Ketch ketch and the yawl have two masts, with the main mast foremost; the distinction usually being that a ketch has the mizzen mast forward of the rudder post, whereas on a yawl, it is aft of the rudder post. But the balance of sail area can be an overriding characteristic. If 20% or more of the sail area is in the mizzen sail the rig would be termed a ketch. This is particularly true on center cockpit yachts. Compared to a ketch, a similar size yawl's mizzen sail is much smaller than the main, because of the limitations of the
Jack Ketch took his place, but on 28 May, following his conviction for robbery, Rose himself was hanged at Tyburn and Ketch reinstated. Ketch died in November 1686. In 1836 a fictitious autobiography of Ketch, with illustrations from designs by Meadows entitled "The autobiography of Jack Ketch", was published. Another book entitled "Life of Jack Ketch with Cuts of his own Execution" was furnished by Tom Hood for the Duke of Devonshire's library at Chatsworth. Jack Ketch is one of the characters in Giovanni Piccini (d.1835) "The Tragical Comedy or Comical Tragedy of Punch and Judy" as dictated to John Payne Collier,