Heesen launches their 3700 Yacht Willpower

Heesen Yachts have recently launched superyacht WILLPOWER in the Netherlands, a ...

Heesen launches their 3700 Yacht Willpower

May 18, 2010

Written by Mike Smith

Heesen Yachts have recently launched superyacht WILLPOWER in the Netherlands, a Heesen 3700 series motor yacht. Yacht Willpower is hull number 14537 of the successful 3700 series and as such she is similar to her sister-ships with respect to her exterior yacht design (by Omega Architects) and other general specifications. Her interior however is customised and will be fully polished and completed for delivery to the yacht’s owner after sea trials and testing.

Yacht Willpower's sistership - the Heesen 3700 yacht lona - image by Monaco Yacht Spotter

Yacht WILLPOWER has two MTU 16V 4000 M90 diesel engines rated at 3,646 HP each which produce a projected maximum speed of 31 knots. At her crusie speed of around 12 knots she has a range of over 2,000 NM.

The Heesen 3700 motor yacht WILLPOWER has a beam of 7.50-meters and a 2.20-meter draft at half load. Her half load displacement is about 150 tons. Yacht Willpower is currently for sale.

Luxury motor yacht ‘Let It Be’ is the third of the Heesen 37 meter (123’) series and was launched by Heesen Yachts in 2005. She is available for Mediterranean yacht charters here. Also, here is the complete list of Heesen yachts for chatrter.




Hull type: Twin propeller motor yacht
hard chine semi displacement
Naval Architect: Heesen Yachts
Exterior Designer: Omega Architects
Interior Designer: Omega Architects
Classification: ABS X A1 Yachting Service AMS
Material of Hull: Aluminium
Material of Superstructure: Aluminium
Length over all: 36,80 meter 120’9”
Beam over all: 7,50 meter 24’7”
Draft extreme (50% load): 2,20 meter 7’2”
Displacement (50% load): 150 tons 330.700 lbs
Maximum speed (light): 31,0 knots
Range at 12 knots: 2.000 Nm
Fuel capacity: 33,0 m3 8.700 US Gallon
Fresh water: 8,0 m3 2.100 US Gallon

Main engines: 2× MTU 16V 4000 M90
Maximum power: 2× 2.720 kW
Gearbox: 2× ZF 7550
Engine control: MTU MCS-5 type 1
Waterlubricated shafts: stainless steel 431 Ø 145mm
Propellers: Schaffran five blade fixed pitch
Ø 1.350 mm (4’5.1”)
Generators: 2× Northern lights M 1064T2
Power: 2× 55 kW, 50Hz three phase 230/400V
Bowthruster: hydraulically driven make Hydromar
type HBT-GF-CR-50, 50 kW
Retractable sternthruster: hydraulically driven make Hydromar
Type HBT-GP-CR-51, 51 kW
Steering system: Sperry Marine Systems, type 2.S.25.35.2
Rudders: Two stainless steel rudders
with stainless steel 431 shafts
Stabilizer: Active trim tab stabilisation system
make VT Naiad

Fresh water maker: 2× HEM 20/400
capacity 1.500 litres per day each (400 GPD)
Hot water boiler: 2× Nibe 205 litres each (54 USG)
capacity 13kW each
Sanitary treatment: Hamann miniframe 5.400 LPD (1426 GPD)
Grey/blackwater system: JETS
Fuel separator: Westfalia OTC 2-02-137
capacity 1.200 litres per hour (317 GPH)
Air-conditioning: chilled water units make Marine Air
2 x MCW 120S-EH, each 35 kW cooling cap.
Fresh Air supply: make Salor
capacity 1310 / 655 m3/h (770/385 cu ft/min)
Search light: 1× Sanshin RCL 100
Anchor winch: 2× Ascon type 2 ACV, two speed
Anchor: 2× SHHP Pool –TW 149 kg (328 lb)
Anchor chain: 1× 150 m (490’), 1x 100 m (328’)
U2–quality, 16 mm (0.63”) shortlink DIN 766.
Mooring capstan: 2× Ascon type 2CVE
Passarelle: Hydromar Seawalk
Spa Pool: Riviera pool Roman Public 255

Tenders and sport equipment are Owner’s delivery. The design criteria for
tender and waverider are foreseen as follows:
The net opening of the transom hatch is B × H = 3,89 × 1,45 m (12’9” × 4’9”)
There are two tender tracks located in the tender garage:
– Starboard side maximum tender length is 5,4 m (17’8”)
– Port side maximum waverider length is 3,16 m (10’4”)

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