Magazine

Designing and building a modified RANS S-9, part 2. By Michael Ryer and John Wells.

As we saw last month, an ideal cooling air inlet system should ingest air from the free stream and bring it to rest or...

The state of Oregon has a new law that mandates using ethanol in all auto fuel, potentially affecting thousands of pilots, especially owners of most of todays Light Sport Aircraft powered by the ubiquitous Rotax 912 engine. It may not be too late to take action against similar legislation that could be brewing in your state; by Dave Martin.

Columnist Jim Weir comes up with what he thinks is the optimal design for getting power from the 12-volt aircraft battery to the LED without wasting any.

With X-Plane, you don't have to wait until the paint is dry to start test-flying your homebuilt project. A remarkable simulation will allow you to do that early on. By Chuck Bodeen.

Paulo Iscold's Nixus sailplane debuts a fly-by-wire control system.

Avionics guru Larry Anglisano examines the market for used lightning-detection gear.

We all have the same problem: Organization eludes us. It can be a nightmare when we start driving rivets. Sometimes you have several sizes...

Part Husky, part Cub, the Bearhawk Patrol evokes 1940s-era shapes but with the benefit of today’s advanced manufacturing. By Chuck Berthe.

Mike Loehle shows us the process of prepping both metal and composite surfaces prior to painting as well as applying color and clear coats.