Crabs
You can also have a port engine failure as well
; the
Double Mamba (or "Twin Mamba"). The Double Mamba was basically two Mambas mounted side-by-side and coupled through a common
gearbox to contra-rotating propellers. Power was transmitted from each engine by a torsion shaft which was engaged through a series of sun, planet, epicyclic and spur gears to give correct propellershaft rotation and an acceptable reduction ratio
