"Great Circle"

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Design 0550

Ketch, Full Keel
Design Category: "Offshore"

Principal Dimensions Imp. Metric
Length on Deck: ft/m
33.7 10.24
Designed Waterline Length:ft/m
29.7 9.03
Beam: ft/m
10.3 3.13
Draft: ft/m 4.5 1.37
Displacement: lbs/kg 21000 9545
Ballast: lbs/kg 7300 3318
Inside Ballast: lbs/kg 2000 909
Sail Area: ft^2/m^2. 659 61.2
     
Design cost: $425 for one set of building plans, specifications and the rights to build one boat.


Study plans are available. Set of 3 in same scale as drawn cost $50.

To Plan Order Form 0550


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



Type: Full Keel Marconi Rigged Ketch
  • Year Designed: 1932
  • Hull Type: Round Bottom
  • Back Bone: Sawn
  • Floors: Wood & Metal
  • Frames: Steam bent
  • Skin: Carvel Single Planked
  • Ballast Keel: Lead Casting
  • Spars: Solid Spruce or Oregon Pine

Building Data
  • Construction Material: Wood
  • Number of Plans: 6
  • Specifications: Yes
  • Block List: Yes
  • Lofting Required: Yes
  • Skill Level: Experienced
  • Level of Details: Average
  • Alternative Construction Methods: None


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Hart Nautical Collection, MIT Museum
265 Massachusetts Avenue
Cambridge, MA 02139, USA
(617) 253-5942 | museum-reference@mit.edu