J-turn

English thumb|Animation of a J-turn Etymology J + turn, from the similarity to the shape of the letter J. Noun A 180-degree turn in a vehicle, where the vehicle starts in reverse and ends driving forwards so that the direction of travel remains the same. en 2001 Carl T. Bogus Why Lawsuits are Good for America: Disciplined Democracy, Big Business, and the Common Law New York University Press 160 The institute reported that its tests showed the CJ-5 would overturn when performing a J-turn at just 22 mph. en 2006 Henry M. Holden To Be a U.S. Secret Service Agent Zenith Press 47 This maneuver results in spinning the vehicle into a perfect 180-degree J-turn. Without losing any momentum, the driver then guns the engine and speeds off in the opposite direction. en 2006 Giampiero Mastinu; Massimiliano Gobbi; Carlo Miano Optimal Design of Complex Mechanical Systems: With Applications to Vehicle Engineering 205 Springer Comparisons between referenced car and optimised car are shown in Figs. 7.13-7.15, referring to a J-turn manoeuvre, a steady-state turning manoeuvre and a power on-off while steering manoeuvre. Coordinate terms en U-turn en terms derived from the shape of letters