S
PropulsionW
Propulsion
Automotive engineW
Automotive engine
A
Bicycle drivetrain systemsW
Bicycle drivetrain systems
CMD – Costruzioni Motori Diesel S.p.A.W
CMD – Costruzioni Motori Diesel S.p.A.
B
Continuous trackW
Continuous track
CyclorotorW
Cyclorotor
C
Dean driveW
Dean drive
EGTSW
EGTS
D
EmDriveW
EmDrive
Flatrod systemW
Flatrod system
E
Jet propulsionW
Jet propulsion
Magnetohydrodynamic converterW
Magnetohydrodynamic converter
F
Marine thrusterW
Marine thruster
Powered aircraftW
Powered aircraft