Troy Zawlacki, Author at KITPLANES

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Troy is an engineer and machinist based in Silicon Valley with passion for building, restoration, and flying his Quickie Q-2. Troy is currently wrapping up his second build, a RANS S-21 with a personalized O-320.

Denso alternator pulley on a Lycoming engine

Denso Alternator Homemade Adaptation

Troy Zawlacki - April 16, 2025 5

Swapping a Denso alternator into a Lycoming engine? Here’s how one builder tackled pulley design for optimal reliability.

In Case You Missed It

Trimming composites gets the full PPE job. [Credit: Eric Stewart]

A Few of My Favorite Tools

Eric Stewart - July 20, 2026 1

Occasionally I see articles by colleagues on their favorite tools (a somewhat less controversial...

Building on the Past

Scott Spangler - January 23, 2015 0

Wag-Aero Group sustains an aviation era.

Learning to Weld

Ken Scott - October 14, 2011 0

Ken Scott's series on welding closes with an afterword from his mentor, Philip Groelz, who explains why TIG welding is the way to go.

The Last Laps

Tom Wilson - November 12, 2023 0

The racing at the final Reno races was good until it wasn’t.