In Case You Missed It
Viewfinder
Mark Cook revisits George Happs RANS S-19 project to see how the Rotax 914 installation has panned out.
Are you considering an alternative engine?
Patrick Panzera explains some specific formulas he uses to see if an engine' claimed numbers pass muster.
Around the Patch
Editor-in-Chief Marc Cook saw some reasons to be cheerful at AirVenture, especially the upcoming refinement of the 51% rule for homebuilders.