Efficient Engines

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There are many ways to increase an engine's efficiency when rebuilding. Tom Wilson reviews the options, along with the costs involved and the expected returns.

Making the Perfect Lancair

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Terrence O'Neill has taken customization of his Lancair 235 to a new level, from the Burns Stainless exhaust to a remote-controlled canopy.

Firewall Forward: Lycoming Engine Service School

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Dave Prizio attends the Lycoming Engine Service School in Williamsport, Pennsylvania, and comes away from the experience with many lessons.

All About Avionics

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Building your own panel need not be daunting. Stein Bruch offers some wisdom about how to keep the project on task and avoid the mistakes others have made.

Ask the DAR

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Who can be in the cockpit of a homebuilt aircraft during Phase I flight testing? Mel Asberry answers the question.

Engine Update

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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.

Simplicity

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Countless modifications for homebuilts are available, but does that mean they're right for our projects? Paul Dye discusses the value of keeping things simple.

Aero ‘lectrics

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Jim Weir explains how LED strip lighting works and explores the ways in which it can be used in your homebuilt or your shop.

Wind Tunnel

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Seemingly inconsequential alterations—even mounting an inflight camera on the airframe—can result in big changes to an aircraft’s handling and performance.

Zenith CH 650 B

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With the UL Power 350iS engine and other mods, the new CH 650 B has advanced Zenith Aircrafts product line. By Marc Cook.

In Case You Missed It

Around the Patch

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Editor in Chief Marc Cook finds himself in the unique position of being able to compare performance of his GlaStar Sportsman with two different Hartzell props.

Wittman. Field.

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AirVenture comes to this place, not from this place.

What’s New

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ATS Voyager-when you get serious about a borescope.

GlaStar Walkaround with Amy White

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New GlaStar owner Amy White describes what it's like to own and fly this...