[TCML] Q

[Ed Phillips]

Antonio Carlos M. de Queiroz wrote:

> resonance wrote:
>
>>
>>
>> It's the primary Q that must be high.  Richard Hull proved long ago 
>> that even a small "resonator" coil in a 3 coil system, the resonator 
>> was approx 4 inches x 34 inches, and was producing 11 ft long sparks, 
>> so the Q factor of the sec coil is really not that important.
>>
>> Rich is not active on the list but I think Dave Sharpe may have some 
>> of this data.
>>
> An analysis of the linearized system shows that the effects of primary 
> and secondary Qs are exactly the same. For example, a system with 
> primary Q = 100 and a lossless secondary and another system with a 
> lossless primary and a secondary with Q=100 produce the same output 
> waveform. This is also valid for any other combination of Qs.
>
> Antonio Carlos M. de Queiroz 

    That should be obvious.  Question:  What is the effect of Q on 
streamer length assuming reasonable quenching.  In other words, other 
than for bragging rights, how important is it to create a high Q 
secondary?  How much Q is "good enough"?

Ed