Crossbow II

{{Italic title}}

File:Crossbow II sailboat, esquisse.png

Crossbow II was a late 1970s proa (or asymmetrical catamaran) sailboat, the successor craft to Crossbow.{{cite web|url=http://www.angliaafloat.co.uk/heritage/waterway-history/sir_timothy_colman_s_memories_of_crossbow_40_years_on_1_1663606|title=Sir Timothy Colman's memories of Crossbow 40 years on|publisher=Anglia Afloat|year=2012|access-date=2015-01-03|archive-url=https://web.archive.org/web/20150104004215/http://www.angliaafloat.co.uk/heritage/waterway-history/sir_timothy_colman_s_memories_of_crossbow_40_years_on_1_1663606|archive-date=2015-01-04|url-status=dead}}

It was built by former Olympian Tim Whelpton at his boatyard in Upton near Acle.

It revised the world sailing speed record of its predecessor until 1980, finally reaching 36 knots (41 mph), a record it held until 1986.