"Sea Urchin "

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Design 0329

Runabout
Design Category: "Coastal"

Principal Dimensions Imp. Metric
Length on Deck: ft/m
25.8 7.84
Designed Waterline Length:ft/m
25.2 7.66
Beam: ft/m
6.1 1.85
Draft: ft/m 2.3 0.70
Displacement: lbs/kg 4000 1818
Propulsion: Hp 170  
Cruising Speed: Knots 18  
     
Design cost: $425 for one set of building plans and the rights to build one boat.


Study plans are available. Set of 2 in same scale as drawn cost $25.

To Plan Order Form 0329


The design may not be modified or reproduced without our written permission.

Type: Single Screw, Open, Twin Cockpit.
  • Year Designed: 1926
  • Hull Type: Vee-bottom
  • Keel & Stem: Laminated & Sawn
  • Frames: Sawn & Steam Bent
  • Floors: Wood
  • Planking: Carvel, Single skin
  • Alternative Construction Methods: None

Building Data
  • Construction Material: Wood
  • Number of Plans: 4
  • Specifications: Yes
  • Lofting Required: Yes
  • Skill Level: Experienced
  • Level of Details: Above Average


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® John G. Alden, Naval Architects
89 Commercial Wharf, Boston, MA 02110
(617) 227-9480 / Fax (617) 523-5465