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Old 14-03-2010, 11:13   #1
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O'Day 40 Balsa Core

Do the later O'Day 40s have a balsa cored hull as well as deck ? Does anybody know from which year model this was adopted ?
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Old 14-03-2010, 11:56   #2
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Yes, they ALL do.

The hull of the O'Day 40 (1985 - ‘89) is a cored composite using -inch end-grain balsa, polyester resin and biaxial fibreglass cloth. Decks are also composite constructed with balsa and plywood core, and structural support is provided by a combination of fibreglass liners, plywood bulkheads and various longitudinal and athwartships supports. Hull and deck connection is lapped, sealed and bolted and then sealed /w fibreglass from the inside.

Generally the quality of construction, fit and finish is typical of entry-level (price point) boats of the 1980s.

The 40 was based on the O'DAY 39/SUNFIZZ 39 by Briand, with modifications by Ray Hunt.
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