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
>>
>
>
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