WhitePeopleThings
WhitePeopleThings
Archive: https://archive.today/qJXtE
From the post:
>[Paul Junkin] bought a curious product off the Internet. It was supposed to generate electricity when hooked up to a running hose. Only, it didn’t do a very good job. His solution was straightforward—he built his own hose-powered generator that actually worked. The design uses a turbine hooked up to a small motor acting as a generator. To maximize the transfer of energy from the stream of water to the blades of the turbine, the hose is hooked up to a convergent nozzle. [Paul] does a great job explaining the simple physics at play, as well as the iterative design process he used to get to the final product. He calculates the best-case power coming out of his hose around 50 watts, so for his turbine to collect 22 watts is a win, and it’s good enough to charge a phone or run some LED lighting.
Archive: https://archive.today/qJXtE
From the post:
>>[Paul Junkin] bought a curious product off the Internet. It was supposed to generate electricity when hooked up to a running hose. Only, it didn’t do a very good job. His solution was straightforward—he built his own hose-powered generator that actually worked.
The design uses a turbine hooked up to a small motor acting as a generator. To maximize the transfer of energy from the stream of water to the blades of the turbine, the hose is hooked up to a convergent nozzle. [Paul] does a great job explaining the simple physics at play, as well as the iterative design process he used to get to the final product. He calculates the best-case power coming out of his hose around 50 watts, so for his turbine to collect 22 watts is a win, and it’s good enough to charge a phone or run some LED lighting.
This is the equivalent of putting a solar panel in a box with a light bulb. It's a exercise in folly at best and just plain retarded at worst. The conversion efficiency is dismal and will cost you way more in energy/water whether you use pressurized municipal water or your own well pumped water. How many gallons of water is required per hour which will only give you 22 Watt-Hours of power output? That's some expensive "free" energy there.
This is the equivalent of putting a solar panel in a box with a light bulb. It's a exercise in folly at best and just plain retarded at worst. The conversion efficiency is dismal and will cost you way more in energy/water whether you use pressurized municipal water or your own well pumped water. How many gallons of water is required per hour which will only give you 22 Watt-Hours of power output? That's some expensive "free" energy there.
You could fill a cistern while you are at it and use the water later. A large diameter tank with a heavy floating lid so you can use the hydraulic force to lift the load which pressurizes the tank for when you need to reclaim water. Like a hydraulic cylinder.
You could fill a cistern while you are at it and use the water later. A large diameter tank with a heavy floating lid so you can use the hydraulic force to lift the load which pressurizes the tank for when you need to reclaim water. Like a hydraulic cylinder.