Exploring

The innovative work of Bud Warren contributed much to the homebuilt community and saved many an engine from being relegated to the scrap heap. By Rick Lindstrom.

Dynons DX15 handheld transceiver marks the company's introduction to a crowded product category. By Paul Bertorelli

Sun n Fun 2011 opened with stormy skies and a tornado, but the Green Space area offered a ray of sunshine at the rain-soaked event. By Dean Sigler.

Swapping out an engine leads to an even greater question than just finding one that fits: How do you keep it cool? By Amy Laboda.

Venture out of your comfort zone every so often, because stretching can be fun.

Roy Beisswenger takes a look at how you too can join the league of record holders in the ultralight world.

Marc Cook discusses the loss of Geared Drives Bud Warren and his daughter, as well as his decision to step down from his position as Editor-in-Chief.

Flight Data Systems has introduced a new carbon monoxide detector that integrates with most EFIS units, American Legend introduces the Super Legend, Ace Aircraft is selling reproductions of Corben Super Ace plans from 1935, and RANS Aircraft has developed a control lock. Edited by Mary Bernard.

Editor-in-Chief Marc Cook discusses the magazines new approach to the Alternative Engines Buyer's Guide and the blowback from his commentary about these engines in the May issue.

PS Engineering has introduced a new audio panel/com, Avemco creates a safety team, Comp Air offers special pricing incentives on its 6 kit, and UL Power of North America names Zenith as first OEM. Edited by Mary Bernard.