1977 Archambault Surprise Twin keel

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1977 Archambault Surprise Twin keel

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Boat Overview

Type
Sail
Maker
Archambault
Hull type
Monohull
Hull Material
Fiberglass
Category
Racer Boats
Boat length (LOA)
7.65 m
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Overview

Performance & Ratios

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Specs

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Main

Name	Value
Maker	Archambault
Maker website	https://en.wikipedia.org/wiki/Archambault_Boats
Model	Surprise Twin keel
First built hull	1977
Version	Twin keel
Price	32,700 €
Boat type	Sail
Category	Racer Boats
Hull type	Monohull
Hull material	Monohull

General

Name	Value
Top speed	10.04 kmh
Mast height	9.81 m
Length overall	7.65 m
Length at waterline	6.64 m
Beam overall	2.47 m
Headroom	1.25 m
Draft maximum	1.58 m
Displacement	1,349.89 kg
Ballast weight	600.1 kg
Ballast type	Cast iron
Helm	1 tiller
Rudder	1 spade rudder
Cockpit	Closed aft cockpit
Trailerable

Designer

Name	Value
Naval architect
Name/Studio	Michel Joubert ; Bernard Nivelt

Rig & Sails

Name	Value
Mast	32.2
Spars	Mast and boom in Aluminum
Standing rigging	1x19 strand wire continuous
Number of spreaders	1
Spreaders angle	Swept-back
Upwind sail area	30.47 sq.m
Downwind sail area	61.5 sq.m
Mainsail A	178.00
Spinnaker A	484.00

Engine

Name	Value
Engine A
Power	10 HP
Type	Outboard Engine
Engine B

Storage

Name	Value
No data

Performance & Ratios

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Detail

Name	Value
Sail Area to Displacement (SA/D)	0.06
Upwind SA to Displacement	25.37
Downwind SA to Displacement	51.21
Hull Displacement Speed	0.06
Displacement to Length (D/L)	6.26
Ballast to Displacement (B/D)	0.44
Capsize Screening Formula (CSF)	2.25