I need a Marine Architect / engineer to design a RIB

Discussion in 'Fiberglass and Composite Boat Building' started by diverdon, Oct 26, 2007.

  1. diverdon
    Joined: Mar 2007
    Posts: 14
    Likes: 0, Points: 1, Legacy Rep: 10
    Location: Springville NY USA

    diverdon Junior Member

    I need a Marine Architect / engineer to design a RIB

    I want to try my hand at boat building. I want to build a large power cat to go around the world on. But, that sounds like a really big job to get stuck in the middle of; if it turns out I really do not like boat building. So I am going to take the advice of the wise old board members and build the dingy first. Of course I really don’t have any more idea how to build a dingy. That’s why I want advice from board members and eventually I want to hire a Marine Architect / engineer to do the final design. Here are some of the design parameters. I think I would like to use the vacuum infusion method of hull construction.

    Length: 20’
    Propulsion: John Deere 4045 diesel hooked up as reversible Jet drive (I think this is a great engine, I can get them wholesale, and I plan to put one (hooked up to a prop) in each hull of the world crossing cat described above. So the engine in the dingy could be looked at as an emergency spare.


    ENGINE: http://jdpsesc.deere.com/ESComp/servlet/com.deere.enginedb.servlet.model2.EngineSearchResultsServlet

    CORE: Must be a RioTintoAlcan product. I can get a good deal on these. http://www.alcanbaltek.com/alcan/acsites.nsf/pages_accm3_en/index.htm

    Skins: I am leaning toward Kevlar or similar aramid fiber, S glass might be OK but I just don’t really like the itch working with it gives me. Kevlar gives extra toughness and bragging rights.

    I want it to be suitable to haul supplies and people out to the main boat and back. I would like to be able to go diving with this boat in medium/rough weather conditions with five friends and a boat operator. Or I would like to be able to haul 20 jerry cans of diesel plus assorted provisions out to the boat in one trip. I to use this boat as a dingy, and also as an expedition dive boat. I want to be able to run it right up on the beach. I want to be able to clear the intake by reversing the engine. The jet drive is also safer around divers and swimmers.

    One of the reasons for deciding on an inboard engine is that out boards might be tempting to theft in some of the parts of the world I plan to travel. So the dingy should also incorporate good anti theft tech. I am hoping to get some good ideas on this thread. But I am thinking something like a tamper proof ignition switch with the wiring behind a locked panel.

    I would like to use the boat off a trailer hear at home. When I go world cruising on my dream yacht I want to be able to either tow the dingy short distances of easily hoist it aboard with the small crane. Hardware for each of these purposes should be included in the design. I also want the dingy to be very easy to dock and tie up; with a rib do you need to use fenders?

    The dingy should have an integrated fuel and water tank; I would like to be certain that there is always say 15 gal of water on board for emergency’s. The design of the boat should have a dry compartment for emergency supplies (flares & such) and another dry compartment for cell phones/wallets.

    A top quality scuba boarding ladder should be included on the design.

    It would be really nice if we could incorporate some feature which would allow a single operator to easily load either a raised treasure chest, or a disabled dive buddy onto the boat.

    UW lighting, it would be way cool if we could incorporate some UW lighting to enhance the night diving experience.

    I would like to have provisions to tow a skier or wake boarder. A couple of rod holders for fishing would about round it out.

    I am interested on five things from the board.

    One, what books should I buy?
    Two, anything else I should spec out before hiring the Marine Architect / engineer?
    Three, anything I’ve said that’s just plane wrong headed and why.
    Four, Who should I hire as Marine Architect / engineer?
    Five, what should the Marine Architect / engineer cost?
     
  2. alan white
    Joined: Mar 2007
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    Location: maine

    alan white Senior Member

    1. You don't need to read anything.

    2. No, I think you know what you want.

    3. No. You need someone to turn your idea into reality.

    4. You should hire someone with a more comprehensive set of abilities than an architect or an engineer. Someone who can design both practically and aesthetically, who knows materials, who has experience in assembly, who also is a talented craftsman.

    5. $75.00 per hour min. However you could cut that in half if you found the right man. Occasionally, you would need to pay for the professional services of an engineer or an architect, and then the higher hourly rate would apply. Most of the time it would be unnecessary.

    Contact me by PM if you would like to know how I could help you.

    Alan White
     
  3. Jarrod
    Joined: Jul 2004
    Posts: 43
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    Location: New Zealand

    Jarrod Marine Designer

    Hi,

    I'm sure we can be of help to you.

    Please contact us if your interested.
     
  4. Olav
    Joined: Dec 2003
    Posts: 296
    Likes: 30, Points: 38, Legacy Rep: 460
    Location: Filia pulchra Lubecæ

    Olav arch. nav.

    You might as well specify a minimum speed and range under certain conditions (sea state, wind influence, load conditions). Interesting project though! :)
     
  5. dberr
    Joined: Mar 2007
    Posts: 19
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    Location: Toronto

    dberr Junior Member

    It sure doesn't hurt to use fenders, especially if you are moored to a barnacle encrusted pier. We have repaired numerous tubes over the years that could have remained undamaged by using small fenders.

    We build and repair RIBs in Toronto. PM me if you would like more information.

    db
     
  6. brian eiland
    Joined: Jun 2002
    Posts: 4,788
    Likes: 157, Points: 73, Legacy Rep: 1903
    Location: St Augustine Fl, Thailand

    brian eiland Senior Member

    Special Dingy & Special World Vessel

    Diverdon,
    What would you think of a RIB based on the Bladerunner hull form??...could be an exciting project. I have a brief proposal and a few sketches if you're interested.
    http://www.yachtforums.com/forums/technical-discussion/2701-trimarans-bladerunner-6.html

    As for the larger power cat you speak of I might recommend you consider a SkySail assisted vessel I am planning in both a catamaran form and a 'stabilized monohull' form....also very interesting. And a very special stern platform for fishing, diving, and ocean research.
    ______________________________________________________________________
    PRESS RELEASE
    6/4/07

    RunningTideYachts has chosen to concentrate its yacht design and consulting efforts on vessels capable of exploring the world’s wide ocean expanses on their own bottoms. To reach many remote areas there is often a question of fuel availability, and/or certainly considerations of fuel efficiency and range that need to be accounted for. These ‘fuel factors’ beg for solutions. One solution we suggest is achieved by adopting the use of an older, oft-forgotten vessel concept known as a ‘motorsailer’…..vessels capable of motoring and sailing, in combination, to reach unlimited vistas.

    The multihull vessel form lends itself extremely well to a significant improvement in both the motoring and sailing capabilities of the traditional motorsailer. For years the multihull itself was considered a renegade design form. Much of that past stigma has subsided, and acceptance is now much more favorable.

    Concurrently, there are other exciting new technologies that need introduction and acceptance by the yachting fraternity. RunningTideYachts intends to be at the leading edge of adapting some of these technologies to the exploration Motor/Sailers of the future.

    Our latest design, the DynaRig MotorSailer takes a bold step forward to incorporate several new technologies into a very practical, generous size vessel that would allow for a private owner to go off cruising the world without need of a crew. She carries a modern version of an old square-rigger sailplan termed a DynaRig, which has recently been showcased on the exciting new superyacht, Maltese Falcon. We carry only a single-masted version on this 20m design verses the 3 masts on the Falcon, but the concept is basically the same. I believe it is the first catamaran to propose this square-sail rig, and it should prove quite an exciting project, while being very considerably cheaper than Falcon.

    This vessel also makes use of an innovative new motor propulsion system, the combination of diesel-electric power generation unit(s) supplying electrically driven
    rim-drive propulsors. The diesel-electric concepts have gained tremendous respect in the yachting field during the past several years. The rim-driven prop units have been utilized as thrusters for a number of years, and are now just on the verge of reality as propulsion units. Alternatively we are still pursuing a belt/chain drive propeller technology as well.

    On a less grander scale, note the optional fishing chair mounted on an elevating rear deck platform that can lowered down to sea level for a family swim /sunning area. And the outdoor grill/galley area on the port side of the cockpit. In charter, the number of passengers might welcome a second yacht tender that can be carried up forward and launched with help of the swinging lower yardarm.

    Our next design (coming soon) will be an adaptation of this new motorsailing design into a kite-assisted power vessel. We will exclude the Dynarig sailing rig and substitute a SkySail kite rig. Then next will be an entirely new hull design making use of the kite-sail concept.

    Interestingly most of these new technologies are European based. The DynaRig is older German technology. The SkySail rig is new German technology. The rim-drive units are mostly Dutch technology.

    __________________________________________________________________
    Truthfully, what sort of budget do you have in mind for the larger vessel, and are you anywhere near it?? I have another gentleman who is interested.
    Please send me a private email for more details, if you are interested.
     
  7. diverdon
    Joined: Mar 2007
    Posts: 14
    Likes: 0, Points: 1, Legacy Rep: 10
    Location: Springville NY USA

    diverdon Junior Member

    Alan Thank you for your response I attempted to contact you by PM and give you my current personal email. I think I may be having difficulty with the PM system. I am not really sure how you want to help, but I am willing to discuss it. My email is diverdon56@gmail.com
     
  8. diverdon
    Joined: Mar 2007
    Posts: 14
    Likes: 0, Points: 1, Legacy Rep: 10
    Location: Springville NY USA

    diverdon Junior Member

    Brian thank you for responding, I had to take a few days to think about blade runner but it is not at all what I am looking for. As a matter of fact I can't see how it would be suitable to build any kind of rib from.

    The kind of rib I am interested in is perhaps a little more like one of these
    http://www.ribcraft.co.uk/ribcraft12.html
    http://www.revenger.co.uk/revenger23/rev23inb.html
    http://www.scorpion-ribs.co.uk/8.1m

    I would be interested in more info on the sky sail, but in the end I am of the opinion that for my needs the weight, complexity, and cost of such things might ought weight any benefits. But I would like to take a look at it before rejection it out right.
     
  9. diverdon
    Joined: Mar 2007
    Posts: 14
    Likes: 0, Points: 1, Legacy Rep: 10
    Location: Springville NY USA

    diverdon Junior Member

    Dberr, thanks for the post I checked out your web site and potentially your company looks like a great source for the tube.
     

  10. KND
    Joined: Nov 2007
    Posts: 26
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: South Africa

    KND Naval Architect

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