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How long does a helicopter rotor blade last before it needs replacing?
Wiki User
∙ 15y ago
If well maintained and undamaged it can last for quite a few years.
Limiting factors will be...
Component life: All major components on any aircraft have a life limitation based on how many hours used, and some have a calender time for the life as well.
Condition: Rotors are prone to erosion of the surfaces in use, this is increased in dusty or sandy environments. An easy technique to prevent this is using special tapes or spray paints to be eroded first, leaving the blade intact.
Material of construction: The first blades were wooden, later Aluminium, then more recently composite blades have become the norm. Each material has its own strengths and weaknesses, which relates to the lifespan.
Damages incurred: While lighter and technically superior composite blades are the least tolerant of damage of any kind, and what can look minor impact damage can seriously weaken the structure of a composite blade.
Wiki User
∙ 15y ago
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