Magazine

The Rotax 912 engine has become ubiquitous in homebuilt aviation, and now a company has found a way to improve its fuel efficiency. By Steve Ells.

Bud Warrens Geared Drives has entered the firewall-forward business with promising results thanks to a new PSRU. By Rick Lindstrom.

This month DAR Mel Asberry tackles questions about modifying an aircraft and the flight testing required, what should be on a dataplate, and what you need to know about getting an airworthiness certificate after completing a partially built aircraft.

Another European SLSA reaches American shores in the form of Tecnams high-wing, high-style, partially carbon-fiber Tecnam P2008. By Dave Martin.

Editor-in-Chief Marc Cook looks at the potential impact on GA of Lycomings new IE2 engine that features electronic engine management.

Home Machinist Bob Fritz had been looking for a way to compare the effectiveness of various screw extractors he had accumulated in his toolbox, and he found a willing test subject in a Cessna 170s 60-year-old gas tank.

In this years update of the options for EFIS buyers, we find that while some companies have folded or opted out of courting homebuilders, others are marching ahead with new products, features and cooperative arrangements. By Stein Bruch.

Builders share their successes.

Jim Weir wraps up the Back Yard II wind tee project, illumination and all.

Increasing the weight of an aircraft will affect its performance in all phases of flight.