GENERAL AVIATION
14 APRIL 2017 AIRCRAFT MAINTENANCE TECHNOLOGY
ast year the German company Geiger Motor
GmbH introduced two new Wankel avia-
tion engines advertising them as "Power-
to-Weight-Heroes." We have heard many
similar slogans in the past from almost all
other Wankel engine manufacturers, but
Wankel engines never achieved success in
the aviation engine market. Some projects
disappeared, other were renamed many
times, and just a few have found limited
GEIGER MOTOR GMBH DELIVERS
NEW WANKEL AVIATION ENGINES
Geiger debuted at Aero 2017 in Germany a new engine/generator
solution for electric aircra, and is also developing versions with
a direct (combustion chamber) fuel injection
By Marino Boric
ALEXANDER
GEIGER and
Wolfgang Baier
with a Flight
Design CT with a
two-rotor Geiger
A2-74 engine in the
background.
IMAGES COURTESY OF MARINO BORIC