Seidelmann 30
{{Short description|Sailboat class}}
{{Use dmy dates|date=February 2022}}
{{Use American English|date=February 2022}}
{{Infobox sailboat specifications
|name = Seidelmann 30
|insignia =
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|designer = Bob Seidelmann
|architect =
|location = United States
|year = 1977
|no built =
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|class =
|brand =
|builder = Seidelmann Yachts
Dickerson Boatbuilders
|role = Cruiser
|boats =
|crew =
|trapeze =
|draft = {{convert|5.50|ft|m|abbr=on}}
|air draft =
|displacement = {{convert|8000|lb|kg|0|abbr=on}}
|hulls =
|hull type = monohull
|construction = fiberglass
|loa = {{convert|29.92|ft|m|abbr=on}}
|loh =
|lwl = {{convert|27.00|ft|m|abbr=on}}
|beam = {{convert|11.00|ft|m|abbr=on}}
|hull draft =
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|engine = inboard engine
|appendages =
|keel type = fin keel
|ballast = {{convert|3600|lb|kg|0|abbr=on}}
|rudder type = internally-mounted spade-type rudder
|rigs =
|rig type = Bermuda rig
|I = {{convert|41.20|ft|m|abbr=on}}
|J = {{convert|13.50|ft|m|abbr=on}}
|P = {{convert|36.00|ft|m|abbr=on}}
|E = {{convert|11.00|ft|m|abbr=on}}
|mast length =
|rig other =
|sails =
|sailplan = masthead sloop
|sailarea main = {{convert|198.00|sqft|m2|abbr=on}}
|sailarea headsail = {{convert|278.10|sqft|m2|abbr=on}}
|sailarea spin =
|sailarea gen =
|sails other =
|sailarea upwind =
|sailarea downwind =
|sailarea total = {{convert|476.10|sqft|m2|abbr=on}}
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|successor = Seidelmann 30-T
}}
The Seidelmann 30, also called the Chesapeake 30, is an American sailboat that was designed by Bob Seidelmann as a cruiser and first built in 1977.{{cite web|url= https://sailboatdata.com/sailboat/seidelmann-30|title= Seidelmann 30 sailboat|access-date= 10 February 2022|last= McArthur| first= Bruce |work= sailboatdata.com|year= 2022|archive-url= https://archive.today/20220210212232/https://sailboatdata.com/sailboat/seidelmann-30|archive-date= 10 February 2022|url-status= live}}{{cite web|url= https://sailboat.guide/seidelmann/30|title= Seidelmann 30|access-date= 10 February 2022|author= Sea Time Tech, LLC|work= sailboat.guide|year= 2022|archive-url= https://archive.today/20220210212248/https://sailboat.guide/seidelmann/30|archive-date= 10 February 2022|url-status= live}}{{cite web|url= https://sailboatdata.com/sailboat/chesapeake-30|title= Chesapeake 30 sailboat|access-date = 10 February 2022|last= McArthur| first = Bruce |work = sailboatdata.com|year = 2022|archive-url= https://archive.today/20220210212224/https://sailboatdata.com/sailboat/chesapeake-30|archive-date= 10 February 2022|url-status= live}}{{cite web|url= https://sailboat.guide/chesapeake-30|title= Chesapeake 30|access-date= 10 February 2022|author= Sea Time Tech, LLC|work= sailboat.guide|year= 2022|archive-url= https://archive.today/20220210212250/https://sailboat.guide/chesapeake-30|archive-date= 10 February 2022|url-status= live}}{{cite web|url= https://sailboatdata.com/designer/seidelmann-j-robert|title= J. Robert Seidelmann|access-date = 10 February 2022|last= McArthur| first = Bruce |work = sailboatdata.com|year = 2022|archive-url= https://archive.today/20200730191122/https://sailboatdata.com/designer/seidelmann-j-robert|archive-date= 30 July 2020|url-status= live}}{{cite web|url= https://sailboat.guide/j-robert-seidelmann|title= J. Robert Seidelmann|access-date= 10 February 2022|author= Sea Time Tech, LLC|work= sailboat.guide|year= 2022|archive-url= https://archive.today/20220210192553/https://sailboat.guide/j-robert-seidelmann|archive-date= 10 February 2022|url-status= live}}
Production
The design was built by Seidelmann Yachts and also by Dickerson Boatbuilders, both in the United States, starting in 1977, but it is now out of production.{{cite web|url = https://sailboatdata.com/builder/seidelmann-yachts|title = Seidelmann Yachts|access-date = 10 February 2022|last= McArthur| first = Bruce |work = sailboatdata.com|year = 2022|archive-url= https://archive.today/20201119005933/https://sailboatdata.com/builder/seidelmann-yachts|archive-date= 19 November 2020|url-status= live}}{{cite web|url= https://sailboat.guide/seidelmann|title= Seidelmann Yachts|access-date= 10 February 2022|author= Sea Time Tech, LLC|work= sailboat.guide|year= 2022|archive-url= https://archive.today/20220210191315/https://sailboat.guide/seidelmann|archive-date= 10 February 2022|url-status= live}}{{cite web|url= https://sailboatdata.com/builder/dickerson-boatbuilders-usa|title= Dickerson Boatbuilders (USA) 1946 - 1987|access-date= 10 February 2022|last= McArthur| first= Bruce |work= sailboatdata.com|year= 2022|archive-url= https://archive.today/20220210212239/https://sailboatdata.com/builder/dickerson-boatbuilders-usa|archive-date= 10 February 2022|url-status= live}}{{cite web|url= https://sailboat.guide/dickerson|title= Dickerson Boatbuilders|access-date= 10 February 2022|author= Sea Time Tech, LLC|work= sailboat.guide|year= 2022|archive-url= https://archive.today/20220210223935/https://sailboat.guide/dickerson|archive-date= 10 February 2022|url-status= live}}
Design
The Seidelmann 30 is a recreational keelboat, built predominantly of fiberglass, with wood trim. It has a masthead sloop rig, an internally mounted spade-type rudder and a fixed fin keel. It displaces {{convert|8000|lb|kg|0|abbr=on}} and carries {{convert|3600|lb|kg|0|abbr=on}} of ballast.
The boat has a draft of {{convert|5.50|ft|m|abbr=on}} with the standard keel.
The design has a hull speed of {{convert|6.96|kn|km/h|abbr=on}}.