Downwind machine just like "windmill on wheel 2". The blades are made of metal wire mesh a
Downwind machine just like "windmill on wheel 2". The blades are made of metal wire mesh and clear tape. The diameter of this turbine is "4" feet. A "6" feet diametr turbine of the same design, will be used to power the generator. I am talking about a "pizza" generator based on the first prototype depicted in the video clip (Bicycle wheel generator with magic rotor).
A complete model wind power unit should be ready by september 2008. If you want to help with the project, please send a Youtube message to "generatorblue"
P R Paul
(more)
(less)
Added: 4 months ago
Views: 1,679
The video clip shows how to assemble the Magic Rotor. There is a 14 seconds video clip ent
The video clip shows how to assemble the Magic Rotor. There is a 14 seconds video clip entitled " the bicycle wheel generator with magic rotor." Watch it and read the description as well.
In looking at the still pictures above, you should be able to see that the rotor is made of 8 identical magnet holders. The magnets are located above the rim. In attempting to make your version of the rotor, you will take into consideration the size of the magnets that you want to use,By example, if your magnets are 3" in diameter,
you will need to make the holder tall enough to clear about 3.5" above the rim since you do not want magnets or coils to touch the pressure bolts. You will likely need to secure the magnet holders better than that. In that demonstration the attractive magnetic force is the only thing holding the rotor together. If you happen to use this primitive prototype rotor model to build an alternators, please send me some pictures. Please read the comments section in each one of the GENERATORBLUE video clips that I posted. Some people will declare that you cannot possibly get enough power from this generator. I will simply remind these people that the term "WIND FARM" does not apply only to large wind powered generators. our world if full of "BAD LAND" where nothing grows but where wind gusts are strong and frequent.
I am interested at ways that people found to build a STATOR for this "MAGI ROTOR"
Finally, I wamt to remind you that holes can be drilled in the magnet holders to locate the magnets.
For very strong magnets, you can consider using motorcycle or scooter wheels that have hubs that are larger than rims.
Thank you PRPaul
(more)
(less)
Added: 5 months ago
Views: 9,430
The generator was built for the "windmill on wheel" turbines.
This generator was made by
The generator was built for the "windmill on wheel" turbines.
This generator was made by simply adding parts (in pairs) to a bicycle wheel in order to build the rotor. The part that I invented takes advantage of the difference in width of the bicycle hub and the width of the rim. By example, if the hub is 3 inches wide and the rim is 1.5 inch wide, then two 3/4 inch thick pieces of wood(one on each side of the rim) can vertically slide down and make contact with the inner side of flange (or shell head). At the point of contact with the flange, the piece of wood will be narrow (about 3/8 inch)because the sections of the inner flange that are not covered by spokes are narrow. Starting from the narrow flange contact point, the width of that piece can gradually increse until it ends a distance above the rim. Thanks to the gradual increase in width of the pieces of wood, contact with the spokes will be avoided. The final shape will look almost like a ping pong paddle. Above the rim, magnets will be attached to the pieces of wood. A pair of these pieces of wood (now transformed to magnet holders) will attract each other from accross the rim. That attraction force will deliver compression force on the inner sides of the hub flange and hold everything in place. If you measure the difference between the widths correctly, then you have a vertical gap as wide as the rim (before and after you add the magnets and "optional metal plates"). In the video, four pairs of magnet holders are used to make the rotor. I added two nuts and bolts to each pair in order to add holding pressure to the flange. However, This assembly does not need nuts and bolts to stay together and rotates at slow speeds without any problem. A clip that secures each paddle to the hub, could also be added to the narrow bottom tip.
Because of this simple design, I will name this rotor assembly: "The magic Rotor"
If you see a gap between the pairs of magnet holders, it is because I need to make a better template that will not allow gaps. I am working on other designs involving bicycle wheel based rotors and generators. This first design belong to the people of the world who can use any amount of electricity but only have a rusted bicycle wheel. These magnet holders have done the job. I will now work harder to build a good Stator and deliver a good looking generator.
The magic rotor is now in the public domain. P R Paul (Boston Ma. USA 2/09/08).
Born in Haiti on the 4th of July.
ADDITIONAL CONSTRUCTION INFO:The beauty of the part is that it lets you decide the size and number of magnets. However, the pairs of magnets that face each other must also attract each other. The thickness of the piece of wood is the most important aspect of this assembly. Once you measure the difference between the width of the rim and that of the hub (from inside flange to inside flange), you will need wood that is as thick as 1/2 the difference of the widths.
When tracing the paddles on the large piece of wood, align the fibers from skinny tip to wider top. The paddle must be able to withstand some tension and not snap. If the wood is too thick, the gap walls will not be parallel. The gap distance above the rim will increase as you move away from the rim. If the wood is too skinny, the gap distance above the rim will gradually decrease as you move away from the rim. You can make an adjustment to a piece of wood that is too thick, by reducing the thickness at the skinny (flange contact) tip, until both pieces become parallel. If the wood is too skinny it could be distorted by the tension applied by the nut and bolts. If the wood is strong but not thick enough, additional thickness can be added to the narrow tip. "Gluing" a small piece of metal to the narrow tip that makes contact with the flange could prevent wood erosion at that compression point between the metal flange and the wooden paddle tip.
(more)
(less)
Added: 5 months ago
Views: 7,150
|
A video clip depicting a horizontal bicycle wheel with one side of the axle screwed to the
A video clip depicting a horizontal bicycle wheel with one side of the axle screwed to the top of a tower platform. This wheel rotates freely. At the location (hole) of the inner tube, I inserted one side of the axle of a rotating "bicycle wheel windmill". The wheels are perpendicular to each other. On the opposite side of the tire valve hole (windmill anchor point), I added a tail supported by a section of aluminum crutches. It is a "wheel on wheel" solution for smooth rotations in both horizontal and vertical planes. That horizontal bicycle wheel will likely be replaced by a scooter or motorcycle wheel strong enough to support a generator. There is a 27 sec (top view)also that is named "windmill on wheel1"
Thanks,
P R Paul
(more)
(less)
Added: 1 year ago
Views: 1,881
A video clip depicting a horizontal bicycle wheel with one side of the axle screwed to the
A video clip depicting a horizontal bicycle wheel with one side of the axle screwed to the top of a tower platform. This wheel rotates freely. At the location (hole) of the inner tube's valve, I inserted one side of the axle of a rotating "bicycle wheel windmill". The wheels are perpendicular to each other. On the opposite side of the tire valve hole (windmill anchor point), I added a tail supported by a section of aluminum crutches. It is a "wheel on wheel" solution for smooth rotations in both horizontal and vertical planes. The blades of the windmill are made of plastic coat hangers. I originally named it a "hangaround" windmill. That horizontal bicycle wheel will likely be replaced by a scooter or motorcycle wheel strong enough to support a generator. There is a 14 second "front view clip
named "windmill on wheel"
On september 19, 2007, I poated WINDMILL ON WHEEL2. Please take a look.
P R Paul
(more)
(less)
Added: 1 year ago
Views: 3,213
|
