Random Flashcards
Static rollover Dynamic rollover 3 requirements
-42* -15* -rolling moment, pivot point, thrust greater than weight
Blade stall: -indication -recovery steps
-vibration, nose pitchup, roll to left -lower collective, aft cyclic
Effective transitional lift is?
16-24knts helicopter will want to climb vortices are washed out causing rapid increase in lift
When does transverse flow effect occur?
14-20knts
Vibration Frequencies: -low -medium -high
-main rotor -engine -tail rotor
Airspeeds: -minimal drag -max range
-53 -83
Manifold pressure marks: -upper red -yellow
-24.1 -19.6 to 24.1
Engine ratings: -Max Continuous -5Minute takeoff -Derated
-124 bhp -131 bhp -145 bhp
Engine rpm?
2652 rpm
Engine Tach Markings: -upper red -green -lower red -bottom yellow
-104 to 110 -101 to 104 -90 to 101 -60 to 70
Airspeed indication markings: -green arc -upper red
-50 to 102 -102vne
Engine make and model?
Lycomming o-360-j2a(beta2)
Rotor tach markings: -upper red -upper yellow -green -lower yellow -lower red -bottom yellow
-110 -104 to 110 -101 to 104 -90 to 101 -90 -60 to 70
5 Compass errors?
-magnectic variation -magnetic deviation -magnetic dip -acceleration error(ands=accel north decel south) -turning error(unos=unshoot north overshoot south)
What is the standard lapse rate for temp and press?
-temp=-2c(-3.5f) per 1000 ft elevation increase -pressure=-1hg per 1000 ft elevation increase