8 MAIN COMPONENTS

Function

What

Material consisting of numerous extremely fine fibers of glass

Where is it used

Aeroshell, shear webs, leading edge, spar cap and trailing edge

For production of Fiber reinforced polymer (FRP) composites

Fiberglass

Function

What

Composite material made of a Fiberglass and a polymer (e.g. epoxy)

Where is it used

Spar cap

Strengthen the basic structure of rotor blades

FRP – Fiber reinforced polymer

Function

What

Material compound of FRP and foam (e.g. polyvinyl chloride (PVC) or polyethylene terephthalate(PET)

Where is it used

Shear webs

High strength-to-weight ratio for rotor blades

Inner sandwich structurd composite

Function

What

Material compound of FRP and foam (e.g. polyvinyl chloride (PVC) or polyethylene terephthalate(PET)

Where is it used

Aeroshell

High strength-to-weight ratio for rotor blades

Outer sandwich structured composite

Function

What

Very lightweight wood

Where is it used

Part of sandwich structure

Makes rotor blade lighter

Balsa Wood

Function

What

Polyvinyl chloride (PVC) or polyethylene terephthalate (PET)

Where is it used

Part of sandwich structure

Makes rotor blade lighter

Foam

Function

What

Polyethylene (PE) or polyurethane (PUR)

Where is it used

Aeroshell

Weather protection

Coating

Function

What

Metalstring

Where is it used

Part of shear webs

Lightning rod

Copper wiring

 

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