Last updated 3 years ago
A Solar Panel
Want to build your own portable solar power generator to take with you on camping trips or for use in an emergency? I’ll show you how below, it’s easier than you think. Goal Zero’s version of this cost $400, depending on what you include yours will under cost $150 by buying inexpensive parts ...
Lesson learned today; the Earth's rotation is actually 23 hours, 56 minutes, 4.1 seconds. Why is a Solar Day 24 hours then? Because in that time the Earth has revolved around the sun enough that it takes that extra 3 minutes, 55.9 seconds to bring the sun back to it's original perceived position in the sky. This day (Sidereal Time) is how telescopes are calibrated to the sky since the stars technically do not move relative to the Earth/Sun. This also means that technically the Earth rota...
Dunkermotor's STM™ Solar Tracker Motors are ideal for PV, CPV and CSP trackers. Thanks to a unique combination developed by Dunkermotoren, made of intelligent brushless DC motors and planetary gearboxes, solar plant operators can now benefit from very low tracking energy consumption and lowest Total Cost of Ownership over a typical life span of 20 years. Dunkermotor is now part of Ametek. www.dunkermotor.com