Thanks for replies - this theory seemed a bit too general to me too... Out of curiosity - can anyone provide the values of min autorotation sink rate and corresponding airspeed for their helicopter type? I'd like to have a general idea...
The book I quoted was a Polish book "Budowa i pilotaz smiglowcow" by Mr. R. Witkowski - I don't think many PPruners are familiar with this one
Can anyone recommend other aerodynamics handbooks? (preferrably a bit more nerdy than the "FAA Rotorcraft Handbook"
)
Cheers,
Stuck