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Henleys have a complete range of Drivetrain and Propeller Solutions from boat propellers through to control systems

Henleys supply stern gear for world award winning vessel ‘ADASTRA’

Described by Boat International as “one of the world’s most amazing super yachts, that could spell the future for efficient long range cruising”, the striking 42.5m Trimaran Adastra certainly turned a few heads at its launching ceremony on the 11th of April 2012 in China for Hong Kong clients Anto and Elaine Marden.

Henleys designed and supplied both wing installations which included shafts, propellers, Kiwi shaft seals, Easiflow stern tubes, Thordon bearings and Flex O fold propellers.

The main drive propeller fitted to the C18 Caterpillar was a 40” diameter 5B “Tiger” design cast in Nibral and finished to ISO484/2 Class “S” standard.

Length – 42.5 metres

Beam – 16 m

Hull Draft – 1.12 m (1.6m to tip of rudder)

Main engine – 1x Caterpillar C18 -1150 hp @ 2300 rpm

Outrigger engines – 2x Yanmar 110hp @ 3200 rpm

Generators – 2 x 36 kw custom in the outriggers linked to 110 Hp Yanmar engines, and 1x 26 kw Northern lights in Main engine room

Owner and Guests – 9

Crew – 5-6

Displacement light – Fully equipped and full stores and crew, no fuel and no water – 49 tonnes

Displacement cruising max – (normal operational load) 15000 litres fuel – 64.8 tonnes

Displacement ocean passage max – (only for occasional long ocean passages) 32000 litres fuel – 77 tonnes

Speed max – 22.5 knots

Range at 17 knots – 4000 miles

Fuel consumption at 13 knots – 90 litres per hour.

Fuel consumption at 17 knots – 120 litres per hour


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