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Polyurethane<br />

erosion cap<br />

Clamp<br />

Fiberglass<br />

access cover<br />

Cuff shell<br />

Teflon-dacron<br />

costed steel<br />

attachment pins<br />

Eccentric<br />

bushings<br />

Filament wound<br />

fiberglass sleeves<br />

4340 steel<br />

pitch houslng<br />

Steel nuts<br />

Nose balance<br />

weight<br />

Electroformed nickel<br />

erosion cap<br />

Polyurethane/ Tip weight<br />

nickel erosion cap fitting<br />

Eccentric<br />

_gs<br />

A<br />

Elastomerlc<br />

cuff seat<br />

Nomex<br />

honeycomb<br />

TIp<br />

shell<br />

Llghtnlng<br />

protection<br />

Fiberglass/ core<br />

graphite D-spar / Trailing-edge<br />

/ \<br />

Erosion cap Fiberglass<br />

skin<br />

Section A-A<br />

Figure 2. Structural assembly of the XV-15 A dvanced Technology Blade.<br />

41

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