There is only one spot on the sign wave that is peak, might run better little before or after or at top. Don't have to worry using async. :)
-----Original Message-----
From: Tesla [mailto:tesla-bounces@xxxxxxxxxx] On Behalf Of Yurtle Turtle via Tesla
Sent: September 11, 2020 12:30 PM
To: 'Tesla Coil Mailing List'
Subject: Re: [TCML] Old post
Async with variable speed, whether AC or DC motor. My sweet spot changes with every tweak, so a constant speed async would likely never hit the sweet spot.
On Friday, September 11, 2020, 12:16:45 PM EDT, shaun <snoggle@xxxxxxxxxxxxxx> wrote:
I agree 100% and my next gap will be a nice asynchronous gap. I have seen many very impressive async coils. Just like to try anything that is out there.
-----Original Message-----
From: Tesla [mailto:tesla-bounces@xxxxxxxxxx] On Behalf Of David Rieben
Sent: September 11, 2020 7:01 AM
To: Tesla Coil Mailing List
Subject: Re: [TCML] Old post
Hi Shaun, Steve,
Although synchronous firing (w/LTR tank capacitor) can be quite advantageous for the rather limited available power with a typical NST driven spark gap coil system, from personal experience, I have found the output can be just as impressive with asynchronous spark gap operation and higher bps ranges w/ a smaller than resonant tank capacitor with the more copious available power with PT or pole pig driven spark gap coil systems. And it’s a whole lot easier! 😉
Just my $.02,
David
Sent from my iPhone
> On Sep 10, 2020, at 9:33 PM, shaun <snoggle@xxxxxxxxxxxxxx> wrote:
>
> Hi Steve this was a clip out of a conversation that two other people had, I
> was just questioning the statement that did not make sense to me.
>
> I also have made a john freau phase adjuster, and im running 120 pps and do
> see and hear a difference at before the top of the sine and after. But like
> many others I don't think it makes much of a difference at higher ppm and
> more power. I get about 45 degrees of movement and mine runs and sounds best
> at little before top of sine. With only 2 presentation per revolution, it
> make a big difference where I charge at.
>
>
>
> -----Original Message-----
> From: Tesla [mailto:tesla-bounces@xxxxxxxxxx] On Behalf Of Steve White
> Sent: September 10, 2020 8:15 PM
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] Old post
>
> This doesn't make sense to me. As you stated the firing is the same
> regardless of the capacitance. I have a John Freau style phase adjuster. I
> have tried adjusting the firing point from nominal and I see no effect. I am
> running at 240 PPS. Maybe you would see more affect at 120 PPS.
>
> Steve White
> Cedar Rapids, Iowa
>
> ----- Original Message -----
> From: "shaun" <snoggle@xxxxxxxxxxxxxx>
> To: tesla@xxxxxxxxxx
> Sent: Thursday, September 10, 2020 9:07:32 AM
> Subject: [TCML] Old post
>
> This is a excerpt of a thread by Ed Sonderman
>
>
>
> I had a tuning problem, even when the primary tap was set right where it
>
> should be - according to my calculations. John Morawa pointed out to me
> that
>
> I needed to re-set the phase angle on the motor after increasing the
>
> capacitance - which hadn't occured to me.
>
>
>
> Ed Sonderman
>
>
>
> In the above statement, Mr Morawa stated about needing to re-set the phase
> after increasing the tank capacitance
>
>
>
> This is a synchronous spark gap they are talking about.
>
> Let just assume that the srsg is set to fire just before peak, how is
> changing the tank cap going to change the phase, as it is still firing at
> the same phase no matter what size tank cap is used.
>
>
>
> Any thoughts, I do enjoy Ed's adventures and documentation,
>
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