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Norm Ellis

Norm Ellis
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Sizing an Avionics Cooling Fan

How much is enough?

Cool Runnings

Norm Ellis does the math and shows you how to select the right oil cooler for your engine-cooling package. Given the critical role oil temperature plays in engine health, its a good idea to go beyond selecting the smallest, lightest and cheapest cooler you can find.

Stainless Steel

Author Norm Ellis is not a particular fan of stainless-steel, even though he knows it has its place-even if that place is not in your airplane. After providing a brief history of this widely used material, he makes a case for choosing the right stock for the right project on the basis of utility rather than beauty-and he offers the stats to back up his assertions.

Unusual Attitude: GPS and Reality

While he admires and uses them, author Norm Ellis laments the lack of user-friendliness in todays GPS units. Editor Marc Cook counters that argument and extols the virtues of GPSes, complications or no, and their value in the cockpit.

In Case You Missed it

Around the Patch

Editor-in-Chief Marc Cook looks closely the TSAs proposed badging plan for GA aircraft, which was buried in the Large Aircraft Security Program (LASP). Also, is there a chance for a Superior Air Parts revival?

The Ownership Experience

Is the Turbine Evolution the ultimate upgrade?

Something to Do

Upon his retirement, Jim Shy embarked on a lifelong dream of building his own airplane. But before he even decided on a design, he bought a place to keep it: his own airport.

Aero ‘lectrics

Columnist Jim Weir sounds off on an all-purpose beeper that will work for most anything you want to call attention to in the cockpit.