Experimenter is a magazine created by EAA for people who build airplanes. We will report on amateur-built aircraft as well as ultralights and other light aircraft.
Issue link: http://experimenter.epubxp.com/i/96284
U L Po w e r A ir p l a n e En g in e s ULPower Airplane Engines Born in a helicopter with racing genes By Marino Boric 22 NO. 4/ DECEMBE R 2012