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Directory:Synchronous Solar Heliostat

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A Stationary Heliostat for Solar Energy Reflection

This is a permanent free energy resource.

by William A. Rhodes, Ph.D. PES Network Inc Consultant


I have three patents (expired) on a synchronous solar heliostat. 

It is computer driven, always facing the sun in all seasons

regardless of bad weather. It also was complete mechanical and

electronic engineering, and expensive. Despite such obstacles,

20 were sold to a firm for daily illumination of abandoned Titan

missile silos, where mushrooms were grown. Used in this venture

were ordinary back-surfaced mirror costing about $6.00 per square

yard of commercial 1/8' mirror. (4 KW heat and light per panel.)

Background for Research

Experimenting with stationary mirrors, two were mounted like a

"corner" reflector. Reflection from this was opposite from the sun.

In other words, facing south, the sun's movement is toward the

right, and its reflection moves toward the left. When mounted at

exactly 90 degrees from each other, I viewed myself as others see


Mounting three mirrors 120 degrees apart makes another corner

reflector, but this time sunlight is reflected back toward the

sun, regardless of where it is in the sky. Tracking is perfect

without any mechanical arrangement. It is known as an

equilateral triangle. Small corner reflectors are used by land

surveyors for bouncing a laser beam back to their eye. Its

accuracy cannot be equaled by any other method. An inch one way

or the other and the laser beam from the surveyor's position and it

vanishes. They are expensive but permanent. 

What is needed is a mirror arrangement that makes the solar

reflection stationary. One clue. The reflection must be exactly

half way between open sunlight, and its opposite reflection with

two mirrors.

These are inexpensive experiments, since test mirrors need be no

larger than 6" squares. Any glass company can make them, but make

sure their sharp edges are ground. My gut feeling is, somewhere out

there the answer exists. 


William A. Rhodes

Related Sites

Google > A+Stationary+Heliostat+for+Solar+Energy+Reflection


See Talk:Directory:Synchronous Solar Heliostat

See also


- Directory

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