Learning To Weld
Ken Scott finds that practice makes perfect (or pretty good) as he puts his newfound wire-feed welding skills to the task of replacing rotting wood hangar doors with sturdy, steel-frame ones.
The Ultimate Upgrade
With Lancair’s factory-authorized builder assistance program, new Evo owners Wendell and Martha Solesbee get a leg up on their project. Custom jigs and extra hands take weeks off the build time and ensure they’re ready for the next steps.
Ask the DAR
Major changes to your homebuilt aircraft require sign off by the FAA. Mel Asberry explains how to keep it legal.
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.
Interference Drag Adds Up
Barnaby Wainfan explains the role of properly designed wing-fuselage junctions in reducing interference drag.
Riding the Radial Rocket RG
The Radial Rocket TD already had a following, but with some tweaking and the addition of retractable gear, the new Radial Rocket RG is poised to take off. By Ed Kolano.
Editor’s Log
Mary Bernard discusses staff changes at KITPLANES and the new series and columns that are making their debut this month.
What’s New
Simplex Aeroplanes offers discounted plans for its Cloudster Ultralight, and Superior Air Parts has resumed shipping its Experimental XP Series engines to dealers.
Viewfinder
Mark Cook revisits George Happs RANS S-19 project to see how the Rotax 914 installation has panned out.
![Last Bits Careful planning and determination will get you to your goal of building and flying your own airplane. [Credit: AdobeStock]](https://www.kitplanes.com/wp-content/uploads/2026/05/Pulsar-Sunset.jpg?w=534&h=462&crop=1)
![Winging It [Credit: AdobeStock]](https://www.kitplanes.com/wp-content/uploads/2026/05/AdobeStock_262642207_AGCuesta.jpg?w=265&h=198&crop=1)
![Think Like a Builder Lowell Farrand spent years serving as an FAA DAR and is in the EAA Hall of Fame. He offers sound advise to builders. [Credit: Bill Wilson]](https://www.kitplanes.com/wp-content/uploads/2026/05/unnamed-4.jpg?w=265&h=198&crop=1)
![2026 Engine Buyer’s Guide The 160 hp turbocharged Rotax 916iS is a four-stroke piston engine with redundant electronic fuel injection and ignition. [Credit: BPR Rotax]](https://www.kitplanes.com/wp-content/uploads/2026/05/PIC_916-iS_iSc-2.jpg?w=265&h=198&crop=1)
![Manual Starting Methods The alternative to bending down as the propeller is pulled through the compression stroke is to keep the back straight and bend the knees slightly, stepping away in a crouch. [Credit: LeRoy Cook]](https://www.kitplanes.com/wp-content/uploads/2026/05/IMG_1519-scaled.jpg?w=265&h=198&crop=1)













