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LeRoy Cook

LeRoy Cook
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Contributing Editor LeRoy Cook is an experienced journalist with writing credits in just about every aviation publication that counts. He brings a wealth of knowledge and perspective to his flight reviews.

2025 Propeller Buyer’s Guide

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We’re here to help you choose the right airscrew.

Sun ’n Fun to the Rescue: Aviation’s Spring Break

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When you’ve had enough of winter, the aerospace expo arrives just in time.

2024 Propeller Buyer’s Guide

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Which propeller is right for you?

It Wouldn’t Be Oshkosh Without It

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A little rain is to be expected

Comp Air 6.2 Shown At AirVenture

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Ron Lueck of Comp Air Aviation is showing his latest creation at AirVenture 2023, the Comp Air 6.2 six-seater kit design, perhaps better approached...

Getting Around on the Grounds

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First time visitors to EAA AirVenture predictably utter the standard pronouncement, “I had no idea it was so BIG!” I always try to prepare...

The Places We Fly Over

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Coming to EAA AirVenture Oshkosh is, for most of us, a matter of following GPS guidance over the NOTAMed waypoints, with nary a thought...

2023 Propeller Buyer’s Guide

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Picking your perfect prop.

Zenith Aircraft Marks 30 Years In Mexico

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On September 16 & 17, 2022, Zenith Aircraft’s latest edition of its annual open house celebrated the factory’s 30th anniversary. We made our first...

Finding the Proper Prop

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Which propeller is right for your homebuilt?

In Case You Missed It

Unusual Attitude

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RV builder Kathleen Evans makes a case for airplane building as a true partnership between spouses based on mutual interest and respect.

Rapid Prototyping and Experimental Design

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Coupon testing, part 1.

Alpha Systems AoA

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A standalone angle-of-attack solution.

Alternative Energies

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Motor controllers—making DC into AC. By Dean Sigler.