare the 1000 watt per square meter intensity at 93 million miles versus 93 million miles plus 200 miles when the sunlight reflects off a flat surface, like a mirror, or a plane wing.
Thank you! But I'm not sure if that was ever implemented?
Originally posted by Bordon81
reply to post by SarK0Y
world.std.com...
an array of mirrors mounted on a parabola, and used to ignite the sails of Roman ships. From his geometric studies he would have known about the focussing properties of the parabola. Still, this would have needed a lot of small mirrors with good surfaces and accurate placement to work.
eSolar power plant technology utilizes small, flat mirrors which track the sun with high precision and reflect the sun's heat to a tower-mounted receiver, which boils water to create steam. This steam powers a traditional turbine and generator to produce solar electricity.
These mirrors are flat my friend:
Originally posted by SarK0Y
reply to post by Bordon81
don't compare parabolic mirror with flat, there're about to focus entire collected energy to one point + where is parabolic mirror in the airplane??
1000/(93000200/93000000)^2
Let's insert some smaller numbers. 1000 watts per square meter at 2 meters distance will be how many watts per square meter at 4 meters distance?
Originally posted by SarK0Y
reply to post by Arbitrageur
1000/(93000200/93000000)^2
once again, my friend, what does it mean???? if you want to get Sunlight Intensity at the further point, you must use SI/(93000200^2)
The total quantity of energy emitted from the sun's surface is approximately 63,000,000 Watts per square meter
Originally posted by paearmor
reply to post by trailertrash
Im late..sorry..and trying to keep up!! Ok..I reallly dont think that N Korea has ICBM capable subs...just saying. And I dont think China trusts them with one either..but, you never know...N Korea is just a proxy for China anyway..so...lets just say they did "give" one fully loaded to N Korea...that would be something!!
Originally posted by backinblack
reply to post by smurfy
Well America West Flight 808 has already been proven wrong..
That's been altered to UPS flight 902.
But still no confirmation..