This is sort of like mounting a distributor on the end of the e-shaft.
Rotaries are notorious for a bit of run out on the nose end of the
e-shaft. Especially the 3 rotor.
This ignition trigger mechanism does not care. It runs off a bearing on
the end of the e-shaft so no matter what the e-shaft does the distance
of the sensor from the magnet will always be the same.
I could easily get a patent on this but one patent per week is enough :)
Paul Lamar
Are you going to kit these out when you're finished with development?
C. Smith
Yes.
BTW I have been busting my ass making four ignition systems and the
potting compound destroyed two by overheating. Exotherm.
Ruined the test this coming weekend.
Anybody have any suggesting for good potting compound?
Paul Lamar
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Have you seen this?
http://www.pottingsolutions.com/my%20site/Technology/potting_hints.htm
I worked for an infrared instrumentation company in the '80's, and we
potted the thermal controllers most sensitive circuits in a green
compound. I'm trying to look it up, because I can't remember it's name.
C. Smith
Paul,
one other 'trick' on beating the exotherm is to mix in an inert powder
with the compound, reduces the amount of potting compound, and therefore
the heat and increases the thermal conductivity. Off the top of my head
I would suggest Aluminum Oxide (alumina).
Bill Schertz
Is that conductive Bill? I need high dielectric strength.
Paul Lamar
Alumina (aluminum oxide) is used as an insulator on some electrical
circuits.
Bill Schertz
Also often used in high tension ceramic insulators.
H. Lunt
I got some powder coming. It was rather cheap at
$40 for a 50 pounds bag.
Paul Lamar
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