wickerbill n.— «Wickerbill—Also called a “Gurney flap or Gurney lip,” this piece of equipment is used to create down force on a Sprint car wing.» —“Learning the Lernerville lingo” by Paul Kogut Valley News...
wickerbill n.— «Wickerbill—Also called a “Gurney flap or Gurney lip,” this piece of equipment is used to create down force on a Sprint car wing.» —“Learning the Lernerville lingo” by Paul Kogut Valley News...
