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insideSail…

Westerly Conway · insideSail

Westerly · 1974–1978

Westerly Conway

A centre cockpit and an aft cabin accessed from the saloon. The source describes four layouts and customer modifications, so the individual boat’s interior needs identifying.

Overall length · LOA

10.9 m

Beam

3.4 m

Displacement

7,315.08 kg

Ballast

3,250.9 kg

Draught

1.83 m

Enclosed cabins

—

Engine power

—

Cockpit

Centre

Published values checked against their source; each individual boat's condition and configuration may differ.

What kind of boat is this?

A centre cockpit and an aft cabin accessed from the saloon. The source describes four layouts and customer modifications, so the individual boat’s interior needs identifying.

Editorial interpretation. Categories overlap and are not certifications.

Understand sailboat types

Dimensions

Overall length · LOA Overall length · LOA	10.9 m	View source Westerly Conway — association statistics Conway statistics table The source documents four interior layouts and user modifications. Aft cabin and internal access are explicitly described, but no common cabin count/layout version invented. Manual review of the model statistics table; raw imperial measurements retained. 0.3048 m/ft, 0.45359237 kg/lb and 4.54609 L/UKgal conversions. No prosaic assessment, price, berth-to-cabin conversion, sail-area convention or layout combination imported. Source type: Community reference Westerly Owners Association contributors, Conway statistics Evidence confidence: Low Checked against the source: 2026-10-09 Transcription checked against the named source; not an independent measurement or a guarantee of the original source's accuracy. Original published value: 35' 9" Source-linked documented reference. Source type and confidence remain visible; verify the configuration of individual boats. Documentary verification; this is not a measurement of an individual boat.

Hull length	—	Data awaiting verification

Waterline length · LWL Waterline length · LWL	9.27 m	View source Westerly Conway — association statistics Conway statistics table The source documents four interior layouts and user modifications. Aft cabin and internal access are explicitly described, but no common cabin count/layout version invented. Manual review of the model statistics table; raw imperial measurements retained. 0.3048 m/ft, 0.45359237 kg/lb and 4.54609 L/UKgal conversions. No prosaic assessment, price, berth-to-cabin conversion, sail-area convention or layout combination imported. Source type: Community reference Westerly Owners Association contributors, Conway statistics Evidence confidence: Low Checked against the source: 2026-10-09 Transcription checked against the named source; not an independent measurement or a guarantee of the original source's accuracy. Original published value: 30' 5" Source-linked documented reference. Source type and confidence remain visible; verify the configuration of individual boats. Documentary verification; this is not a measurement of an individual boat.

Beam Beam	3.4 m	View source Westerly Conway — association statistics Conway statistics table The source documents four interior layouts and user modifications. Aft cabin and internal access are explicitly described, but no common cabin count/layout version invented. Manual review of the model statistics table; raw imperial measurements retained. 0.3048 m/ft, 0.45359237 kg/lb and 4.54609 L/UKgal conversions. No prosaic assessment, price, berth-to-cabin conversion, sail-area convention or layout combination imported. Source type: Community reference Westerly Owners Association contributors, Conway statistics Evidence confidence: Low Checked against the source: 2026-10-09 Transcription checked against the named source; not an independent measurement or a guarantee of the original source's accuracy. Original published value: 11' 2" Source-linked documented reference. Source type and confidence remain visible; verify the configuration of individual boats. Documentary verification; this is not a measurement of an individual boat.

Draught Draught	1.83 m	View source Westerly Conway — association statistics Conway statistics table The source documents four interior layouts and user modifications. Aft cabin and internal access are explicitly described, but no common cabin count/layout version invented. Manual review of the model statistics table; raw imperial measurements retained. 0.3048 m/ft, 0.45359237 kg/lb and 4.54609 L/UKgal conversions. No prosaic assessment, price, berth-to-cabin conversion, sail-area convention or layout combination imported. Source type: Community reference Westerly Owners Association contributors, Conway statistics Evidence confidence: Low Checked against the source: 2026-10-09 Transcription checked against the named source; not an independent measurement or a guarantee of the original source's accuracy. Original published value: 6' 0" Source-linked documented reference. Source type and confidence remain visible; verify the configuration of individual boats. Documentary verification; this is not a measurement of an individual boat.

Displacement Displacement	7,315.08 kg	View source Westerly Conway — association statistics Conway statistics table The source documents four interior layouts and user modifications. Aft cabin and internal access are explicitly described, but no common cabin count/layout version invented. Manual review of the model statistics table; raw imperial measurements retained. 0.3048 m/ft, 0.45359237 kg/lb and 4.54609 L/UKgal conversions. No prosaic assessment, price, berth-to-cabin conversion, sail-area convention or layout combination imported. Source type: Community reference Westerly Owners Association contributors, Conway statistics Evidence confidence: Low Checked against the source: 2026-10-09 Transcription checked against the named source; not an independent measurement or a guarantee of the original source's accuracy. Original published value: 16127 Source-linked documented reference. Source type and confidence remain visible; verify the configuration of individual boats. Documentary verification; this is not a measurement of an individual boat.

Ballast Ballast	3,250.9 kg	View source Westerly Conway — association statistics Conway statistics table The source documents four interior layouts and user modifications. Aft cabin and internal access are explicitly described, but no common cabin count/layout version invented. Manual review of the model statistics table; raw imperial measurements retained. 0.3048 m/ft, 0.45359237 kg/lb and 4.54609 L/UKgal conversions. No prosaic assessment, price, berth-to-cabin conversion, sail-area convention or layout combination imported. Source type: Community reference Westerly Owners Association contributors, Conway statistics Evidence confidence: Low Checked against the source: 2026-10-09 Transcription checked against the named source; not an independent measurement or a guarantee of the original source's accuracy. Original published value: 7167 Source-linked documented reference. Source type and confidence remain visible; verify the configuration of individual boats. Documentary verification; this is not a measurement of an individual boat.

Published keel weight	—	Data awaiting verification

Hull material	—	Data awaiting verification

Sailing characteristics

Keel Keel	Fin keel	View source Westerly Conway — association statistics Conway statistics table The source documents four interior layouts and user modifications. Aft cabin and internal access are explicitly described, but no common cabin count/layout version invented. Manual review of the model statistics table; raw imperial measurements retained. 0.3048 m/ft, 0.45359237 kg/lb and 4.54609 L/UKgal conversions. No prosaic assessment, price, berth-to-cabin conversion, sail-area convention or layout combination imported. Source type: Community reference Westerly Owners Association contributors, Conway statistics Evidence confidence: Low Checked against the source: 2026-10-09 Transcription checked against the named source; not an independent measurement or a guarantee of the original source's accuracy. Source-linked documented reference. Source type and confidence remain visible; verify the configuration of individual boats. Documentary verification; this is not a measurement of an individual boat.
Rudder support Rudder support	—	Data awaiting verification
Rig Rig	—	Data awaiting verification
Steering Steering	—	Data awaiting verification
Sail area Sail area	—	Data awaiting verification

Sail plan, sail condition and actual loading affect behaviour. A single number cannot predict performance.

Comfort and behaviour at sea

The indicators below help compare proportions. Interpret them alongside hull shape, mass distribution, loading, condition and sailing conditions.

Ballast / displacement Ballast / displacement	44.44 %	Calculation & limits 100 × ballast_kg / displacement_kg conventional-monohull-v1 A conventional indicator calculated from this configuration's published data. It is neither a safety certification nor a prediction of an individual boat's condition. Input sources are shown with the corresponding specifications.
SA/D SA/D	—	Insufficient compatible data
D/L D/L	255.84	Calculation & limits (displacement_lb / 2240) / (0.01 × LWL_ft)³ conventional-monohull-v1 A conventional indicator calculated from this configuration's published data. It is neither a safety certification nor a prediction of an individual boat's condition. Input sources are shown with the corresponding specifications.
Comfort Ratio Comfort Ratio	31.07	Calculation & limits displacement_lb / [0.65 × (0.7 × LWL_ft + 0.3 × LOA_ft) × beam_ft^1.333] conventional-monohull-v1 Compare boats of similar size and type. Underwater hull shape, mass distribution and actual wave response are not represented. Input sources are shown with the corresponding specifications.
Capsize Screening Formula Capsize Screening Formula	1.77	Calculation & limits beam_ft / (displacement_lb / 64)^(1/3) conventional-monohull-v1 A conventional indicator calculated from this configuration's published data. It is neither a safety certification nor a prediction of an individual boat's condition. Input sources are shown with the corresponding specifications.
Theoretical hull speed Theoretical hull speed	7.39 kn	Calculation & limits 1.34 × √LWL_ft conventional-monohull-v1 Conventional approximation for displacement hulls, not a rigid limit or a guaranteed cruising speed. Input sources are shown with the corresponding specifications.
Power per tonne Power per tonne	—	Insufficient compatible data

These calculations are not safety certificates. STIX and AVS require specific documentation; they are not estimated from these ratios.

Propulsion

Engine power Engine power	—	Data awaiting verification
Transmission Transmission	—	Data awaiting verification
Fuel Fuel	—	Data awaiting verification
Water	—	Data awaiting verification

The original engine may have been replaced. Power, propeller, transmission and conditions together determine real use; consumption and range are not inferred from power alone.

Interior & layout

Cockpit Cockpit	Centre	View source Westerly Conway — association statistics Conway statistics table The source documents four interior layouts and user modifications. Aft cabin and internal access are explicitly described, but no common cabin count/layout version invented. Manual review of the model statistics table; raw imperial measurements retained. 0.3048 m/ft, 0.45359237 kg/lb and 4.54609 L/UKgal conversions. No prosaic assessment, price, berth-to-cabin conversion, sail-area convention or layout combination imported. Source type: Community reference Westerly Owners Association contributors, Conway statistics Evidence confidence: Low Checked against the source: 2026-10-09 Transcription checked against the named source; not an independent measurement or a guarantee of the original source's accuracy. Source-linked documented reference. Source type and confidence remain visible; verify the configuration of individual boats. Documentary verification; this is not a measurement of an individual boat.
Enclosed cabins Enclosed cabins	—	Data awaiting verification
Heads Heads	2	View source Westerly Conway — association statistics Conway statistics table The source documents four interior layouts and user modifications. Aft cabin and internal access are explicitly described, but no common cabin count/layout version invented. Manual review of the model statistics table; raw imperial measurements retained. 0.3048 m/ft, 0.45359237 kg/lb and 4.54609 L/UKgal conversions. No prosaic assessment, price, berth-to-cabin conversion, sail-area convention or layout combination imported. Source type: Community reference Westerly Owners Association contributors, Conway statistics Evidence confidence: Low Checked against the source: 2026-10-09 Transcription checked against the named source; not an independent measurement or a guarantee of the original source's accuracy. Source-linked documented reference. Source type and confidence remain visible; verify the configuration of individual boats. Documentary verification; this is not a measurement of an individual boat.
Aft cabin Aft cabin	Yes	View source Westerly Conway — association statistics Conway introduction: aft-cabin access from the main saloon; four interior layouts described The source documents four interior layouts and user modifications. Aft cabin and internal access are explicitly described, but no common cabin count/layout version invented. Manual review of the model statistics table; raw imperial measurements retained. 0.3048 m/ft, 0.45359237 kg/lb and 4.54609 L/UKgal conversions. No prosaic assessment, price, berth-to-cabin conversion, sail-area convention or layout combination imported. Source type: Community reference Westerly Owners Association contributors, Conway statistics Evidence confidence: Low Checked against the source: 2026-10-09 Transcription checked against the named source; not an independent measurement or a guarantee of the original source's accuracy. Source-linked documented reference. Source type and confidence remain visible; verify the configuration of individual boats. Documentary verification; this is not a measurement of an individual boat.
Internal walkthrough Internal walkthrough	Yes	View source Westerly Conway — association statistics Conway introduction: aft-cabin access from the main saloon; four interior layouts described The source documents four interior layouts and user modifications. Aft cabin and internal access are explicitly described, but no common cabin count/layout version invented. Manual review of the model statistics table; raw imperial measurements retained. 0.3048 m/ft, 0.45359237 kg/lb and 4.54609 L/UKgal conversions. No prosaic assessment, price, berth-to-cabin conversion, sail-area convention or layout combination imported. Source type: Community reference Westerly Owners Association contributors, Conway statistics Evidence confidence: Low Checked against the source: 2026-10-09 Transcription checked against the named source; not an independent measurement or a guarantee of the original source's accuracy. Source-linked documented reference. Source type and confidence remain visible; verify the configuration of individual boats. Documentary verification; this is not a measurement of an individual boat.
Aft double berth Aft double berth	—	Data awaiting verification
Galley shape	—	Data awaiting verification
Galley level	—	Data awaiting verification
Headroom Headroom	—	Data awaiting verification

Enclosed cabins and saloon berths are different information. An internal aft walkthrough needs confirmation in the individual boat’s layout.

Westerly Conway

What kind of boat is this?

Dimensions

Sailing characteristics

Comfort and behaviour at sea

Propulsion

Interior & layout

Known issues

Market

Owners in the community

Experiences & questions

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