"The PFM3200 is fitted with an electronic ignition system with an altitude control unit.  This dispenses with the need for a mixture lever, optimising fuel burn and performance throughout the flight. The engine is controlled by just one performance lever, which combines both throttle and r.p.m....
 
.....Porsche has been rumoured to be on the trail of a general aviation engine piston engine for some time.  It's aviation history goes back to 1908 when Ferdinand Porsche designed a 100 h.p. airship engine.  The company built aero-engines in both world wars, and in 1955 produced its 4-cylinder, 52-57 h.p. type 678 piston engine for light aircraft. Porsche has recently been in the limelight, its 911S powering the Airship Industries Skyship 500....."