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Jonathan Welsh

Jonathan Welsh
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The 160 hp turbocharged Rotax 916iS is a four-stroke piston engine with redundant electronic fuel injection and ignition. [Credit: BPR Rotax]

2026 Engine Buyer’s Guide

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Our annual survey of the wide array of engine options available to homebuilders, from certified to experimental.

In Case You Missed It

Dawn Patrol’s Last Hurrah

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Knowing when to fold 'em

Engine Beat

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The first step to stopping an oil leak is determining where its coming from, and thats not as easy as you might think. By Steve Ells.

Homebuilt Aircraft Directory 2022

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Here we are again with our annual “directory” of homebuilt aircraft that are available...

Alternator Woes

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I had the opportunity to address a couple of alternator problems this past week,...