About: http://webisa.webdatacommons.org/124675501

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	E.g. with Depron and a few other foams it is relatively easy to get a decent cambered airfoil without the need even for ribs but there are definite techniques that need to be learned...in my case mainly by trial and (lots of) error.
http://www.w3.org/ns/prov#wasQuotedFrom	rcgroups.com