[AT] Coating for small engine mag

[Stephen Offiler]

As long as the paint contains nothing ferrous (iron, iron oxide, etc...
certain reddish pigments could be a problem) it looks just like air to the
magnetism that is creating the spark.  Of course you can't lay it on
thick.  The air gap tends to be pretty small, which is critical for the
performance of the magnetic "circuit".

But, why not paint it at the factory?  That's an interesting question.

SO


On Thu, Dec 7, 2017 at 5:21 PM, Mike M <meulenms at gmx.com> wrote:

> That is obvious, but I doubt it was painted from the factory or it
> wouldn't be rusted now. Wasn't sure if paint would interfere with the
> spark.
>
> Mike m
>
> On 12/7/2017 3:37 PM, Stephen Offiler wrote:
> > Hate to sound obvious, but, how about paint?
> >
> > SO
> >
> > On Thu, Dec 7, 2017 at 1:25 PM, Mike M <meulenms at gmx.com> wrote:
> >
> >> My wood splitter wouldn't start the other day, had plenty of gas, wet
> >> plug, but weak spark. I suspected rust on the flywheel, so I tore it
> >> apart and I was right. Cleaned it up, and now have a nice strong spark.
> >> Question is, can I coat the mag and coil pickups with anything to
> >> prevent the rust from re-occurring?
> >>
> >> Thanks,
> >> Mike M
> >>
> >>
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