Oxy Heli 5 Instruction Manual page 39

Servo Layout Addendum
A
note: the Standard servo have
distance A less than 26mm,
but in market have some
Servos have distance A
more than 26 you need to
add 4mm Spacer for left
and right front Servo
( the maximum distance
of distance A is 30mm)
4mm Spacer
M2.5x12 Hex Cap Screw
CF Washer
page 39