Dynamometer Break-In: Worth It
Running a new engine on a test stand or, especially, a dyno, makes so much sense we don’t know why everyone doesn’t do it.
2025 Engine Buyer’s Guide
Traditional engines dominate, but the alternatives are looking more mainstream.
In Case You Missed It
Challenger Enjoys a Birthday
250 enthusiasts gathered at Erie Airpark, in Illinois, to celebrate a major milestone: The 25th anniversary of the Quad City Challenger line of aircraft. By Bryan Quickmire.
Viewfinder
Burt Rutan’s 1980s Catbird was originally designed for the CAFE Foundation fuel-efficiency competition, but Marc Cook wonders whether it might make a fine homebuilt kit aircraft today.
Metal Magic: Learning To Love the Step Drill
KITPLANES editor at large Paul Dye explains the best times to use the so-called...