A new, absolutely [not] revolutionary donkey

Innovations, ideas or patents for sustainable development. Decrease in energy consumption, reduction of pollution, improvement of yields or processes ... Myths or reality about inventions of the past or the future: the inventions of Tesla, Newman, Perendev, Galey, Bearden, cold fusion ...
Christophe
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Re: A new revolutionary speed bump




by Christophe » 13/10/18, 19:49

Leo Maximus wrote:There are fewer losses when directly rotating a flywheel generator:



Here is a functional system thanks for finding it, what is Wh / vehicle data?
The size of the alternator (car ???) does not indicate a very large power .... (<1kW)

I also found a video about donkey energy : Cheesy:



Do not try at home!
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Re: A new revolutionary speed bump




by Arthur » 13/10/18, 19:53

Leo Maximus wrote:There are fewer losses when directly rotating a flywheel generator:



(View of the generator and its flywheel at 1: 20).



I know all these types of retarders, they provide INSTANT power and after the vehicle passes, PLUS NOTHING, which, excuse me, has nothing to do with my system that can run a generator continuously, 23 / 24 hours with manual or automatic control, depending on choice.
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Re: A new revolutionary speed bump




by Leo Maximus » 13/10/18, 19:56

There is a steering wheel of inertia. What is it for ?
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Re: A new revolutionary speed bump




by Christophe » 13/10/18, 19:57

Bin just to accumulate and regulate energy (which is necessarily not regular) ... others want to use compressed air for that ...

Did you find performance figures on this system?

edit: oups you answered Arturo ok ...
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Re: A new revolutionary speed bump




by Leo Maximus » 13/10/18, 21:28

Yes, the flywheel allows the generator to run continuously. Finally ... for a while ... :)

For performances, there is this:

http://news.bbc.co.uk/2/hi/uk_news/engl ... 535408.stm (date of 2005)

http://www.ijmo.org/papers/333-H2001.pdf (another system with some numbers)

The advantage is that there was an experiment ...

And we can use a recycled electric car battery.
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Re: A new revolutionary speed bump




by Leo Maximus » 13/10/18, 21:51

There is that too (Turkey):


From memory, an equivalent system was tested in France a few years ago.
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Re: A new revolutionary speed bump




by Christophe » 13/10/18, 23:25

Leo Maximus wrote:http://www.ijmo.org/papers/333-H2001.pdf (another system with some numbers)

The advantage is that there was an experiment ...

And we can use a recycled electric car battery.


Super, this doc seems to me much more serious than the other ...


When one vehicle passes over the ramp, it produces 12-14volts & 8-10 amperes for 2 × 4 seconds
- One car produce 12-14v and 9A in 2seconds
- One car produce Power of 240W. (vehicle pushes twice
a slab).
- 500W 43AH battery will charge in 4 hours


It's still not very clear:
a) 126W during 2s that makes 252J ... it's a lot less than 1wh (3600J)
b) 140w during 8s that makes 1120 J ... it's always less ... but much more than 252J
c) Average power: 12 * 43 / 4 = 130W (which implies, if a), a continuous passage of the vehicle)
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Re: A new revolutionary speed bump




by Remundo » 13/10/18, 23:32

there is a good used Peugeot 205 to buy, I think, just a few minor repairs, nothing serious. : Mrgreen:
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Re: A new revolutionary speed bump




by Christophe » 14/10/18, 01:01

Leo Maximus wrote:For performances, there is this:

http://news.bbc.co.uk/2/hi/uk_news/engl ... 535408.stm (date of 2005)


It's the same system as the one presented in the video you posted above, the illustrations are even screenshots of this video ... but the figures are completely crazy! We are (again) in the 10 50 kW ... out of the hat! It is however clear that the alternator (of auto!) Of the video is far from doing 10 kW ... 500 to 1000W at the most ...
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Re: A new revolutionary speed bump




by izentrop » 14/10/18, 09:18

Christophe wrote:It's still not very clear:
a) 126W during 2s that makes 252J ... it's a lot less than 1wh (3600J)
b) 140w during 8s that makes 1120 J ... it's always less ... but much more than 252J
c) Average power: 12 * 43 / 4 = 130W (which implies, if a), a continuous passage of the vehicle)
The devil is hiding in the details : Twisted:
A scientific publication is not a paper where one spreads random numbers not having clear relations between them, it is built with method, detailed formulas so that the demonstration is reproducible.

You are generous with the 3600 j by vehicle, just to recover this energy, the donkey no longer fulfills its function.
It is necessary to count down the energy that must be spent to bring the plate back to its original position. It will take a spring as a result that can eat half of your primary energy to work quickly and sustainably.
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