About: http://webisa.webdatacommons.org/165704203

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	Might be a different engine that I am thinking of, but there should be some sort of wear button, or something in there to keep the pin from rubbing the cyl. walls.
http://www.w3.org/ns/prov#wasQuotedFrom	rcuniverse.com