Heliostat Concept
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See my videos on how to do single-axis heliostat tracking without electronics. Basically, you point the rotating axis of the heliostat half way between the target and celestial south and rotate at 15 degrees per hour. Then you have another axis perpendicular and on top of that one that is adjusted as the season changes.
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Wow! This is fantastic Marcel -- a personalized super clear way of communicating technical information and innovative ideas globally, sharing with the world (domain general) yet focusing on the local problem at hand (domain specific). I am honored and flattered to be the recipient of this! What is more, this will really encourage Mahmoud Dardir who has been toying with the idea of mirror reflection for his shaded roof in Abu Nomros in Giza. 2 Sol! I love the concept! God bless you for this!
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A Heliostat tracking scheme: For Azmuth use a simple tracking eye. Bisect target by mounting this eye on a small freewheeling flat pulley with a two to one reduction to a pulley mounted to the azmuth axis. One pulley twice the diameter of the other and use any non stretch small flat belt or segment. (like a small timing belt out of a printer). For inclination use a polar mount at half the normal incline. One motor. Workablble? Wonderful animation here!! Thanks
desertblbuesman 4 years ago
Sounds interesting... I'm tinkering with the Arduino electronics prototyping board, a couple of servos and LDRs. Arduino does the math on the detected angle of the sun and drives the second servo to the target angle. It works on the bench but I've not got time right now to take it all the way.
[m]
Beardy241 4 years ago