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15 foot Custom Aluminum Mini Tugboat

Watch the video of her under way

Designer Berkley Engineering with Dearden Marine modifications
Length 15 feet
Beam 7 feet
Draft 1 foot 8 inches
Launched 4th February 2009
Displacement 1600 lbs.(including 200 lbs. of ballast)

PRICE $28,500 USD - NOW SOLD

We have now completed an aluminum mini tug based on the Berkley Engineering "Candu-EZ" design. We started this some years ago to fill in between other work and are only now returning to this project.The length was increased by one foot in the middle section to give more room in the cabin. A keel was fitted to be wide enough to accommodate an 11 horsepower Universal diesel engine, putting weight low and giving an almost level line for the propeller shaft. This allows it to be fitted within a box under the helm seat. About 4 horsepower is required to produce hull speed of 4 knots, there should be sufficient power to semi-plane at 6 knots plus. As this vessel is under 6 meters it must comply with those regulations such as positive floatation which is contained under the side decks, the bow and stern lockers and under the cockpit sole.

Box keel, Berkley Eastman design custom aluminum minitug, boatbuilding British Columbia, Gibsons, BC,  aluminum powerboat building, Dearden Marine aluminum boat fabricators, welded aluminum mini tug for sale
Keel with shaft log and engine beds.

Box keel, Berkley Eastman design custom aluminum minitug, boatbuilding British Columbia, Gibsons, BC,  aluminum powerboat building, Dearden Marine aluminum boat fabricators, welded aluminum mini tug for sale

Box keel, Berkley Eastman design custom aluminum minitug, boatbuilding British Columbia, Gibsons, BC,  aluminum powerboat building, Dearden Marine aluminum boat fabricators, welded aluminum mini tug for sale

Cutless bearing housing, Berkley Eastman design custom aluminum minitug, boatbuilding British Columbia, Gibsons, BC,  aluminum powerboat building, Dearden Marine aluminum boat fabricators, welded aluminum mini tug for sale
Shaft log faired into aft end of keel with cutless bearing housing.

Kell welded to bottom, Berkley Eastman design custom aluminum minitug, boatbuilding British Columbia, Gibsons, BC,  aluminum powerboat building, Dearden Marine aluminum boat fabricators, welded aluminum mini tug for sale
Bottom plate welded together with chine round bar and keel tacked in place

Hull plating complete, Berkley Eastman design custom aluminum minitug, boatbuilding British Columbia, Gibsons, BC,  aluminum powerboat building, Dearden Marine aluminum boat fabricators, welded aluminum mini tug for sale
Side plates are continuous from bow to centre of transom and rubrails and sheer pipes are one piece from amidships either side.

Cabin bulkhead, Berkley Eastman design custom aluminum minitug, boatbuilding British Columbia, Gibsons, BC,  aluminum powerboat building, Dearden Marine aluminum boat fabricators, welded aluminum mini tug for sale
Note engine well and engine bed for 11 hp Universal diese.l


Aft section has 4" deep framing which raises up the cockpit floor to make it self draining. Bouyancy foam was later fitted under this section.


Bottom is now completely welded with two rubbing strakes that serve as longitudinal stiffeners and one as a keel cooler for the engine. As the engine will have a dry exhaust this eliminates any water intake.


Bottom is primed with International Interprotect 2000 epoxy primer


International Trilux 2 antifouling over the primer


Rebuilt Universal model 15(5411) 11 horsepower diesel engine. This is a marinised Kubota engine coupled to a Hurth gearbox with a 2:1 ratio.

 






Engine fitted with dry exhaust and cooling by a keel cooler


Sailor 3 blade propellor with 1" stainless steel shaft

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John Dearden of Dearden Marine in Gibsons, British Columbia is a custom aluminum boat builder, fabricating aluminum sailboats, aluminum power boats.
They offer a full custom aluminum yacht builder service on BC's Sunshine Coast..