A blade element is provided and includes courses of bias plies continuously machine-wrapped about leading and trailing edges at an angle relative to a long axis of the blade axis and unidirectional plies interwoven in parallel with the long axis between adjacent courses of the bias plies on upper and lower surfaces to promote respective tangential geometries of the bias plies at the leading and trailing edges, the unidirectional plies not extending into the leading and trailing edges.
ROTOR BLADE SPAR FORMATION WITH AUTOMATED FIBER PLACEMENT
2017-08-03
Patent
Elektronische Ressource
Englisch
Rotor blade spar formation with automated fiber placement
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