REFLECTOR: new electronic ign.

Brian Michalk michalk at awpi.com
Sat Jul 17 14:29:41 CDT 2004


If you look up some racing catalogs, you can find magnetos.  Faster RPM,
hotter the spark.  Not saying anything about aircraft mags, just a note.

 Brian Michalk  <http://www.michalk.com>
Life is what you make of it ... never wish you had done something.
Aviator, experimental aircraft builder, motorcyclist, SCUBA diver
musician, home-brewer, entrepreneur and barely single


> -----Original Message-----
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org]On
> Behalf Of Brian
> Sent: Saturday, July 17, 2004 1:41 PM
> To: 'Velocity Aircraft Owners and Builders list'
> Subject: RE: REFLECTOR: new electronic ign.
>
>
> Mags do not have a lousy spark. They need two spark plugs per cylinder
> because it is too big to combust properly with only one ignition point,
> especially a 540. And you need two ignition units because anything can
> and will eventually fail. Electronic units fail instantly instead of
> running rough like an old style mag.  bg
>
> -----Original Message-----
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
> Behalf Of Scott Derrick
> Sent: Saturday, July 17, 2004 10:15 AM
> To: Velocity Aircraft Owners and Builders list
> Subject: Re: REFLECTOR: new electronic ign.
>
> > Try and remember: you do not have two mags because they give better
> > ignition that way - they give lousy ignition the day you install them,
> > and go downhill from there. You have two mags because one of them is
> > *certain* to fail. One electronic unit provides better ignition (saves
> a
>
> While I agree that mags are much more failure prone than an EI and that
> one of the reasons for two is redundency in case of failure.
>
> Mags have a lousy spark and you will not get full power with just one.
> two are required.  Even with EI's two plugs will provide a more complete
> burn and more power than one.
>
> Scott
>
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