Hi Steve, Tyler,
Actually, I utilize 0.125 uFd rated (actually closer to 0.135 uFd measured) C with my big pole pig fired SGTC and with the 12.5” diameter x 49” winding length secondary of #19 AWG magnet wire (which translates to approximately 1260 turns), as well as the 12”x 56” toroid topload, I still tap in around 9 1/4 turns on my primary coil. Assuming that one has a power supply that is capable of sufficiently charging a capacitor of that magnitude within the bps time frame (mine operates best in the 300 to 350 bps range and and I think Tyler will have no problem here, either), I think the 0.118 uFd, 100 kV unit is an excellent choice! Otherwise, I fully concur with Steve’s advice.
David
Sent from my iPhone
> On Dec 22, 2018, at 8:27 AM, Steve White <
>
> Looking at your list, you can immediately discard the 125 uF and 5.4 uF ones. The capacitance is much too large and would require almost no turns on the primary coil. ..... It also has the next to lowest capacitance on your list which is good because you may still have a reasonable number of primary coil turns to work with. Consult JAVATC to see how many primary coil turns you will need. The number will be quite small and will make the tuning very sensitive to your tap position on the primary coil.
>
> Steve White
> Cedar Rapids, Iowa
>
> ----- Original Message -----
> From: "Tyler LaVite" <tlavite@xxxxxxxxx>
> To: tesla@xxxxxxxxxx
> Sent: Friday, December 21, 2018 4:46:17 PM
> Subject: [TCML] Maxwell pulse capacitor
>
> I’m buying a maxwell pulse capacitor for my 25kva pole pig. Couple options here which is the best one to buy these are what’s available.
>
> 125uF @ 40kv
> .25uF @ 50kv
> .118uF @ 100kv
> .101uF @ 40kv
> 5.4uF @ 20kv
> .252uF @ 50kv
> .251uF @ 50kv
>
> What are your guys thoughts on the best one for just messing around no specific use maybe possibly use it in a larger Tesla coil then my current one this summer.
>
> Sent from my iPhone
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