DIY_EFI Digest V4 #523

Greg Hermann bearbvd at sni.net
Tue Sep 14 13:43:13 GMT 1999


>
>Date: Mon, 13 Sep 1999 13:55:22 -0700
>From: "John Dammeyer" <johnd at autoartisans.com>
>Subject: Re: Low impedance waste spark coils?
>
>>From: "Clay Buccellato (Anthony)" <claybu at sr.hp.com>
>>Subject: Low impedance waste spark coils?
>
>>As far as I can tell, the only coil packs currently available are the
>>factory units from Ford and Chevy. I've been told that they suffer from
>>insulation breakdown on the secondary side, if you try and drive them
>>very  hard. I'm looking for the waste-spark equivalent of the Crane
>>PS-92, or MSD pro-power. I want lightning bolts  :)
>
>We're currently using the Ford units for aircraft applications and haven't yet
>had problem that we are aware of.  Where did you hear that the insulation
>breaks
>down on the secondary side?  I'm currently dumping a 1.5uFd Cap sitting at 225V
>into it through a triac.  Works great.
>
>Regards,
>
>John
>

Jacobs makes a maverick spark unit for Hardley Ablesons that might do just
what you need. I think it is rated at about a joule per spark.

Greg





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