BoatsChassiron RF

Chassiron RF

Masthead Sloop · Long Keel · First built 1979

A 10.55-metre masthead sloop featuring a long keel and a balanced 36% ballast ratio for stable offshore cruising

Designed by Michel Joubert & Joubert-Nivelt, built by E. Richard.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Long Keel

Is it for you?

Character

Where this design lands on the numbers a shopper trusts — read straight from her own ratios.

LivelySea-kindly

Her moderate displacement on a moderate beam gives 26 — a moderate, middle-of-the-road motion.

Comfort ratio 26
CoastalBluewater

1.94 — just under the 2.0 offshore line; her beam is modest for her weight.

Capsize screening 1.94
LightHeavy

273 — moderately heavy for her waterline, a balanced cruising weight.

Displacement / length 273
EasygoingPowered-up

18.7 — plenty of sail for her weight; lively and quick to respond.

Sail area / displacement 18.7
TenderStiff

36% of her weight is ballast — moderately stiff, a middle-of-the-road stability.

Ballast 36%

Powered-up and quick to accelerate — this one likes to sail.

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions
Weights
Ballast / displacement
36.4%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
18.7
Displacement / length
272.9
Comfort ratio
25.7
Capsize screening
1.94
Hull speed
7.0 kn
Pounds / inch immersion
1078
Hull
Hull type
Long Keel
Construction
Fiberglass
Production
Years built
First built 1979
Designer
Michel Joubert, Joubert-Nivelt
Builder
E. Richard

Boats like this, on the water

Nobody has filmed this one — but these are close.

Comparable boats the fleet has on camera: same type, within a quarter of her length. Open the boat, or watch the video — a timestamp means she only appears in passing.

Hallberg-Rassy Rasmus 3510.52 mSame hull familyNear-identical lengthA long-keeled cruiser that transitioned from mahogany to GRP construction, offering a stable platform for blue-water sailing
Vancouver 34 Pilot10.44 mSame hull familyNear-identical lengthA Robert B. Harris-designed cutter featuring a deck saloon for protected cruising on a stable, long-keeled hull
Wright Princess 3610.97 mSame hull family0.4 m longerA long-keeled masthead ketch available as a cutter, offering a stable 1.37-meter draft for versatile cruising
Bayfield 3610.97 mSame hull family0.4 m longerA Haydn Gozzard-designed cutter with a long keel, built for steady, comfortable passage-making.
Henry R. Hinckley Pilot 3510.90 mSame hull family0.4 m longerA Sparkman & Stephens fiberglass classic designed for Hinckley, featuring a long keel and available as a sloop or yawl
Cape Dory 3611.01 mSame hull family0.5 m longerProduced from 1978 to 1990, this long-keeled cutter was later marketed as the Robinhood 36

The family

Related models

The designs closest to hers — usually the rest of the builder's range, sometimes the same hull sold under another name.

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