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Yachtsnet's archive of boat details and pictures

The following information and photographs are displayed as a service to anyone researching yacht types. HOWEVER THE PHOTOGRAPHS AND TEXT ARE COVERED BY COPYRIGHT, AND MAY NOT BE REPRODUCED WITHOUT THE PERMISSION OF YACHTSNET LTD. Details and photographs are normally based on one specific yacht, but could be a compilation. No reliance should be placed on other yachts of the same class being identical.  Where common variations exist, we have endeavoured to indicate this in these archive details. 

Cornish Crabber Trader 30

Brief details


Cornish Crabbers, Rock, Cornwall

The 'Cornish Trader' was one of the first larger boats from Cornish Crabbers. It uses the same basic 30 foot hull as the more common 'Pilot Cutter', but with slightly raised decks and bulwarks, and gaff ketch rig instead of gaff cutter, looks quite different. It also has significantly more interior space, headroom and stowage then the 'Pilot Cutter' versions.


40' 9" inc bowsprit extended

Sail area

547 sq. ft.


30' 0"


Gaff cutter rigged ketch


25' 9"


1 plus saloon


9' 6"




3' 6" to 5' 3" with centreplate down


6 tons approx


Yanmar 2QM20 diesel


2.3 tons plus centreplate



Keel type

Long keel with internal ballast and L-shaped galvanised steel centreplate


The first Cornish Crabber was the plywood Crabber 22, designed by Roger Dongray in the early 1970s, built by a company specialising in sailing dinghies called Westerly Boats at Rock in Cornwall - nothing whatsoever to do with the larger Westerly Marine building larger boats in Hampshire. The design proved popular, and the company soon changed it's name to Cornish Crabbers, and expanded the range with both smaller and larger boats, as well as changing from plywood to GRP hull construction. Almost all the boats built by Cornish Crabbers were designed by Roger Dongray.

The Cornish Trader was the largest of the range, and was introduced in 1978/79. The hull is heavily laid up in solid GRP with isopthalic gelcoats (clear gelcoat below the waterline) and with a balsa sandwich GRP deck. There are two steel T-frames internally spreading the load from the main mast tabernacle to the hull. Approximately 2.3 tons of steel ballast is encapsulated in resin around the forward keel and centreplate area. The galvanised steel centreplate is raised and lowered with a 20:1 drum winch operated from the cockpit.


The coachroof is in iroko and marine ply with laminated iroko deck beams. Both masts are varnished spruce, in galvanised steel tabernacles for lowering. She has a substantial timber bowsprit which retracts almost fully onto the foredeck.

The same hull was later used for the Pilot Cutter 30 introduced in 1985. Although the Trader and the Pilot Cutter versions share the same underwater hull, the Trader has a raised deckline with higher bulwarks, is gaff cutter ketch rigged instead of single masted cutter, and has wheel steering instead of a tiller. As a result the two designs look very different. The interior of the Trader is also substantially more spacious then the Cutter, with more headroom, and a lot more stowage.

Moored port - Cornish Trader for sale

Yachts seen here are no longer for sale - the data is online as a free information service for buyers researching boat types. THE PHOTOGRAPHS ARE COVERED BY COPYRIGHT, AND MAY NOT BE REPRODUCED WITHOUT THE PERMISSION OF YACHTSNET LTD.

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Cornish Crabber Trader 30 for sale
Ashore Nov 2020
Owners photo
Saloon forward

Originally this boat was designed to have a Taylors paraffin cabin heater fitted into the main bulkhead
but this has now been removed and an Eberspacher blown hot air diesel heater installed,
with an outlet below where the original heater would have been.


Forecabin berths are 6' 3" long on the vee, with an infill to make a double berth


Above and right:

The heads compartment is the full width of the boat, with WC to port and a basin opposite to starboard. Hot water on this yacht illustrated is from an on-demand gas heater. There are sliding doors each side of the heads, separating it from saloon and forecabin.

Heads basin


The port saloon settee pulls out to create a double berth , with the inner part 6' 3" long into a trotter box, but the outer part 5' 9" long. The starboard settee is 6' 3" long, again into a trotter box.

Saloon headroom was quoted by the builders as 6' 2", but this is between the deck beams in places.

Saloon double berth

The saloon table folds away against the bulkhead separating the settee areas and galley
- when lowered there is also an extension (not shown) that opens it out to a full sized table.

Saloon aft
Galley detail

There is a removable chart table over the head of the quarter berth. The quarter berth is very long - 8' 2"






The engine is installed under the cockpit sole

Chart table area


Cornish Crabber Trader 30 for sale
Deck aft

The mainsheet horse and mizzen mast divides the cockpit into two separate areas, each with a wheel.
The grey "mushrooms" on the coamings are IFL self-tailing snubbing sheet winches - turning the top releases the sheets.
The owner of thsi yacht reports that with the cutter rig sheet loads are so low that it is rarely necessary to use a winch handle.

Cockpit aft
Aft cockpit
Forward cockpit
Brochure from Cornish Crabbers
Under sail

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