Tom Wilson
EAA AirVenture Cup Race Applications Now Available
Applications for the 26th annual EAA AirVenture Cup Race are now available online. The 2024 AirVenture Cup Race begins at 9:00 am CDT on...
Case for the Lyconsaur
Last time we met, the question was if the engines of the future had already arrived. This time I’d like to turn around and...
Is the Future Here?
For ages one of the most common laments in aviation is we’re still flying around behind ancient engines. LyConsaurs they’re called, and when in...
Corvair
Azalea Aviation
Bill Clapp at Azalea Aviation offers Corvair engines as a sideline to his main business, Saberwing aircraft. Those planes use his 100- and...
Dynamometer Break-In: Worth It
Running a new engine on a test stand or, especially, a dyno, makes so much sense we don’t know why everyone doesn’t do it.
Circling the Airport
Building Experimental aviation engines is a tough business at best, so engine programs come and go. Furthermore, as sport aviation blossoms into the competition...
Jets & Turboprops
PBS Aerospace
Even with all the recent interest in small turboprops, there is but one place to burn kerosene in the build-it-yourself world. The SubSonex...
Flat Four-Stroke Gasoline
AC-Aero USA LLC
Stroker kits and water-cooled cylinders for Lycoming 360/540 engines are AC-Aero’s specialty. This still-new company seems to have found a steady base...