Assertion: centerboard | /r/HasProperty | fiberglas
Facets:
Source sentences:
text: Centerboard (option): Fiberglass, with lead ballast, steel rods and bronze pin through fiberglass pipe; stainless wire rope runs along bronze sheaves in fiberglass casing and stainless pipe to C/B winch on cabin house.
text: The O'Day, as someone mentioned has a shoal keel which is a part of the hull (not bolted on) and then there is a slot for the centerboard, which is also fiberglass and much lighter than the Catalina keel.