UNIDENTIFIED: H-28 cruising ketch or sloop, Design #80 and #82

plans set

48 sheets of plans for 28 ft. H-28 cruising ketch or sloop, UNIDENTIFIED, design #80 and #82 by L. Francis Herreshoff. Dates on plans range from 11-1942 to 1943. 14 sheets are duplicates. Numerous sister ships were built, including the first H-28 built, HEIRESS and GLENEIDA II. Plans available for Catalog # 38.4:
H - 28
L. Francis Herreshoff design # 80
The sail plan for the H-28 ketch was also used for Herreshoff design # 82, (catalog # 38.93).
A sloop rigged version was also available. (Missing sheet #s represent duplicates.)
Sheet# Description
.3 Mast - Rigging list & Backstay attachment for sloop rigged H-28. Scale varies as shown.
.4 Attachments of the forestay jib halyard, spinnaker halyard, upper shrouds & the masthead and span stay struts for sloop rigged H-28 & design # 82.
Scale full size, no date.
.34 Mast fittings, spreaders, rudder hangings & forestay attachment for H-28. Scale full size,
no date
.35 Booms and goosenecks – Scale full size and 1”= 1’, no date
Poor contrast – may be difficult to read
.41 Offsets, rigging & block list - no date
Two small sheets which are attached together.
.44 Lines - Scale 1”=1’, dated Dec 1942
.45 Construction plan & sections - Scale 1”=1’, dated 1943
.46 Outboard profile, sail & rigging plan - Scale 1/2”=1’, dated Nov 1942
.48 Cabin plan & section - Scale 1”=1’, no date
.49 Main & mizzen masts details - Scale varies as shown, no date
.50 Main & mizzen heads details & lists of equipment - Scale full size, no date
.51 Stem construction detail & running backstay, equipment list & details - Scale 1 ½” = 1’,
no date. Two small sheets of plans which are attached together.
.52 Running backstay attachments & list of cleats, & cleat diagram - Scale not given, no date.
Two small plans attached together.


Reproduction, publication, exhibition, or use of plans for commercial construction is strictly prohibited without first executing a license agreement. Permission to reproduce and/or distribute any prints from the Daniel S. Gregory Ships Plans Collection is prohibited without prior written permission from the Rights & Reproductions division at Mystic Seaport, at collections@mysticseaport.org.

Mystic Seaport, Daniel S. Gregory Ships Plans Library, L. Francis Herreshoff Collection