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boatbuildlog

Design

Sentinel Explorer 18

Designed by Dudley Dix

An 18 ft 1 in (5.5 m) classic open sailing dinghy by Dudley Dix, listed on his site as the Explorer 18. It has long been a fiberglass production boat from Sentinel Boats in South Africa, and plans now cover a lapstrake plywood version joined with glass-taped epoxy fillets. It carries a 144 sq ft gunter rig with a foot batten in place of a boom, a steel centreplate, an outboard of up to 10 hp stowed on its side in a well, and enough buoyancy to be unsinkable. A boom tent makes it a camp cruiser.

The plywood version was simplified for amateur building, with full size bulkhead patterns included and panel patterns optional. Budget 500 to 900 hours. Real hours from logged builds are below.

What building a Sentinel Explorer 18 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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Builds of this boat

Nobody has logged a Sentinel Explorer 18 here yet.

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Same type, closest in length.

Design Plans from LOA Logs
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18 ft Cat Ketch Benford Design Group 18′ 0″ (5.49 m) 0
Lit'l Coot 18 Bilge Keel Devlin 18′ 0″ (5.49 m) 0
Sport Boat 18 Bateau 18′ 0″ (5.49 m) 0
Hornolo Yannick Maignien 18′ 1″ (5.5 m) 1
PUCK 550 BCA Demco 5.5 m (18′ 1″) 0