Hi Rowland,
I used standard aircraft grade screened cable and have not had any problems.
As the ignition modules are not really magnetos I suspect we are simply
controlling a transistor.
Regards
Brian
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Rowland Carson
Sent: 03 December 2012 13:18
Subject: Re: Europa-List: what wire/cable to use for rotax magneto p-leads
--> <rowlandcarson@gmail.com>
On 3 Dec 2012, at 11:57, Christoph Both wrote:
> Best to call your Rotax Dealer to see if they have the two small pins
> you need to insert into the Molex Type ignition module connector box
Christoph - thanks for your message. I've got the blank pins that came with
the engine, and an assortment of crimping tools, one of which I'm sure will
be equal to the task.
I'm concerned about whether "ordinary" screened aircraft cable will be OK
for the high voltages (thousands of volts) that appear in ignition circuits.
In my youth I was involved in the development of colour TV for UK
transmission and so did some poking around in boxes that had 30kV lurking
inside. I was impressed by the way such voltages could walk across things
that I have previously regarded as insulators. Similarly, (before I switched
to driving a diesel car) I've been amused by the capability of car ignition
voltages to find a route to earth that did NOT involve the appropriate spark
plug. So, I am approaching this question with some respect for the physics
involved.
in friendship
Rowland
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