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Author Topic: R-Walker Selfsustaining Free Energy bike from Mexico  (Read 90295 times)


Free Energy | searching for free energy and discussing free energy


Offline hartiberlin

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Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #31 on: May 13, 2015, 05:16:54 AM »
Here is another video.

https://www.youtube.com/watch?v=8K5kEuo6d50

Can somebody tell us, what they say there ?

Many thanks.

Offline hartiberlin

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Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #32 on: May 13, 2015, 05:26:42 AM »
From:
http://www.mediasolutions.com.mx/ncpop.asp?n=201504170554323001&t=7447
and
http://www.mediasolutions.com.mx/imext/20150417-excelsior-nacional-26-HQ-ofDF.jpg

Axaca, Oaxaca. Students of the College of Bachelors of the State of Oaxaca (Cobao) won gold medal in the international robotics tournament Exporecerca, held in Barcelona, ​​Spain, where they represented Mexico with the prototype "The Wanderer", a self-sustaining scooter that does not require fuel function.

Students in sixth semester Victor Matias Garcia and Raul Grajales Guzman participated in the International Science Fair with its compact scooter

(RWalker) capable of transporting a person "almost permanently, as it has a self-sustaining engine that converts mechanical energy into electricity to feed themselves," the director of the institution, Germán Espinoza Santibanez.

Satisfied with the success of the students, the director said that this prototype won the gold medal in the innovative project, which gave the jury of the competition area, and a further ballot held among the other participants in the international fair robotics.

Oaxacans who represented Mexico in Europe involving more than 200 students from 15 countries and 116 science and technology projects.

"We design a mobility system that does not pollute, it does not require fuel, ie, self-sustaining, and that would meet an important need mainly in rural areas of Oaxaca, and the rest of the country: transport," said the student Victor Matthias.

Victor and Raul worked for a year as a project of the scooter. From the design, prototype construction and testing to refine the details of its operation.

For the project used the structure cut from a bicycle, he adapted resistant tire to road, put an engine two thousand 700 rpm, a capacitor and generator, which in turn makes generator, buffer and alternator power, and battery is only used for spark ignition.

"This vehicle, moving, generates and stores its own energy.

The RWalker hold up to 110 kilograms, "noted the young.

The prototype cost about three thousand dollars, "but if done in series that price would drop considerably," said Victor, who was always accompanied by his teacher Arenaza Alejandro Villavicencio.

Students have the research protocol; plans and photographs of the design and construction as well as a complete evaluation of the project, presented the last week of March during the Magna Science Fair, where teams of Turkey, Brazil, Italy, Argentina, Belgium, China and Slovakia participated, among others.

(The scooter) has a self-sustaining engine that converts mechanical energy into electricity to feed themselves. "

ESPINOZA GERMAN SCHOOL DIRECTOR OF STATE OAXACALos BACHILLERES students have the research protocol, plans and photographs of the design and construction as well as a complete evaluation.

Free Energy | searching for free energy and discussing free energy

Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #32 on: May 13, 2015, 05:26:42 AM »
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Offline Pirate88179

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Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #33 on: May 13, 2015, 06:41:56 AM »
From:
http://www.mediasolutions.com.mx/ncpop.asp?n=201504170554323001&t=7447
and
http://www.mediasolutions.com.mx/imext/20150417-excelsior-nacional-26-HQ-ofDF.jpg

Axaca, Oaxaca. Students of the College of Bachelors of the State of Oaxaca (Cobao) won gold medal in the international robotics tournament Exporecerca, held in Barcelona, ​​Spain, where they represented Mexico with the prototype "The Wanderer", a self-sustaining scooter that does not require fuel function.

Students in sixth semester Victor Matias Garcia and Raul Grajales Guzman participated in the International Science Fair with its compact scooter

(RWalker) capable of transporting a person "almost permanently, as it has a self-sustaining engine that converts mechanical energy into electricity to feed themselves," the director of the institution, Germán Espinoza Santibanez.

Satisfied with the success of the students, the director said that this prototype won the gold medal in the innovative project, which gave the jury of the competition area, and a further ballot held among the other participants in the international fair robotics.

Oaxacans who represented Mexico in Europe involving more than 200 students from 15 countries and 116 science and technology projects.

"We design a mobility system that does not pollute, it does not require fuel, ie, self-sustaining, and that would meet an important need mainly in rural areas of Oaxaca, and the rest of the country: transport," said the student Victor Matthias.

Victor and Raul worked for a year as a project of the scooter. From the design, prototype construction and testing to refine the details of its operation.

For the project used the structure cut from a bicycle, he adapted resistant tire to road, put an engine two thousand 700 rpm, a capacitor and generator, which in turn makes generator, buffer and alternator power, and battery is only used for spark ignition.

"This vehicle, moving, generates and stores its own energy.

The RWalker hold up to 110 kilograms, "noted the young.

The prototype cost about three thousand dollars, "but if done in series that price would drop considerably," said Victor, who was always accompanied by his teacher Arenaza Alejandro Villavicencio.

Students have the research protocol; plans and photographs of the design and construction as well as a complete evaluation of the project, presented the last week of March during the Magna Science Fair, where teams of Turkey, Brazil, Italy, Argentina, Belgium, China and Slovakia participated, among others.

(The scooter) has a self-sustaining engine that converts mechanical energy into electricity to feed themselves. "

ESPINOZA GERMAN SCHOOL DIRECTOR OF STATE OAXACALos BACHILLERES students have the research protocol, plans and photographs of the design and construction as well as a complete evaluation.

Thanks Stefan.

I think I am still confused about the need for spark ignition.  What the heck does an electric vehicle need spark ignition for?

Also, I was thinking that maybe it is using something like Tommy Reed's "Pedal By Wire" system and, to charge up the system, all you need to do is use it like
a stationary exercise bike and pedal for so many minutes to charge the battery.  Then, flip the switch and drive off.  They might consider that self sustaining.

Maybe like a hand crank radio that never needs batteries...as long as you crank it once in a while?

Other than that...I have no idea what this may, or may not be.

Bill

Offline hartiberlin

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Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #34 on: May 13, 2015, 08:35:17 AM »
@Bill.
I guess spark ignition is a translation error.
I guess it must must just mean the battery is there just for the start of the bike.

I have sent the inventors mails and messages via Facebook.
We will see, what they will respond...

Regards, Stefan.

Free Energy | searching for free energy and discussing free energy

Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #34 on: May 13, 2015, 08:35:17 AM »
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Offline fritz

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Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #35 on: May 13, 2015, 01:07:32 PM »
What is it ? (ignoring everything translated)
Its an electric scooter "r-walker" - and I would expect that it is not meant to run faster as maybe 8km/hr or 5miles/hr - because its an "r-walker".
Running on a flat surface without wind - there will be little impact from aerodynamics, just bearing friction, deformation of tire, compensate eccentricity of tire.
The battery used looks somehow like a 10AH, 12V lead acid type - so we are talking about 100Wh energy.
If we take a DC motor, designed for 100-200 Watts - it might work quite efficient in the range 20-50Watts.
A set of 2 1,5F caps can store an energy of 36Ws.
Using such caps in parallel with the motor will recover energy drawn by eccentricity of tire, energy consumed by bumps (stored in pretty undamped suspension).
Maybe its possible to get the average wattage needed for such drive down to 20-30Watt for this speed on a flat surface.
Without cap - probably 60-80 Watt.
This would give you up to 5hrs of driving - instead of 1-2hrs without caps.
Using fat tires on real surface even reduces rolling resistance.
We will see.
60 km with 100Wh at 10km/hr would be 6hrs@16Watt.
I found some table with 5W@10km/h caused by air resistance.
15-25W rolling resistance for such tires would be feasible.

Offline Void

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Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #36 on: May 13, 2015, 01:37:13 PM »
Also, I was thinking that maybe it is using something like Tommy Reed's "Pedal By Wire" system and, to charge up the system, all you need to do is use it like
a stationary exercise bike and pedal for so many minutes to charge the battery.  Then, flip the switch and drive off.  They might consider that self sustaining.
Maybe like a hand crank radio that never needs batteries...as long as you crank it once in a while?

The bike has no pedals on it, so pretty hard to pedal charge the bike when it has no pedals. ;)
In some news reports the inventors have said the bike requires no gas and no external charging. They have
 said that it is self charging. If they are not using solar panels to help recharge the battery, then all self-charging
must come from the dynamo (generator) that is mounted on the bike. There have been no technical details described
that I have found so far that explain how this 'self sustaining recharge' is supposed to work.



Free Energy | searching for free energy and discussing free energy

Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #36 on: May 13, 2015, 01:37:13 PM »
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Offline Void

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Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #37 on: May 13, 2015, 02:00:33 PM »
A set of 2 1,5F caps can store an energy of 36Ws.

Watts is an indication of rate of energy production or consumption, i.e. power, not a measure of energy.
Two 1.5F caps in parallel at 12 Volts can store a total of 216 Joules of energy.
You could draw 1 Watt of power off those caps for 3.6 minutes, at which point the caps
would be completely drained, if they were not being recharged at the same time.
There is only a relatively small amount of power available from the super caps when they are fully charged up.
The power requirement to run the bike's electric motor will likely be quite a lot higher than 1 watt.  That
would be a pretty substantial drain on the battery shown mounted on the bike, so there would have to
be a fairly high charge current going to the battery when the bike is running to keep the
battery charged up. We know it has a generator, but still a bike self powering its own generator
would of course not normally be self sustaining. We are still missing some very key technical information on
how the bike is supposed to be able to charge itself. Unless they are taking some portable solar panels and
recharging the battery when the bike is parked, it is still a mystery how the bike is supposed to be self sustaining.


Offline lancaIV

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Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #38 on: May 13, 2015, 02:03:02 PM »
8 Km/h would be a joke,this is the velocity for kids battery sourced evehicle !
 

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Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #38 on: May 13, 2015, 02:03:02 PM »
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Offline fritz

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Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #39 on: May 13, 2015, 02:26:11 PM »
Watts is an indication of rate of energy production or consumption, i.e. power, not a measure of energy.
Two 1.5F caps in parallel at 12 Volts can store a total of 216 Joules of energy.
You could draw 1 Watt of power off those caps for 3.6 minutes, at which point the caps
would be completely drained, if they were not being recharged at the same time.
There is only a relatively small amount of power available from the super caps when they are fully charged up.
The power requirement to run the bike's electric motor will likely be quite a lot higher than 1 watt.  That
would be a pretty substantial drain on the battery shown mounted on the bike, so there would have to
be a fairly high charge current going to the battery when the bike is running to keep the
battery charged up. We know it has a generator, but still a bike self powering its own generator
would of course not normally be self sustaining. We are still missing some very key technical information on
how the bike is supposed to be able to charge itself. Unless they are taking some portable solar panels and
recharging the battery when the bike is parked, it is still a mystery how the bike is supposed to be self sustaining.
agree.
I would simply think about a super-cap-buffered dc motor, having an interesting operation point@ 2000rpm.
Maybe its possible to reduce systematic and frequent losses by a third using that buffering !?




Offline Void

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Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #40 on: May 13, 2015, 02:41:35 PM »
agree.
I would simply think about a super-cap-buffered dc motor, having an interesting operation point@ 2000rpm.
Maybe its possible to reduce systematic and frequent losses by a third using that buffering !?

If the two students have come up with an over unity electric motor and generator self loop combination
using the super caps as a buffer somehow, then that is quite the invention for some students. I would think however
if the two students stated in the robotics contest in Spain that they have an over unity generator system
mounted on their R-Walker, that this would have created much more of a stir amongst the contest judges and
organizers and in the news, etc.  than it seems to have done. It would make more sense to me that they are using something
like portable solar panels to recharge the battery when not using the bike, but the students have said that the bike does
not require external charging. We will just have to wait and see if we can get more technical details. :)

Free Energy | searching for free energy and discussing free energy

Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #40 on: May 13, 2015, 02:41:35 PM »
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Offline lancaIV

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Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #41 on: May 13, 2015, 03:26:25 PM »
This is about a 200 US$ prototype,
later the industrial standart evehicle can use power and energy source inventions like this :
http://www.newcastleinnovationscience.com.au/supercapacitor-technology
 

Offline Void

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Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #42 on: May 13, 2015, 05:09:25 PM »
I have sent the inventors mails and messages via Facebook.
We will see, what they will respond...

I think the two students are supposed to be showing their R-Walker bike in Bucharest, Romania which
takes place from Thursday May 14 to Monday May 18, for the world final Informatrix robotics competition.
http://www.infomatrix.ro/schedule


Offline mscoffman

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Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #43 on: May 13, 2015, 05:59:52 PM »

The new ice is probably a 2 stroke, 2 stroke engines often require oil to be added
to the gasoline mixture. So it's quite possible the engine could be running only
on lubrication oil. At any rate lubrication is going to require the oil present in critical
areas. The high DC alternator output of scooter engines is well known.

..S..MarkSCoffman

Offline Void

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Re: R-Walker Selfsustaining Free Energy bike from Mexico
« Reply #44 on: May 13, 2015, 06:15:46 PM »
The new ice is probably a 2 stroke, 2 stroke engines often require oil to be added...

I think it only has an electric motor. No ICE.

 

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