Step Onto The Manhole - Yanko Design
Don't worry you won't fall in. This is the "Eco Sign" for yous, a digital manhole encompass that harnesses the rainwater to ability it. Tap a foot left or correct and it gives you instant info on the nearest train station or bus stop. Maps and signboards be damned! A multifunctional manhole with a rocking display…and all the thieves vying for it!
Designers: Cheolyeon Jo & Youngsun Lee
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Source: https://www.yankodesign.com/2009/11/04/step-onto-the-manhole/
OK, little complecate..
I encounter the basic concept and it'south expert story..
But if we go deeper, information technology doesn't make sense.
When we don't hv pelting,, how could it make free energy???
Why do nosotros hv to put that expensive device into the manhole is got large pressure everyday.
Why not into the Kiosk?
We withal hv meliorate mode, I retrieve…
interesting mechanism. but i feel like this could be applied much better being something else rather than a directive manhole
I similar the thinking involved in this, but the designer forgets (conveniently) to have into account the toll of producing something that would take heavy duty corruption. Oh, I forget, the goverment pays for $100K toilets, and then I judge information technology shouldn't exist an issue.
Sounds and looks rather complicated. I bet this would exist an extremely costly device to implement.
Innovative pattern should offering something useful in a bully and creative packet. This device is a gross overcomplication of a unproblematic directive sign.
A sign, — even glowing and of brushed aluminium, if you must be sheek — doesn't even require buttons to show double-decker/railroad train info, as it can show both together! Astonishing.
perfect instance of blueprint for design's sake. The quality of Yanko's submissions has been getting worse and worse.
Arn't we forgetting something… most manholes are IN THE STREET! Lets have people standing in the center of the street looking down, trying to read management. No traffic tie ups or deaths there….
Oh, you lot stole my point, lol.
Manholes are indeed in the MIDDLE of the road, where large, fast moving VEHICLES are traveling.
I guess it's a way of killing tourists who are looking for directions… but go them out there on the road with the promise of leading them to the museum and…
And cars running over buttons 24/7, that's harsh on the electronics…
Also, grade 10 physics grade will tell you that potential free energy is lost as soon as it hits the ground (since it becomes kinetic free energy) and those slots are mighty tiny for pelting to be falling inside without touching annihilation else.
And, actually, what is the kinetic free energy of a raindrop?
I did some inquiry and it looks like someone did information technology with piezo electrical generators (which would be a lot (a LOT) more efficient than a propeller) and they got between ane microwatt and 12 milliwatts per driblet. Per square meter is about one watt-hour per year. Since the manhole slots are nearly 1/10 of that in area you become: 1/10th watt hr per year.
Which ways? It would take 600 years to get enough energy to power a lx watt lightbulb for one hr assuming it rained constantly.
Practice designers take physics anymore?
Doing some research found me that even using piezo electric generators (which would be a lot improve than that prop. blade) you would yield about one microwatt and 12 milliwatts per drop. Per foursquare meter it'south about 1 watt-hour per year, assuming information technology rained constantly.
Your slots are about ane/tenth that expanse, and thus 1/10th the power generation.
Pregnant?
information technology would have 600 years of charging to power a 60 watt lightbulb for one hour, bold it rained constantly for 600 years on that spot.
As giddy as it sounds, no, they usually dont. I had 4 years in physics before going into design so functionality was ever a big thing for me. I quickly became known as the 'downer' in the class for telling everyone that their product wont run on fairy dust and magic.
For this production, the only thing i could call back of was getting hit past a motorcar…enough said.
A manhole cover generating power? Maybe. A manhole cover that pedestrians are supposed to read? LUDICROUS!
interesting thought, great for an afternoons thought into a new concept simply if anyone had wasted longer than that on this project its worth finding a new career.
There is potential energy in rain h2o but not in small localised solutions like this. If you need directions y'all are not from the area- so how would you know that you lot needed to walk on the manhole covers to find out information.
Proceed upwardly the good piece of work, great as an idea but not practical at all.
I am pretty sure the designers are referring to the potential energy of the water before down the manhole (Not the point of manholes listen you, merely the diagrams prove water flowing in) to rotate the fan (In which case a water wheel setup would be more than efficient in this instance than the proposed fan). I practice not remember they are trying to salvage any of the kinetic energy from the rain drops on their trip from sky to basis. Piezo electrical generators in the ground getting free energy from people walking would exist interesting though…
i tin't believe that treehugger promoted this — imagine if yous got hit by a car or a bus while trying to read where to get a bus or subway… really not smart. People need to stop making gimmicks and offset making smart solutions.
What if the design were used to power street lamps? Information technology would work very well in cities located in tropical regions where it rains more than 150 inches per/year.
Mayhap they need large funnels on the street lights to get together the rain on the lights themselves?
To wire from human holes to the calorie-free nether all that concrete would exist brutal…
I was going to rip this design a new one, but manifestly it'south all already been washed….
At least I've regained some confidence in my beau design-critiquing humans.
Thanks kids!!
oorrrrr maybe a scale! Ya knever know when you lot need to cheque your weight!
oorrrrr maybe a scale! Ya knever know when you need to bank check your weight!
Wow!!!!
This is the best…
I similar this
perfect for our Manhole project Waiting for your
permission to use the idea….
Best Regards,,,,,
HENRY KAKA