Tom Kuffel
Tom Kuffel, builder of a Glasair Sportsman, is a 4000-hour CFI with sea and multi-engine ratings. He has also flown on several hundred aircraft searches while managing to be the subject of one or two himself.
Two-axis Electric Trim Controller for Under $50
This homebuilt two-axis electric trim controller has all the functions of the fanciest commercial units, yet it costs less than $50 for the parts.
Simplified One-Off Electronic Projects
As homebuilders, we are accustomed to doing a lot of preliminary and/or tooling work to build a couple of pieces for our aircraft. Tom Kuffel created an auxiliary fuel transfer pump controller for his GlaStar Sportsman for next to nothing, a real savings over the retail price of $300, and he describes how he did it.
In Case You Missed It
Wind Tunnel
Barnaby Wainfan explores the optimum size of a wing and the best ways to balance performance and efficiency.
Aero ‘lectrics
There are many ways to check the accuracy of your airplanes tachometer. From the commonplace to the offbeat, Jim Weir explains their benefits and drawbacks.
Mounting On a Curve
A long time ago, when homebuilders began installing Garmin 430s—the most popular IFR GPS/nav/com...