The coils both flash over if you point the breakout point up and crank the
power all the way up. I'm not really sure of the concrete reason, but I
suspect it has something to do with the distribution of the E-field around
the coil.
On Sat, Jul 19, 2014 at 2:53 PM, Atomic <atomicrox@xxxxxxxxx> wrote:
> I noticed on all pictures and videos of oneTesla coils the breakout points
> are sideways. Is there a practical reason? Can the DRSSTC be used with the
> breakout pointing up?
>
>
> On Sat, Jul 19, 2014 at 3:49 PM, Bayley Wang <wang9xb17@xxxxxxxxx> wrote:
>
> > Tom, the SSTC is $149 and the DRSSTC is currently $349 on Kickstarter.
> >
> >
> > On Sat, Jul 19, 2014 at 2:48 PM, Bayley Wang <wang9xb17@xxxxxxxxx>
> wrote:
> >
> > > The new version corrects a bunch of the glaring mechanical deficiencies
> > of
> > > the original. We've also added noise protection for the driver and
> > > overvoltage protection on the IGBT's, but the current limiting is still
> > > "passive" and determined by the primary configuration and tuning
> point. I
> > > did some fairly extensive testing on the new coils and even during
> severe
> > > fault conditions (such as internal tracking on the secondary causing
> the
> > > streamer to disappear altogether, which has of course been fixed for
> the
> > > production coils) the current stayed well under 300A.
> > >
> > >
> > > On Sat, Jul 19, 2014 at 10:32 AM, Edward Wingate <
> > ewing7@xxxxxxxxxxxxxxxx>
> > > wrote:
> > >
> > >> Bayley,
> > >>
> > >> Do you have any plans to correct the glaring deficiencies in the
> > original
> > >> One Tesla design before moving on to new projects? The lack of a
> current
> > >> limiting circuit, for instance.
> > >>
> > >> Ed Wingate RATCB
> > >>
> > >> On 7/18/2014 4:30 PM, Bayley Wang wrote:
> > >>
> > >>> Hey all,
> > >>>
> > >>> We (oneTesla <http://onetesla.com/about>) have just launched a
> > >>> Kickstarter
> > >>> campaign
> > >>> <https://www.kickstarter.com/projects/onetesla/tinytesla-
> > >>> the-little-singing-tesla-coil-anyone-can>
> > >>>
> > >>> for a pair of coil kits that might interest you - tinyTesla, a small
> > MIDI
> > >>> SSTC, and oneTeslaTS, a desktop DRSSTC.
> > >>>
> > >>> There's a lot of info on the Kickstarter page, but here's a summary
> of
> > >>> the
> > >>> cool features the coils have:
> > >>>
> > >>>
> > >>> - Both kits are MIDI controlled; oneTeslaTS is controlled via the
> > >>>
> > >>> traditional computer->MIDI Adapter->Interrupter pathway, while
> > >>> tinyTesla's
> > >>> interrupter connects via USB and shows up as a USB-MIDI adapter.
> > Both
> > >>> interrupters are fiber-optically isolated.
> > >>> - Zero tuning required. In particular, TS's secondaries are all
> > >>>
> > >>> identical down to the last turn, and the primaries are spirals
> on a
> > >>> 4oz
> > >>> PCB, so each and every coil should perform identically.
> > >>> - Both coils are super-compact, mostly thanks to the fact that
> our
> > >>>
> > >>> coil-winding partner can wind very high fill factor secondaries
> TS
> > >>> has a
> > >>> 6.5" secondary and 6"x1.5" topload that resonates at 250KHz, and
> > >>> tiny has a
> > >>> 3.5"x3" secondary that runs at around 450KHz unloaded.
> > >>> - We tried hard to keep the primary current down on TS; it sits
> at
> > >>>
> > >>> around 200A right now, which is not too hard on the 180A-rated
> > >>> IGBT's. This
> > >>> should give a longer lasting coil.
> > >>>
> > >>> Thanks in advance for your support, and feel free to ask questions!
> > >>> _______________________________________________
> > >>> 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
> >
> _______________________________________________
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>
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