Rush 31

{{Short description|Sailboat class}}

{{Use dmy dates|date=August 2022}}

{{Use American English|date=August 2022}}

{{Infobox sailboat specifications

|name = Rush 31

|insignia =

|insignia size =

|insignia alt =

|insignia caption =

|line drawing =

|line size =

|line alt =

|line caption =

|image boat = File:Jeanneau Rush a Aurigny.jpg

|image size =

|image alt =

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|designer = Ron Holland

|architect =

|location = France United States

|year = 1979

|no built = 580

|design =

|class = Half Ton class

|brand =

|builder = Jeanneau

|role = Racer

|boats =

|crew =

|trapeze =

|draft = {{convert|4.58|ft|m|abbr=on}}

|air draft =

|displacement = {{convert|6620|lb|kg|0|abbr=on}}

|hulls =

|hull type = monohull

|construction = fiberglass

|loa = {{convert|29.96|ft|m|abbr=on}}

|loh =

|lwl = {{convert|25.42|ft|m|abbr=on}}

|beam = {{convert|10.33|ft|m|abbr=on}}

|hull draft =

|hull weight =

|engine = Renault Couach diesel engine

|appendages =

|keel type = fin keel

|ballast = {{convert|2755|lb|kg|0|abbr=on}}

|rudder type = internally-mounted spade-type rudder

|rigs =

|rig type = Bermuda rig

|I = {{convert|38.00|ft|m|abbr=on}}

|J = {{convert|11.90|ft|m|abbr=on}}

|P = {{convert|32.50|ft|m|abbr=on}}

|E = {{convert|10.00|ft|m|abbr=on}}

|mast length =

|rig other =

|sails =

|sailplan = masthead sloop

|sailarea main = {{convert|162.50|sqft|m2|abbr=on}}

|sailarea headsail = {{convert|226.10|sqft|m2|abbr=on}}

|sailarea spin =

|sailarea gen =

|sails other =

|sailarea upwind =

|sailarea downwind =

|sailarea total = {{convert|338.60|sqft|m2|abbr=on}}

|rating =

|d-pn =

|rya-pn =

|phrf =

|status =

|previous =

|successor = Cal 9.2

}}

The Rush 31 is a French sailboat that was designed by Ron Holland as an International Offshore Rule Half Ton class racer and first built in 1979.{{cite web|url= https://sailboatdata.com/sailboat/rush-31-jeanneau|title= Rush 31 sailboat |access-date= 9 September 2022|last= McArthur|first= Bruce|work= sailboatdata.com|year= 2022|archive-url= https://archive.today/20220909133445/https://sailboatdata.com/sailboat/rush-31-jeanneau|archive-date= 9 September 2022|url-status= live}}{{cite web|url= https://sailboat.guide/jeanneau/rush-31|title= Rush 31|access-date= 9 September 2022|author= Sea Time Tech, LLC|work= sailboat.guide|year= 2022|archive-url= https://archive.today/20220909133312/https://sailboat.guide/jeanneau/rush-31|archive-date= 9 September 2022|url-status= live}}{{cite web|url= https://sailboatdata.com/designer/holland-ron|title= Ron Holland|access-date = 9 September 2022|last= McArthur| first = Bruce |work = sailboatdata.com|year = 2022|archive-url= https://archive.today/20211110154011/https://sailboatdata.com/designer/holland-ron|archive-date= 10 November 2021|url-status= live}}{{cite web|url= https://sailboat.guide/ron-holland|title= Ron Holland|access-date= 9 September 2022|author= Sea Time Tech, LLC|work= sailboat.guide|year= 2022|archive-url= https://archive.today/20220909133435/https://sailboat.guide/ron-holland|archive-date= 9 September 2022|url-status= live}}

The Rush 31 design was developed into a whole family of derivative racers, including the GTE, RDF, TDF, Regatta, Royal and the Rush Royale 31. It was also licensed to Cal Yachts in the United States and sold as the Cal 9.2.{{cite web|url= https://sailboatdata.com/sailboat/rush-royale-31-jeanneau|title= Rush Royale 31 sailboat |access-date= 9 September 2022|last= McArthur|first= Bruce|work= sailboatdata.com|year= 2022|archive-url= https://archive.today/20220909135915/https://sailboatdata.com/sailboat/rush-royale-31-jeanneau|archive-date= 9 September 2022|url-status= live}}{{cite web|url= https://sailboat.guide/jeanneau/rush-royale-31|title= Rush Royale 31|access-date= 9 September 2022|author= Sea Time Tech, LLC|work= sailboat.guide|year= 2022|archive-url= https://archive.today/20220909145144/https://sailboat.guide/jeanneau/rush-royale-31|archive-date= 9 September 2022|url-status= live}}