A control stick cyclically controls rotor pitch angle.
2.
The Air Accidents Investigation Branch issued an update on January 11, 2017 which reported that the tail rotor pitch change shaft bearing had seized.
3.
The cyclic and collective control the main rotor pitch through torque tube linkages to the swash plate, while the anti-torque pedals change the pitch of the tail rotor via a tensioned cable arrangement.
4.
Control of the engine is linked to the collective pitch lever, power being automatically controlled by the rotor pitch setting being commanded; fine adjustment of engine power is achieved via twisting actions on the pitch handle lever.
5.
The rotor blades are made from reinforced-plastic glass-fiber composite material; its flexibility of the main rotor allowed for active elements other than rotor pitch changes to be removed, greatly simplifying maintenance and extending blade lifespan.
6.
Developed as a technology demonstrator, the PV-2 brought several new features such as the first dynamically balanced rotor blades, a rigid tail rotor with a tension-torsion pitch change system, and a full cyclic and collective rotor pitch control.
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