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Re: How should we measure coil efficiency
From: John H. Couture[SMTP:couturejh-at-worldnet.att-dot-net]
Sent: Saturday, July 26, 1997 2:21 AM
To: Tesla List
Subject: Re: How should we measure coil efficiency
At 05:54 AM 7/26/97 +0000, you wrote:
>
>From: Julian Green[SMTP:julian-at-kbss.bt.co.uk]
>Sent: Friday, July 25, 1997 5:22 AM
>To: tesla-at-pupman-dot-com
>Subject: Re: How should we measure coil efficiency
>
>>The difference that I'm thinking of is that ground strikes that occur at
>>their
>>longest possible distances do not stay connected...they eventually
>>release. Sometimes they connect for only 1/10th of a second or less.
>>John Couture is suggesting a measurement length that allows the arc
>>to remain connected indefinitely (I believe). To obtain such a long-term
>>connected spark requires using a shorter distance.
>>
>>I however agree with you that we should measure our sparks at the
>>longest distance which produces for instance 10 hits per minute, and
>>that this is basically the same as the free air sparking distance.
>>
>>John Freau
>
>I agree. Attempts to measure spark length by continious spark is useless
>as the tune of the coil is affected by the spark. If this method of
>measuring coils was adopted then we would be measuring the output of a
>de-tuned coil.
>
>Julian Green
>
>---------------------------------------------
Julian -
Why measure the output of a de-tuned coil?
Why not keep retuning until you get a tuned coil and the longest
continuous spark?
>
> John Couture