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Norm Ellis

Norm Ellis
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Sizing an Avionics Cooling Fan

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How much is enough?

Cool Runnings

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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

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The reality behind this pretty but high-maintenance material.

Unusual Attitude: GPS and Reality

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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

Freedom to See It Differently

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Jeff Van West flight-tests two popular EFISes in a Remos GX LSA, and examines their accuracy, user interface and reliability. After all the stones have been unturned, your choice can be simplified: Are you a Mac or a PC?

Homebuilt Accidents-First Flights

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Builder error is a major factor in first-flight accidents.

Ask the DAR

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A reader asks if he can use his Experimental/Amateur-Built aircraft for instruction. DAR Mel Asberry’s answer: It’s not a problem, but charging for transition training of a non-owner pilot requires a specific operational exemption.

Letters

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Enjoyed Alaska!I thoroughly enjoyed the story in the April 2014 issue about Robert E....