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One Off Grundel

£ 17.565 (€ 19.750) VAT Paid
One Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off GrundelOne Off Grundel

Do you want to know more? Please contact Heech by de Mar.

+31 (0)515 … Show
Year of construction 1970
Material Steel
Length 29.53 feet
Width 11.2 feet

Powerful 2014 overhauled Yanmar engine with only about 500 Indirect cooling. Wet uiltate.. Handy sailing Grundel with furling jib system. Cosy interior with dinette and spacious bed in front. Authentic atmosphere by e.g. wood stove.

Basic data of the One Off Grundel

  • Seller:Heech by de Mar
  • Reference:Woeste Willem
  • Brand:One Off
  • Model:Grundel
  • Ship's name:Woeste Willem
  • Motorization:Powerful 2014 overhauled Yanmar engine with only about 500 Indirect cooling. Wet uiltate.
  • Category:Flat and round bottom
  • Additional category:Sailing Yacht
  • Year of construction:1970
  • Material:Steel
  • Experience: A day of boating fun, Family holidays, Shallow waters, Weekendcruiser, weekends aboard
  • Length:29.53 feet
  • Width:11.15 feet
  • Draught:3 feet
  • Variable draught:No
  • Vertical clearance:1100 cm
  • Headroom inside:170 cm
  • Beds:4fixed, 1 additional
  • Country: Netherlands
  • To view in sales harbour/showroom: Yes
  • Price:£ 17.565 VAT Paid (€ 19.750 VAT Paid)



  • Remarks:

    Spacious Grundel 9.00 well looked after by the current owner. Because of furling jib also suitable for sailing alone. Has a 2015 built-in overhauled Yanmar engine with approx. 500 engine hours after installation. Because of good insulation and woodstove very suitable to sail also in early spring and late autumn. 'Woeste Willen lies fully ready to sail in our sales harbor waiting for a new owner!

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  • Designer: Onbekend
  • Shipyard: One off
  • Hull shape: Flat bottom
  • Hull colour: Blue
  • Deck colour: White
  • Deck construction: Steel
  • Superstructure: Steel
  • Windows: 8
  • Cockpit: Aft cockpit
  • Open cockpit:
  • Vertical clearance: 11 m
  • Draught: 90 cm
  • Minimum draught: 90 cm
  • Displacement: 5,500 kg
  • Steering system: Helm
  • Position steering system: Outside
  • Rudder: Single
  • Keel/Lee board: Leeboards
  • Drift restriction controls: Manual
  • Comments:

    Unique Grundel with large cockpit and long continuous superstructure, creating space up to the forecastle. Has good insulation in the cabin and the forecabin.


  • Saloon:
  • Headroom: 170 cm
  • Berths: fixed: 4 Extra: 1
  • Type interior: Modern, wood look
  • Color upholstery: Red
  • Mattresses:
  • Cushions:
  • Water tank & material: 100 litre Plastic
    water tank newly installed in 2021.
  • Water system: Pressure system
    Foot pump
  • Toilets: 1 Manual
  • Cooker & fuel: 2 burner(s) Gas
  • Heating: stove
    Dickenson wood stove
  • Comments:

    Cosy interior with dinette (lowerable table can be used as a bed) and a very spacious double bed (or possibly 3 children's beds) in the front. Has an economical wood stove and good insulation, making it good to stay in the cabin in spring and autumn.

Engine, electrics

  • Type: Inboard
  • Brand: Yanmar
  • Model: 3GM30F
  • Year: Professionally installed in 2015 after overhaul
  • Number of cylinders: 3
  • Power: 28 hp
  • Fuel: Diesel
  • Fuel consumption: 2 litre/hour
  • Transmission: Shaft
  • Propulsion: Propellor
  • Cooling system: Indirect
    Wet exhaust
  • Fuel tanks: 1
  • Total fuel tank(s) capacity: 42 Litre
  • Fuel tank material: Polyethyleen
  • Cruising speed: 5 knots
  • Tachometer:
  • Battery: 2 x
    Starter battery 74Ah (2020), board battery older
  • Alternator:
  • Voltage: 12V

Navigation and electronics

  • Compass: Plastimo
    Hand Compass
  • Navigation lights: Detachable
  • Autopilot: Pen bank

Rig and sails

  • Sailplan type: Gaff
  • Number of masts: 1
  • Spars material: Wood
  • Standing rig: Steel wire
  • Number of sails: 2
  • Sails material: Dacron
    In addition, original cotton mainsail
  • Main sail: Binding Reef
  • Jib: Furling jib with roller system Smartroller (see you tube)
  • Flying jib:
  • Winches: Dolphins Allpa
  • Manual winches: 2
  • Comments:

    Features a roller jib system unique to this type of vessel, the operation of which is explained on you tube (Smartroller) .

Deck Equipment

  • Anchors & material: 1 x Danforth
  • Anchor connection: Rope and chain
  • Boat cover: Summer and winter cover
  • Swimming ladder:
  • Sail lowering system: Bokkepoten
  • Crutch:
  • Fenders, lines:
This boat data may have been translated into your language via an automatic translation program. Errors can occur during this process. Ask the seller for complete boat details before purchasing.

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One Off Grundel

One Off Grundel

£ 17.565 (€ 19.750) VAT Paid