Wow, this is fantastic everyone. Thanks!
I knew I came to bthe right place!
Rob
On Fri, Sep 9, 2011 at 12:41 PM, John Doty <[1]j...@noqsi.com> wrote:
On Sep 9, 2011, at 5:29 AM, Peter Clifton wrote:
> If you're after significant resistance, I would go for a copper disk,
On Sep 9, 2011, at 5:29 AM, Peter Clifton wrote:
> If you're after significant resistance, I would go for a copper disk,
> about 5mm or thicker, with strong magnets - either an electromagnet on
> an iron core - placed quite close (within a few millimetres) of the
> spinning disk, OR - some neodym
On Thu, Sep 8, 2011 at 11:11 PM, Rob Butts wrote:
> I was just looking at that (the eddy current brake). Yes, what is
> needed to build a bike with a braking action is a magnetic force
> similar to pushing two magnets of the same pole towards each other. A
> bike where the resistance is no
On Fri, 2011-09-09 at 13:37 +1000, Geoff Swan wrote:
> > So if I have an electromagnetic and I hold it next to the spinning
> > metal disc as I increase the intensity of the magnetic field the metal
> > disc should be harder to spin?
> Yes.
>
> > Define conductive? The eddy current breaks
On 9/8/11 11:26 PM, Rob Butts wrote:
So if I have an electromagnetic and I hold it next to the spinning
metal disc as I increase the intensity of the magnetic field the metal
disc should be harder to spin?
Exactly, yes. (please forgive me for jumping in)
Define conductive?
> So if I have an electromagnetic and I hold it next to the spinning
> metal disc as I increase the intensity of the magnetic field the metal
> disc should be harder to spin?
Yes.
> Define conductive? The eddy current breaks says non-ferromagnetic which
> means to me not having any magne
So if I have an electromagnetic and I hold it next to the spinning
metal disc as I increase the intensity of the magnetic field the metal
disc should be harder to spin?
Define conductive? The eddy current breaks says non-ferromagnetic which
means to me not having any magnetic proper
I've not looked into this in great detail myself, but I believe this
physics suggests this could be as simple as a spinning metal
(conductive) disk with a permanent magnet at an adjustable distance to
the spinning disk. It sounds like you understand how it works, but are
perhaps looking for the cat
I was just looking at that (the eddy current brake). Yes, what is
needed to build a bike with a braking action is a magnetic force
similar to pushing two magnets of the same pole towards each other. A
bike where the resistance is not friction but a magnetic field
resistance.
On T
On Sep 8, 2011, at 7:16 PM, Rob Butts wrote:
> Does anyone know the theory behind the design of an electromagnetic
> bicycle. I thought it was bringing in magnetic fields close to a
> spinning metal disc but I'm not sure so I'm asking here.
Do you mean an eddy current brake?
http://en.wiki
As in how to make one. What is the moving conductor? I have seen that
site and don't understand it to the point where I can make one.
There is and how to make one
On Thu, Sep 8, 2011 at 10:19 PM, Geoff Swan <[1]shinobi.j...@gmail.com>
wrote:
On Fri, Sep 9, 2011 at 11:16 AM, Rob
On Fri, Sep 9, 2011 at 11:16 AM, Rob Butts wrote:
> I have asked this question on this forum before but I never got a
> definitive answer so forgive me for asking it again.
>
>
> Does anyone know the theory behind the design of an electromagnetic
> bicycle. I thought it was bringing in mag
I have asked this question on this forum before but I never got a
definitive answer so forgive me for asking it again.
Does anyone know the theory behind the design of an electromagnetic
bicycle. I thought it was bringing in magnetic fields close to a
spinning metal disc but I'm no
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