Re: Running Coil without secondary coating?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Peter Lawrence by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Peter.Lawrence-at-Sun-dot-com>

I've tried buying the "insulating spray on varnish" directly from Grainger,
but they won't sell to me directly, evidently they do not do retail, only
wholesale. Anyone got a suggestion as to where I can get this stuff retail?

thanks,
Pete Lawrence.


>Original poster: "Metlicka Marc by way of Terry Fritz <twftesla-at-qwest-dot-net>" 
<mystuffs-at-orwell-dot-net>
>
>Hi Mike, Matt
>I've used the spray-on\krylon products on many industrial motors, field
>coils and also on almost all my coils, I recommend it very highly. The
>best way that i found to coat anything with it is to use thin coats
>allowing it to flash dry for five minutes or so and then coat again, and
>so on.
>Even when painting it out of a gallon can i try to spread thin even
>coats, In fact, the coils that i sprayed with clear polyurethane seemed
>to me to get more racing arcs and were the only ones i've gotten bit by
>tearing down?
>I guess it boils down to the look you like and what you can get? The
>nice thing about insulating varnish is that if you do get an arc that
>burns through, a quick wipe with denatured alcohol and a few fresh coats
>usually makes it good as new.
>Take care,
>Marc M.
>
>Tesla list wrote:
>> 
>> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
><Mddeming-at-aol-dot-com>
>> 
>> Hi Mike,
>> My experience with Krylon has been one of poor quality control, both in
>product
>> and can - some good, some lousy. That is why I couldn't recommend it to
>Patrick
>> if time is critical and he only has one shot at getting it right. Your
>> experience may be different from mine. I am not sure that I have used a
>> "statistically significant" number of cans of the product to make a
>definitive
>> assertion.
>> Cheers,
>> Matt D.
>> 
>> >
>> > Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
>> > <Hollmike-at-aol-dot-com>
>> >
>> > Matt.
>> > Sprayon(Formerly Krylon) has an insulating varnish that works great.  has
>> > 2100V/mil dielectric strength and is meant for transformers, motors, etc.
>> >   I got a case of it through Grainger catalog and have used it on all my
>> > coils
>> > since
>> > Mike
>> >
>> >
>> >
>> > >
>> > > Hi Patrick,
>> > > Two coats of poly will work OK for a while. You can always add more
>later.
>> > > Some
>> > > folks run with "naked" coils.
>> > > IMO, Save the Krylon for spraying Graffiti.
>> > > Matt D.
>> > > G3/1085
>> > >
>> >
>> >
>> >
>> >
>> >
>
>