Posted by buickanddeere on January 07, 2018 at 17:11:22 from (209.240.119.207):
In Reply to: Solar electricity posted by 37chief on January 06, 2018 at 20:09:37:
Quoting Removed, click Modern View to see
Don't want to burst your bubble by PV cell efficiency has not improved in 40 years. The price per watt has dropped since production was moved to China. The cost is not going to appreciably drop farther. Ever consider the toxic waste dump din China during PV manufacturing ?
Lithium battery energy density is not going to increase and the cost will not decrease. Have you calculated how much a battery bank to power New York City over night would cost ?
I keep seeing non engineering persons making these optimistic claims.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let�s make one more addition to our series on hydraulics. I�ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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