About: http://webisa.webdatacommons.org/176600218

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	However, the vanes increase drag and are particularly disadvantageous when flying at cruising speeds where noise suppression is not required.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com