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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

Engine Update

UL Power engines have gained popularity in the homebuilt community in recent years. Marc Cook takes a closer look at the Belgian-made line and the people behind it.

25th Anniversary: Homebuilts – The Enduring Soul of Innovation

This month we reflect on the changes we've seen over a quarter century of covering the homebuilt aircraft world; by Cindy Pedersen.

Error Chain

CozyJet dead-stick. Losing an engine was the least of the problems. It was a brake fire that almost destroyed this one-of-a-kind homebuilt.

2014 Kit Aircraft Buyer’s Guide

The state of the kit world is sound. By Paul Dye and Mark Schrimmer