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Home / Classes / 420
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420

490467 200x200f 487579 200x200f

Design

Name
420
Designer
Christian Maury
Designed / First built
1959

The International 420 Class Dinghy is a double-handed (2 crew) monohull planing dinghy with centreboard, bermuda rig and centre sheeting. The name describes the overall length of the boat in centimetres (the boat is exactly 4.2 metres long). The hull is fibreglass with internal buoyancy tanks. The 420 is equipped with spinnaker and optional trapeze, making teamwork necessary to sail it well. It has a large sail-area-to-weight ratio, and is designed to plane easily. It can be rigged to be sailed single-handed. The 420 was designed specifically to be easier to handle than its larger higher-performance cousin, the 470. Both were designed by French engineer Christian Maury, the 420 as a stepping-stone for club and youth sailing to the 470. The 420 is an International class recognized by the International Sailing Federation. A derivative of the 420 called the Club 420 is popular in the North America. This class is not recognised by International Sailing Federation or the International 420 Class Association and cannot be used at class events. The boats are very similar in appearance but the Club 420 is slightly stronger, heavier and less refined.

Build / Config

Rig type
Bermuda
Vessel type
Monohull
Keel config
Centreboard
Construction
GRP

Rating / Handicap

Portsmouth
1105
P-DN
86.3
Number of crew
2 (typical)

Dimensions

Length (overall)
4.2m
Beam
1.65m
Draught
0.965m
Mast
6.26m
Displacement
80.0 kg

Sails

Sail area (total)
10 m2
Main sail area
10.25 m2
Spinnaker area
9.02 m2
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