Pilot Operating Handbook
H3 EasyFlyer Sport
SECTION 9
SAFETY TIPS
Dynali_POH_H3 EasyFlyer Sport Rev. 2.5
– Issue date 30.10.2020 Page
71
This
sound
always
accompanies
a
blade
in
the
same
position.
The "roar" in the tail pipe comes from the pinions of the RTG. When the tail rotor turns
slowly, rear blades, one after the other, falls in its roots, causing a “knock”.
The main rotor blades, when they are about to stop, can let a metallic noise like "dwing
jump” be heard.
Vibration level
Horizontal vibration
➢
Unproper rotor balancing
Vertical vibration
➢
Rotor tracking
➢
Worn tilt bearing
Shimmy (or vibration in the
cyclic)
➢
A misaligned blade in his root
➢
Blade bearing deteriorated
After a hard landing
The chassis can not be repaired if damaged. It must be replaced. The angle between
main transmission shaft, main rotor mast and tail boom must be checked.
The skids must bend of maximum 17mm in the central section.
Check that the blade are not misaligned and that all the ball joint of the rotor head keep
their movement free.
Check the free movement of the controls, in all directions.
FLY SAFE.
