[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [TCML] ARSG question



The Tx/Rx should work fine, so long as your faraday cage shields well
against your coil's RF, but allows enough of the microwave signal to pass
through: http://www.youtube.com/watch?v=y3CwRT1_6Es

I'd be more worried about noise affecting the ESC's control electronics.

On Mon, Sep 2, 2013 at 1:46 PM, Scott Bogard <sdbogard@xxxxxxxxx> wrote:

> Hi Ian,
>      I have nothing useful to say here except that would be awesome if it
> worked!!!  My biggest concern would be the RC receiver, I know dimmer
> switches don't work well, and sufficient shielding would surely block the
> signal from the remote.  If you have an RC car I would suggest you just try
> running it near an active coil in a little Faraday cage and see if it
> works, I do also know those motors are designed for speed and not torque,
> so your rotor would have to be really light (but with those RPMs you'd have
> to be a fool to not want to go propeller style anyway, simplest mechanical
> gap construction ever!)  Let us know how it goes, hopefully someone else
> will comment!
>
> Scott D Bogard.
>
>
> On Sun, Sep 1, 2013 at 10:29 PM, AusTesla <austesla@xxxxxxxxxxxxxx> wrote:
>
> > I have a question for the list regarding ARSG operation.  I notice this
> has
> > been talked about just recently in regards to using a 3ph motor with VFD,
> > an
> > option I am considering as the price of VFDs has fallen considerably and
> I
> > can get a 3ph induction motor, wound for 240V 3ph, cheaply.  I am not too
> > keen on using a universal from a power tool because of speed and torque
> > stability and issues with overshoot.
> >
> >
> >
> > I am in the process of building a large (10" secondary) spark gap coil,
> and
> > because my cap will be significantly STR at 100nF, I am strongly
> > considering
> > ARSG operation.
> >
> >
> >
> > Has anyone tried using a brushless RC motor with an ESC to control the
> > asynchronous gap speed?  Of course this also raises the possibility of
> > using
> > a remote control to change motor speed.  Large versions of these
> brushless
> > motors have considerable torque and are speed stabilised by the ESC.  I
> > can't imagine that the load on, say, a 12" rotary platter, would be much
> > greater than a large RC helicopter.  I haven't done the maths so I am not
> > sure.  The question I have is how susceptible would 2.4GHz spread
> spectrum
> > radio signals be to the coils RF?  The coil I am building will have a
> > projected resonant frequency of around 75kHz as calculated by JavaTC.
> >
> >
> >
> > Regards,
> >
> > Ian
> >
> > _______________________________________________
> > Tesla mailing list
> > Tesla@xxxxxxxxxx
> > http://www.pupman.com/mailman/listinfo/tesla
> >
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxx
> http://www.pupman.com/mailman/listinfo/tesla
>
_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxx
http://www.pupman.com/mailman/listinfo/tesla