1977 Archambault Surprise Twin keel

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1977 Archambault Surprise Twin keel

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1977 Archambault Surprise Twin keel

Boat Overview

Overview

Specs
Main
General
Designer
Rig & Sails
Engine
Storage
Performance & Ratios
Detail

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Specs

Main
MakerArchambault
Maker websitehttps://en.wikipedia.org/wiki/Archambault_Boats
ModelSurprise Twin keel
First built hull1977
VersionTwin keel
Price32,700 €
Boat typeSail
CategoryRacer Boats
Hull typeMonohull
Hull materialFiberglass
General
Top speed10.04 kmh
Mast height9.81 m
Length overall7.65 m
Length at waterline6.64 m
Beam overall2.47 m
Beam hull1.25 m
Draft maximum1.58 m
Displacement1,350 kg
Ballast weight600 kg
Ballast typeCast iron
Helm1 tiller
Rudder1 spade rudder
CockpitClosed aft cockpit
Trailerable
Designer
Naval architect
Name/StudioMichel Joubert ; Bernard Nivelt
Rig & Sails
Mast32.2
SparsMast and boom in Aluminum
Standing rigging1x19 strand wire continuous
Number of spreaders1
Spreaders angleSwept-back
Upwind sail area30.47 sq.m
Downwind sail area61.5 sq.m
Engine
Engine A
Power10 HP
TypeOutboard
Storage

Performance & Ratios

Detail
Sail Area to Displacement (SA/D) 25.37
Upwind SA to Displacement25.37
Downwind SA to Displacement51.19
Hull Displacement Speed 6.26
Displacement to Length (D/L) 128.24
Ballast to Displacement (B/D) 0.44
Capsize Screening Formula (CSF) 2.25