The Murphy Builders Site

Hi Bruce !

Yes ! Blast tubes to cool the mags are highly recommended
by the overhaul shops. About a 1/2" hole will do, with almost any
kind of tubing to direct the cooling airflow onto the mag.
Even a bent-up sheet metal channel will help.

I just added them to my O-320, and, in a hurry, used the
plastic flex piping usually used to wrap bundles of wires, sealed
in with high temp. silicone - seems to work !

All things electronic seem to work better and longer when
kept cool, and mag coils and condensers can suffer from excess
heat.....

.....bobp

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At 10:57 PM 7/8/01 EDT, you wrote:

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Hi Bob,

Do you guys cut holes in the baffling to duct cooling air to your mags?

Bruce G
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