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    Offshore Crane Vessel Bokalift 1, Build by Dutch sailing group Mail-line
    by maersk-topper πŸ‡³πŸ‡± ( Leading Seaman)
    πŸ“£










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    πŸ“ Offshore Crane Vessel Bokalift 1, Build by Dutch sailing group Mail-line
    4 months ago by maersk-topper ( Leading Seaman)
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    Hello
    As a member of the Dutch modelling group Mailline I will start this topic on the construction of the offshore crane ship BokaLift 1 in the coming period (total construction time probably 3/4 years) through many photos on this forum.

    In 2005, Mailline members purchased a model of a tanker from about 385 cm long as a large towing object.
    However, there was a desire to make the tanker a more functional model and so the tanker was converted in 1 winter time into an offshore crane vessel called MailLine Lifter.
    The crane was fully functional including a special ballast-, and anchor system.

    However, in September 2015 the trailer, including the model of the Mailine Lifter, was stolen from the storage location, and so far never found again.
    The lack of the Mail-Line Lifter caused a great demotivation among the members and it took until 2018 before we had the motivation again to start a new group project.

    In 2017, the Dutch shipping company Boskalis converted their semisubmersible heavy transport vessel Finesse into a large offshore crane vessel named BokaLift 1
    A 3000-tonne Huisman crane was placed on the deck during the conversion.

    Partly because many members already had tugs from shipping company Smit, the decision was made to build a model of the BokaLift 1. (scale 1/50)

    During a construction meeting in spring 2018, the members decided to build the model in modules so that everyone can make their own part at home in their own workshop.
    The dimensions of the model are 438x86 cm with a maximum height of 270 cm
    The water displacement will be approximately 580 kg

    The construction of the model is therefore divided into the following parts:
    Hull
    Propulsion
    Crane / Boom
    Crane technology
    Stabilization system
    Accommodation
    Helideck / construction
    Boomrest
    Deckwinches
    Rescue parts (liferaft / boats)
    Deck detail
    Electro / electronics / RC
    Anchor system

    I started building the hull in September 2018 and the hull is built in 2 parts.

    The hull was drawn with a 3D drawing program (Delfship) and then in SolidWorks futher adjusted to a body plan to create the largest possible usable space for all components.

    The frames are laser cut from 10mm poplar plywood
    Then glued together and covered with 3 mm thick pinewood slats in different widths

    I hope the many pictures say more than my limited English writing

    model
    trailer
    frames
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    πŸ’¬ Re: Offshore Crane Vessel Bokalift 1, Build by Dutch sailing group Mail-line
    4 months ago by Martin555 ( Rear Admiral)
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    WOW!
    That is a big model, I will be following this with great interest.

    Martin555.
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    πŸ’¬ Re: Offshore Crane Vessel Bokalift 1, Build by Dutch sailing group Mail-line
    4 months ago by ikseno99 ( Petty Officer 1st Class)
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    WOW

    That is a Proper Ship!!!!! Superb Job Guys
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    πŸ’¬ Re: Offshore Crane Vessel Bokalift 1, Build by Dutch sailing group Mail-line
    4 months ago by MouldBuilder ( Lieutenant)
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    Sorry to hear about your troubles but really looking forward to following this build. Great startπŸ˜ƒ
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    πŸ’¬ Re: Offshore Crane Vessel Bokalift 1, Build by Dutch sailing group Mail-line
    4 months ago by Wingcoax ( Petty Officer 2nd Class)
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    As with most Dutch i know, your English is a lot better than my Dutch. Well done with the model.
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    πŸ’¬ Re: Offshore Crane Vessel Bokalift 1, Build by Dutch sailing group Mail-line
    4 months ago by figtree7nts ( Rear Admiral)
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    Now that's a model!πŸ‘πŸ‘πŸ‘
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    πŸ’¬ Re: Offshore Crane Vessel Bokalift 1, Build by Dutch sailing group Mail-line
    4 months ago by Dibdawg ( Able Seaman)
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    I am amazed at the size of this vessel, it is HUGE!
    Sorry to hear about the previous project, that really sucks!
    I am glad to see you all moved on to another project and leaving the past behind.
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    πŸ’¬ Re: Offshore Crane Vessel Bokalift 1, Build by Dutch sailing group Mail-line
    3 months ago by SydneyVic ( Recruit)
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    WOW....That is a magnificent model and when finished it will command its place on the lake.
    I am building a 1:25 scale Anchor handling tug and I thought it was large scale. Did you get all the laser cutting done out side by a company?
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    πŸ’¬ Re: Offshore Crane Vessel Bokalift 1, Build by Dutch sailing group Mail-line
    3 months ago by marky ( Lieutenant Commander)
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    How did I miss this before will follow with enthusiasm .
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    πŸ’¬ Re: Offshore Crane Vessel Bokalift 1, Build by Dutch sailing group Mail-line
    3 months ago by maersk-topper ( Leading Seaman)
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    Hello, the frames are lasercut by the dutch company Snijlab.nl, it was a great idea to get simple perfect frames and so on also a perfect total frame. After a building stop of nearly 9 months we we restart building in november. We will build in the bow and stern thrusters and we hope to made the first test sail in may 2020. But what offshore are you building in scale 1/25?

    frames
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    πŸ’¬ Re: Offshore Crane Vessel Bokalift 1, Build by Dutch sailing group Mail-line
    3 months ago by Martin555 ( Rear Admiral)
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    Looking forward to seeing your progress.
    Keep up the good work.

    Martin555.
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