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[Tom's] Someone is Trying to Make a Working Hoverboard - Page 6

post #51 of 61
Quote:
Originally Posted by HK_47 View Post

well seeing as the board is magnetic, why would you ever need to take your feet off it? yeah it doesn't have wheels, but I assume you would just lean in a direction and the magnetic field would cause the board to gain inertia, lean in the other direction and the board would slow down, as for turning, it would be like snowboarding on a magnetic current, you could essentially "carve" through the feild, with your feet attached to the board.
You know if you bring two really powerful magnets together on similar poles, how they constantly keep "slipping" away from each other no matter how hard you force them? That's basically the same kind of control you would expect from a magnetic hoverboard. It would also be reversed controls, leaning back would make it go forward (as it would try to "escape/slip" forward since you put your weight on the back) and leaning forward could bring it to a stop - but a very slow, gradual stop since there is zero friction. Turning on a flat surface would be borderline impossible because even if you rotated the board, it would keep hovering straight ahead. Imagine trying to ice skate on ball-bearings instead of linear blades, your initial momentum would keep carrying you straight no matter how hard you tried to turn (no friction!). I guarantee you that's exactly what will happen with a hoverboard tongue.gif

And it still wouldn't stop the problem of the board slipping sideways. Unlike a skateboard where the wheels are locked in backwards/forward movment only, a hoverboard is completely frictionless and free to go in any random directon. It would seriously be like trying to skate on ball-bearings, there would be no control. The only way to keep moving in a straight line would be if someone pushed you down a hill (uh oh).
Edited by Tippy - 7/29/12 at 6:13pm
post #52 of 61
Thread Starter 
Quote:
Originally Posted by Tippy View Post

You know if you bring two really powerful magnets together on similar poles, how they constantly keep "slipping" away from each other no matter how hard you force them? That's basically the same kind of control you would expect from a magnetic hoverboard. It would also be reversed controls, leaning back would make it go forward (as it would try to "escape/slip" forward since you put your weight on the back) and leaning forward could bring it to a stop - but a very slow, gradual stop since there is zero friction. Turning on a flat surface would be borderline impossible because even if you rotated the board, it would keep hovering straight ahead. Imagine trying to ice skate on ball-bearings instead of linear blades, your initial momentum would keep carrying you straight no matter how hard you tried to turn (no friction!). I guarantee you that's exactly what will happen with a hoverboard tongue.gif
And it still wouldn't stop the problem of the board slipping sideways. Unlike a skateboard where the wheels are locked in backwards/forward movment only, a hoverboard is completely frictionless and free to go in any random directon. It would seriously be like trying to skate on ball-bearings, there would be no control. The only way to keep moving in a straight line would be if someone pushed you down a hill (uh oh).

What if there was another magnet which would slide around the board according to how you positioned your weight?
post #53 of 61
Such a rotating magnet would be useful to stop your board from slamming into a wall (a magnetic wall), but it would do nothing to improve control on a flat surface. No matter how many magnets you attach to the board, they're still only exerting a downward force in the end, which will mean nothing when you're sliding/spinning out of control. The only way to make a magnetic board travel straight would be to carve out a path (like a small trench) where shape of the terrain / path of magnets guide it in one direction - oh hello there Maglev, it already does that tongue.gif
post #54 of 61
Quote:
Originally Posted by Tippy View Post

You know if you bring two really powerful magnets together on similar poles, how they constantly keep "slipping" away from each other no matter how hard you force them? That's basically the same kind of control you would expect from a magnetic hoverboard. It would also be reversed controls, leaning back would make it go forward (as it would try to "escape/slip" forward since you put your weight on the back) and leaning forward could bring it to a stop - but a very slow, gradual stop since there is zero friction. Turning on a flat surface would be borderline impossible because even if you rotated the board, it would keep hovering straight ahead. Imagine trying to ice skate on ball-bearings instead of linear blades, your initial momentum would keep carrying you straight no matter how hard you tried to turn (no friction!). I guarantee you that's exactly what will happen with a hoverboard tongue.gif
And it still wouldn't stop the problem of the board slipping sideways. Unlike a skateboard where the wheels are locked in backwards/forward movment only, a hoverboard is completely frictionless and free to go in any random directon. It would seriously be like trying to skate on ball-bearings, there would be no control. The only way to keep moving in a straight line would be if someone pushed you down a hill (uh oh).

ok tippy you win, true there would be no friction, the board would slip all over the place, turning and slowing down would not be possible, without a type of counter magnet... in the center of the board there could be one large positive magnet (which causes the hovering), surrounded by much smaller electromagnets that can switch between negative and positive on the fly activated by balance, the smaller electromagnets could act as breaks, when switching to negative they will not be powerful enough to make the board sink completely, but powerful enough to dampen speed by attracting parts of the board to the surface, which would allow for maneuvering. the said magnets could act as the "wheels", in theory if the board was tuned properly, it could stay in a straight line, and turn.
Edited by HK_47 - 7/29/12 at 6:49pm
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Rog Assassin
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post #55 of 61
1. Attach graviton emitter to piece of wood.
2. Stand on wood.
3???
4. Profit.


Also this whole thing is ludicrous. I literally imagined this as a small child (hoverboard with magnets, inside an entirely magnetized park). It's not viable.
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post #56 of 61
Sheesh. Put this thing on kickstarter already and give it a push in the right direction.
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post #57 of 61
Quote:
Originally Posted by Shrak View Post

Step in the right direction? 200 year old technology slapped on a board isn't a step in any direction.

this omg lol. this isn't anything close to research; it's just some guy f*cking around.
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post #58 of 61
Meh. Call me when someone invents anti-grav...
post #59 of 61
because the first plane ever to have flewn was immediately a 747. You fail sir.
Inventions always start small
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post #60 of 61
If we figure out how to make it work on any surface, i.e. non-magnetic then we are on to something. Or use what already at our disposal; steel re-bar in concrete sidewalks, iron in the earth's crust, etc.
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