boatbuildlog

Design

Tempest

Designed by Glen-L Marine

A 27 ft flying-bridge cabin cruiser from Glen-L Marine that gives half the boat to outdoor living: a deep self-draining cockpit, an outdoor dining lounge that converts to a berth, and still an owner's stateroom, enclosed head with shower, dinette and galley below. Deep-vee hull cold-molded in plywood strips or veneers over sawn frames, or one-off fiberglass; stern-mounted I/O or vee-drive power. Glen-L publish a beam of 9 ft 11 in and a hull depth of 6 ft 2 in.

The bare hull comes out at about 2000 lb. Displacement is 6800 lb. Headroom below is 6'-3". The hull is a full planing hard chine. Bottom has full length deep vee with 18o minimum deadrise, bulbous keel section, and lift strakes. Sides have reverse curve flaring sections forward and canted raised topsides above sheerline. For power they specify single or twin stern mounted engines driving through outdrives or vee drives. Cold molding a 27 ft deep-vee hull is many hours of strip work. Budget 2,000 to 3,500 hours. Measured medians from logged builds appear below.

What building a Tempest actually takes

Medians from the build logs kept on this site, not the designer’s estimate. Nobody has logged this boat here yet, so they are empty until the first builder does.

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Build logs
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Launched
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Median hours
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Median months

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Builds of this boat

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Boats like this one

Same type, closest in length.

Design Plans from LOA Logs
27 ft Deadrise Boat Benford Design Group 27′ 0″ (8.23 m) 0
Calypso Glen-L Marine 27′ 0″ (8.23 m) 0
Catalina Express Glen-L Marine 27′ 0″ (8.23 m) 0
Lingcod 27 Devlin 27′ 0″ (8.23 m) 0
Nordcoaster Glen-L Marine 27′ 0″ (8.23 m) 0
Phantom Glen-L Marine 27′ 0″ (8.23 m) 0