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
Around the Patch
Editor-in-Chief Marc Cook discusses the many virtues of Kifoxs new Super Sport, which will be powered by a Rotec radial.
Dry Tappet Clearance
A flat (standard) tappet disassembled into its various parts. Note that the tappet...
Engine Beat
Steve Ells explains the science of alternators, and offers some tips for understanding and troubleshooting problems with the system.
All About Avionics
A clear definition of the mission along with a realistic assessment of the type of flying you'll do are key to successfully completing an avionics retrofit. By Stein Bruch.