Bolger Sea Bird No 525

Description

the Sea Bird, one of Bolger's early sharpie-inspired pocket cruisers from 1968, cataloged as Design No. 525 in his archives. This 19'6" plywood sailboat predates the 1986 Seabird '86 (a larger, junk-rigged evolution) and embodies Bolger's foundational philosophy of simple, shoal-draft boats for coastal day sailing or short cruises. Featured in Small Boats magazine and Bolger's catalogs, it's a narrow sharpie with a gaff sloop rig, optimized for amateur builders seeking affordability and ease in protected waters.

Custom sail calculations are not possible for this boat as no I, J, P and E dimensions are available.

Construction Details

Designer Bolger, Philip C.
Length 19.500 ft
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The standard boat dimensions

i -
j -
p -
e -
p2 -
e2 -
i2 -
j2 -

Sails

Sail Type STORMTRYSAIL
Luff 18 ft - (5486 mm)
Foot 10 ft - (3048 mm)
Leech 20.5 ft - (6248 mm)
Length Perp 8.44 ft - (2573 mm)
Tack Angle * 4.62 °
Area * 90 ft²
Sail Type LUGSAIL
Luff 14 ft - (4267 mm)
Foot 17.5 ft - (5334 mm)
Leech 22.58 ft - (6882 mm)
Tack Angle * 82.82 °
Diag (clew/throat) 21 ft - (6401 mm)
Head 15 ft - (4572 mm)
Area * 274.13 ft²

Disclaimer. Boats are not all the same -- even when produced in the same factory of the same model. Sailrite does its best to publish accurate dimensions, but we often find it worthwhile to have our customers measure their boats carefully before we produce kits for them. You should take the same precautions, especially when the data is not from Sailrite. The information on this site is not guaranteed to be accurate. Sailrite offers this content as a service to our community, but takes no responsibility for the reliability of the data provided.