Low Compression

Usually, we look for something greater than 60/80 when doing compression checks on Lycoming engines. A reading such as this one (36/80) really warrants...

Home Shop Machinist

Totally tubular: Tips for tube notching.

Editor’s Log

Mary Bernard discusses the challenges companies face when they try to improve an existing design, let alone develop a new product. The Glasair Sportsman TC is a case in point.

Experimotive

You know those engine vendors you usually see at the big annual air shows? Where do they go when they disappear? Detective Rick Lindstrom is on the case.

What’s New

A glare shield for Garmin GPS units; Sportair USAs certified pre-owned LSA program; quick reference for aera and AV8OR Ace; Better Half VW announces Legal Eagle XL. Edited by Mary Bernard.

Barefoot Flying

A relative newcomer to the U.S. kit aircraft clan, the Sport Air Corsario import from Rio de Janeiro borrows characteristics from other amphibians while displaying a personality and pleasurable flying qualities uniquely its own; by Dave Higdon.

Ask the DAR

We begin a short series that looks at the particulars of a homebuilt aircrafts operating limitations. Have you read yours?

Building Unusual

Westfall Special past and present.

Plane and Simple

Trailering an aircraft.

Changing a Perfectly Good Airplane

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

In Case You Missed it

Letters

 Metal on MetalThis question is in regard to your September 2012 issue article "Installing...

Turbine Moose: The Ultimate Amphib

Its said that sailors make good floatplane pilots because they understand the nature of wind on the water. Sailboat racer and pilot Rick Orchard took that sentiment to heart in a big way when he decided to pump up an already large homebuilt (the Murphy Moose) by adding Aerocet amphibious floats and a 550-horsepower Pratt & Whitney PT6A-20 turbine engine.

Tail Surfaces and Aerodynamic Effects

Major aspects of tail design and how they affect the performance of an aircraft in flight.

Product Review: Spidertracks S3 Aviator

The next-gen Spidertracks Aviator satellite tracker offers more features at a better price. What’s not to like? By Marc Cook.