helmsman sailboat

Helmsman 47

The helmsman 47 is a 47.0ft fractional sloop built in fiberglass by helmsman yachts since 1981..

The Helmsman 47 is a light sailboat which is a reasonably good performer. It is very stable / stiff and has an excellent righting capability if capsized. It is best suited as a bluewater cruising boat.

Helmsman 47 for sale elsewhere on the web:

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• Sailboat Guide

Helmsman 31

Helmsman 31 is a 30 ′ 6 ″ / 9.3 m monohull sailboat designed by Håkan Södergren and built by Helmsman Yachts starting in 1973.

Rig and Sails

Auxilary power, accomodations, calculations.

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

SA/D = SA ÷ (D ÷ 64) 2/3

• SA : Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
• D : Displacement in pounds.

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Ballast / Displacement * 100

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

• D: Displacement of the boat in pounds.
• LWL: Waterline length in feet

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 )

• D: Displacement of the boat in pounds
• LOA: Length overall in feet
• Beam: Width of boat at the widest point in feet

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

CSV = Beam ÷ ³√(D / 64)

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• Available For Sale
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• About Helmsman Trawlers
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• Trawler Talk

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The Helmsman Trawlers 31 Sedan is an exciting update on a proven design. The original Camano 31, upon which this model is based and with over 270 built, is well-known for many reasons including an outstanding hull design with great sea-keeping characteristics and economy through a range of cruising speeds. Helmsman Trawlers has updated the lines, completely redesigned the interior, and created a true pocket trawler yacht at a remarkable price.

Distinctive features include a luxurious master suite with a roomy head and a separate shower compartment, a large galley with abundant storage, fine interior craftsmanship with fit and finish that rivals larger and much more expensive yachts, excellent interior light and visibility, and a large bridge deck with flybridge.

All Helmsman Trawlers are designed for long-range, comfortable passage-making. They feature sturdy construction, reliable mechanical and electrical systems, quality components and materials, and stable, efficient hull designs. Beautiful nautical interiors are expertly crafted. Helmsman Trawlers are built to exceptional standards and our quality is superb – examine and compare!

SPECIFICATIONS / OPTIONS

The Helmsman Trawlers 31 Sedan - Model update to be announced soon. Price is for the base model, delivered in Seattle, including all U.S. duties. Canadians and other non-U.S. residents should contact us for pricing on non-U.S. deliveries.

LOA 31' | LOD 28' | BEAM 10' 6" | DRAFT 3'

FUEL 150 GAL | WATER 100 GAL | WASTE 30 GAL

11,500 LBS DRY WT

Equipment and Features Included in Base Price

• Lewmar V3 windlass with drum capstan and deck-mounted foot controls
• Windlass remote control at lower and upper helms
• Self-launching anchor roller
• 15 kg Bruce-type stainless steel anchor and anchor rode
• Anchor chain and storage locker at bow
• FRP swim platform
• Swim ladder
• Transom door
• Flybridge control center with stainless steel wheel
• Three pedestal helm seats on flybridge
• FRP radar arch with hinge
• Raw water washdown at bow
• Lazarette storage compartment
• Hinged deck hatches with gas stays
• Three pantographic windshield wipers
• Dual-trumpet horn
• Navigation lights
• Hyundai Seasall S270 V-6 electronically-controlled common-rail diesel engine
• Sea Star hydraulic steering system
• Bow thruster
• Dripless-type shaft seal
• Three Rule electric bilge pumps with auto/manual control
• Magnum MS-2000 inverter/charger with remote control
• AGM batteries (two 215 A-hr for house, one 180 A-hr for start)
• Galvanic isolator
• Blue Sea Systems AC/DC panel
• Blue Sea Systems Automatic Charge Relay
• GFCI protection
• Bonding systems with zinc anodes
• Lower control station with teak wheel and fixed helm seat and companion seat
• Interior wood blinds
• LED interior lighting;
• LED engineroom lighting
• LED reading lights
• Opening center windshield window
• Opening side windows (2) with screens
• Opening aft window with screen
• Opening port lights (4) with screens; opening porthole with screen
• Opening overhead hatch (24”) in stateroom with Oceanair screen/blind

DOMESTIC SYSTEMS

• Webasto AirTop cabin heating (or credit toward Webasto reverse-cycle heat/air)
• Marco variable flow potable water pump
• Six gallon electrical hot water heater with engine heating
• Cockpit shower (hot and cold)
• Nova Kool refrigerator/freezer (7 cu. ft.)
• Force 10 propane 3 burner range – electric range or cooktop may be substituted
• Corian galley countertop
• Overhead drop-down storage cabinets in galley
• Overhead drop-down TV cabinet (optional)
• Dometic Masterflush head
• Macerator waste pump with thru-hull

MISCELLANEOUS

• Lines, fenders, shore power cable, and USCG-required safety equipment included
• Delivery and commissioning in Seattle – delivery cost for other locations may vary

OPTIONS AVAILABLE

A wide range of options and customizations including: generator and battery packages; exterior gelcoat colors, interior upholstery and countertop selections, custom cabinetry, galley equipment and configurations, and more.