60 Years of Aircraft Spruce

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Celebrating 60 years at AirVenture 2025, Aircraft Spruce’s Jim Irwin shares how the company grew from spruce lumber to a one-stop aviation parts source.

Oshkosh Live 2025: Amy Wilkins’ GlaStar

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Amy Wilkins describes her GlaStar at AirVenture 2025.

Zenith Aircraft Workshop Class and Fly‑In Gathering in Michigan

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Hands‑on Zenith kit workshop and fly‑in set for October 10–11, 2025, in Howell, Michigan.
prop blade root

Unairworthy: Prop Blade Root

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Neglecting constant-speed propeller overhauls can lead to hidden damage—like blade root wear from poor lubrication or extended inactivity.
wings over willamette stol wars

Wings Over Willamette Returns With STOL WARS Thrills

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Wings Over Willamette & STOL WARS returns Aug. 16–17 with forums, youth activities, and backcountry action at Oregon’s Independence State Airport.
sonex highwing at airventure 2025

Sonex Highwing at AirVenture

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Sonex displays its first high-wing model at AirVenture 2025. The aerobatic Highwing blends utility, access, and top-tier handling with 130-HP power.

AirVenture Postcards

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Highlights from AirVenture 2025 captured in photos by Tom Wilson.

AirVenture in the Mirror

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Leaving Oshkosh is always a bittersweet experience—on the one hand, we’ve been here for seven days, showing up at the field just after sunrise,...

Lions of Wittman Plains

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You’ve seen the image of lions lined up in the shadow of an airplane wing on the plains of the Serengeti? We present to...

Postcards From Oshkosh—Saturday

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Highlights from AirVenture 2025 captured in photos by Tom Wilson.

In Case You Missed It

Letters

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WD-40Dave Prizio refers to WD-40 as a lubricant in his article about cables and...

Design Process: Slots and Slats

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Opening a properly shaped slot between the lower and upper surface of the wing...

Twelve Months to Takeoff

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The first customer-built Zenith CH 750 SD takes to the sky.

Wheel Pant Suspenders

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The challenge with this wheel pant was where to mount it, and how.