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Colvic 23  - Seakeeper Variant

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Boat REF# 156331
Sold / Unavailable
LOA 6.90m (22'8")
Year 1979
Construction GRP
Underwater profile Bilge keels
Berths 4
Engine 1 x Diesel 35hp, Leyland Thornycroft 90 1.5 (unknown year)
Lying West coast of Scotland


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Extra Details

Designer Colvic
Builder Colvic Craft
Lying West coast of Scotland
Fuel capacity 227.2 ltr (50.0 G) Total - 2 Tanks
Water capacity 113.6 ltr (25.0 G) Total - 1 Tanks
Last survey 02/05/2005


Engine 1 x Diesel 35hp
Engine make and model Leyland Thornycroft 90 1.5 (unknown year)
Engine Hours Not Recorded
Engine Cooled Indirect
Steering Wheel
Drive Shaft
Prop(s) 3 blade bronze (17x9)
Fuel consumption (approx) 2.0 ltr (0.4 G) /hour At Cruising Speed
Cruising speed (approx) 5.5 knots
Max speed (approx) 7.5 knots

Engine tested and running sweetly - June 2013

Electrics last checked in 2010.

Engine start battery (115Ah) bought in 2005, tested ok 2013.

New exhaust pipe and overheat alarm fitted in 2005.
New propeller (17x9), new prop-shaft (40" 1.25"), new cutlas bearing and gland packing completed in May 2006 - all never been in the water.


LOA 6.90m (22'8")
LWL 6.40m (21'0")
Beam 2.40m (7'10")
Draft Max 1.07m (3'6")
Airdraft 9.00m (29'6")
Displacement 3,000kg (6,615.0lbs)
Headroom 1.90m (6'3")
Storage Ashore


10% discount on rigging

Sloop rigged Aluminium spars (unknown year) with stainless steel standing rigging (unknown year)


Discounts available from our Preferred Partners
Mainsail - Roller boom (unknown year)
Headsail - Furling (unknown year)

Main and Jib sails have been stored dry since 2001 and are serviceable with no tears. Some various halyards and running rigging renewed in 2005 but have never been used. New backstay also from 2005 but has never been used/fitted. The backstay requires an optional split-spreader completion in order to accommodate the newer (larger) cockpit cover. The rest of standing rigging is in very good condition and looks of similar vintage. All equipment exists for manual raising and lowering of the mast.

Electrical Systems

12 volt, 2 batteries charged by: engine


Discounts available from our Preferred Partners
Construction GRP
Underwater profile Bilge keels
Finish Gelcoat finish

This boat has been laid-up since 2002.
Hull configuration is long keel with bilge plates.
Last anti-fouled in 2010.
New canopy fitted March 2006.
Mast base / cabin roof has had new strengthening timbers.
Some minor cosmetic work is required to external woodwork.
All issues raised in last survey report (May 2005) have been attended to.


Total # of berths 4
No. of double berths 1
No. of single berths 2
Cabin(s) 2
Heads 1 heads (Sea Toilet)
Cooker tick
Grill tick
Oven tick
Sink tick
Curtains tick
Manual water system tick
Pressurised water system tick

A well designed motor sailer with sleeping space for 3 or 4 people and a cosy cockpit with pretty much all you need for a weekend away. Some internal modernisation would be required for today's well-heeled sailor.

Heads stripped and reassembled in 2005.
Kenwood stereo cassette player.
Twin gas bottles in cockpit locker.

0 burner gas cooker

Nav Equipment

Compass tick
Speed tick
Log tick
VHF tick
GPS tick
Clock tick
Navigation lights tick
Echo sounder tick

Echosounder - Seafarer 701
GPS - Garmin GPSMap 182
VHF - NASA Stingray 5600

Deck Gear

Sprayhood tick
Cockpit cover tick
Warps tick
Fenders tick
Boathook tick

1 halyard winches
2 sheet winches
Manual windlass
2 anchors
(Bruce & Fisherman)
35.00m (114'10") of chain
This Colvic is a very strong boat with a classic design that was taken from a Scottish fishing boat and moulded by Colvic. She is a long keel yacht with bilge plates so she is able to dry out in harbours or on sandy beaches. There are substantial single bow and twin stern Samson posts and two anchors are included.

Safety Equipment

10% Discount on courses
Horn tick
Boarding ladder tick

2 bilge pumps (1 manual / 1 Electric)

3 fire extinguishers present.
Fire blanket.
Handheld horn.
Rope ladder.

Broker's Comments

This boat has not been used for a number of years and is in need of some cosmetic work. She was laid up for three years prior to current owner purchasing in 2005 and then transported to Scotland.

The 2005 survey report items have been attended to, however due to current owner illness she has been kept laid-up since then.

Engine tested ok - June 2013.

She is a classic motor-sailer which is ideal for a light refurbishment project that will deliver a stong reliable weekend cruiser.

Mooring available by separate negotiation.
Dinghy and Outboard (Johnson 6 or Johnson 15) available by separate negotiation.

This Colvic 23 - Seakeeper Variant has been personally photographed and viewed by Derek Armstrong of Boatshed Scotland. Click here for contact details.
The particulars herein are intended to give a fair description of the vessel but are not guaranteed as accurate. They shall not form part of any offer or contract for the sale of the vessel. The prospective purchaser is recommended to independently check the particulars. The vendor is not selling in the course of a business unless otherwise stated. Personal property is excluded from the sale of the vessel unless specifically included in the listing specifications above or in a Purchase Contract. Personal property may be equipment or gear not permanently attached to the vessel including but not limited to: artwork, entertainment equipment, fishing equipment, TV receivers, recreational equipment, kayaks, tools, and personal appliances. Photos that may incidentally depict owners' personal property do not convey that such items are included in the sale of the vessel unless specifically listed herein.

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