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Posts tagged pitch
Q&A: LAST NIGHT IN THE PITCH DARKNESS PART OF A TUBE ON AN ‘ENERGY SAVING’ LIGHT BULB BEGAN TO FLASH FAINTLY. WHY?
Feb 22nd
Question by historian:
Last night in the pitch darkness part of a tube on an ‘energy saving’ light bulb began to flash faintly. WHY?
The bulb had not been switched on since May.
The switch was fully off.
Faint flashing was at 20 second intervals and did not stop.
The flashing has not been apparent before tonight.
The switch was fully off. so power surge not viable.
It is NOT a dimmer.
It is located in the hall ceiling.
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Q&A: HOW TO ADJUST PITCH ON WIND TURBINE BLADES?
Aug 30th
Question by Steven:
How to adjust pitch on wind turbine blades?
I am doing a science fair project in which I will measure the energy output of a wind turbine whose blades are tilted at various angles. How can I change the pitch for each blade equally, and without having to create separate pieces each time I want to change angle measure? Is there a single piece which I can install, then rotate to change the pitch?
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