Prindle 18

{{short description|Sailboat class}}

{{Use dmy dates|date=October 2020}}

{{Use American English|date=October 2020}}

{{Infobox sailboat specifications

|name = Prindle 18

|insignia = Prindle 18 sail badge.png

|insignia size = 76px

|insignia alt =

|insignia caption =

|line drawing =

|line size =

|line alt =

|line caption =

|image boat =

|image size =

|image alt =

|image caption =

|designer = Geoffrey Prindle

|architect =

|location = United States

|year = 1977

|no built = 2,300

|design =

|class =

|brand =

|builder = Surfglas
Prindle Catamarans
Lear Siegler Inc.

|role = Racer

|boats =

|crew = two

|trapeze =

|draft = {{convert|7|in|cm|abbr=on}}

|air draft =

|displacement = {{convert|335|lb|kg|0|abbr=on}}

|hulls =

|hull type = Catamaran

|construction = Fiberglass

|loa = {{convert|18.00|ft|m|abbr=on}}

|loh =

|lwl = {{convert|17.00|ft|m|abbr=on}}

|beam = {{convert|7.92|ft|m|abbr=on}}

|hull draft =

|hull weight =

|engine =

|appendages =

|keel type = none

|ballast =

|rudder type = transom-mounted rudders

|rigs =

|rig type = Bermuda rig

|I =

|J =

|P =

|E =

|mast length =

|rig other =

|sails =

|sailplan = Fractional rigged sloop

|sailarea main = {{convert|170|sqft|m2|abbr=on}}

|sailarea headsail = {{convert|48|sqft|m2|abbr=on}}

|sailarea spin =

|sailarea gen =

|sails other =

|sailarea upwind =

|sailarea downwind =

|sailarea total = {{convert|218|sqft|m2|abbr=on}}

|rating =

|d-pn = 74.5

|rya-pn =

|phrf =

|status =

|previous =

|successor = Prindle 18-2

}}

The Prindle 18 is an American catamaran sailing dinghy that was designed by Geoffrey Prindle as a racer and first built in 1977.{{cite web|url= https://sailboatdata.com/sailboat/prindle-18|title= Prindle 18 sailboat |access-date= 16 October 2020|last= McArthur| first= Bruce |work= sailboatdata.com|year= 2020|archive-url= https://archive.today/20201016152515/https://sailboatdata.com/sailboat/prindle-18|archive-date= 16 October 2020 |url-status= live}}{{cite web|url= https://sailboatdata.com/designer/prindle-geoffrey|title= Geoffrey Prindle|access-date= 16 October 2020|last= McArthur| first= Bruce |work= sailboatdata.com|year= 2020|archive-url= https://archive.today/20201016152624/https://sailboatdata.com/designer/prindle-geoffrey|archive-date= 16 October 2020 |url-status= live}}Sherwood, Richard M.: A Field Guide to Sailboats of North America, Second Edition, pages 94-95. Houghton Mifflin Company, 1994. {{ISBN|0-395-65239-1}}

Geoffrey Prindle had started out as a surfboard manufacturer but was also successful racing Hobie 14 catamarans and started his own line of boats, starting with the Prindle 16.