Portable Oxygen: Basic Purchase Advice

Oximeters reveal that more of us need oxygen than not.

Building the Bearhawk LSA

The start of a long, enjoyable tale.

Record Breaker

Setting the round-trip USA aviation speed record in an RV-6A. By Jeremiah D. Jackson.

Insurance And Training

Just because you built it, doesn't mean you're ready to fly it. By Scott Sky Smith.

Crewing at Reno

A window into air racing.

Building the Bearhawk LSA

Working on the wings.

Speed Deburring

Why turn a hand crank when electrons work so cheap?

Avidyne IFD540 vs. Garmin GTN 750

Understanding the differences between these highly capable GPS navigators.

Rapid Prototyping and Experimental Design

CNC mold blank fabrication, part 1.

Supercharging: The Turbo Alternative

Bill Beaton chose a centrifugal supercharger for racing and cruising.

In Case You Missed it

Jet Eze

Turning a dream into reality, part 2.


Builders share their successes.

AirVenture By RV?

Since my Van’s RV-10 first took flight in 2014, I’ve made it to Oshkosh...

Editor’s Log

The chain.