J/28

{{Short description|Sailboat class}}

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

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

{{Infobox sailboat specifications

|name = J/28

|insignia =

|insignia size =

|insignia alt =

|insignia caption =

|line drawing =

|line size =

|line alt =

|line caption =

|image boat = File:J28 sailboat Horizon Job 7643.jpg

|image size =

|image alt =

|image caption =

|designer = Rod Johnstone

|location = United States

|year = 1986

|no built = 71

|design =

|class =

|brand =

|builder = J Boats (Tillotson Pearson)

|role =

|boats =

|crew =

|trapeze =

|draft =

|air draft =

|displacement = {{convert|7900|lb|kg|0|abbr=on}}

|hulls =

|hull type = Monohull

|construction = Fiberglass

|loa = {{convert|28.50|ft|m|abbr=on}}

|loh =

|lwl = {{convert|24.00|ft|m|abbr=on}}

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

|hull draft = {{convert|5.00|ft|m|abbr=on}}

|hull weight =

|engine = Yanmar 2GM {{convert|18|hp|kW|0|abbr=on}} diesel engine

|appendages =

|keel type = fin keel

|ballast = {{convert|3000|lb|kg|0|abbr=on}}

|rudder type = internally-mounted spade-type rudder

|rigs = Fractional rig

|rig type =

|I = {{convert|34.00|ft|m|abbr=on}}

|J = {{convert|10.50|ft|m|abbr=on}}

|P = {{convert|36.00|ft|m|abbr=on}}

|E = {{convert|13.00|ft|m|abbr=on}}

|mast length =

|rig other =

|sails =

|sailplan =

|sailarea main = {{convert|234.00|sqft|m2|abbr=on}}

|sailarea headsail = {{convert|178.50|sqft|m2|abbr=on}}

|lp =

|sailarea spin =

|sailarea gen =

|sails other =

|sailarea upwind =

|sailarea downwind =

|sailarea total = {{convert|412.50|sqft|m2|abbr=on}}

|rating =

|d-pn =

|rya-pn =

|phrf =

|status =

|previous =

|successor =

}}

The J/28 is an American sailboat designed by Rod Johnstone and first built in 1986.{{cite web|url = https://sailboatdata.com/sailboat/j28|title = J/28 sailboat specifications and details|accessdate = 8 October 2017|last= Browning| first = Randy |work = sailboatdata.com|year = 2017|archive-url= https://archive.today/20220318222411/https://sailboatdata.com/sailboat/j28|archive-date= 18 March 2022|url-status= live}}{{cite web|url =https://sailboatdata.com/designer/johnstone-rod|title = Rod Johnstone|accessdate = 8 October 2017|last= Browning| first = Randy |work = sailboatdata.com|year = 2017|archive-url= https://archive.today/20200719211245/https://sailboatdata.com/designer/johnstone-rod|archive-date= 19 July 2020|url-status= live}}{{cite web|url= https://sailboat.guide/j/j28|title= J/28|access-date= 9 March 2022|author= Sea Time Tech, LLC|work= sailboat.guide|year= 2022|archive-url= https://archive.today/20220318222327/https://sailboat.guide/j/j28|archive-date= 18 March 2022|url-status= live}}{{cite web|url= https://sailboat.guide/rod-johnstone|title= Rod Johnstone|access-date= 9 March 2022|author= Sea Time Tech, LLC|work= sailboat.guide|year= 2022|archive-url= https://archive.today/20220318222326/https://sailboat.guide/rod-johnstone|archive-date= 18 March 2022|url-status= live}}