Cab/Wheelhouse Design Advice

Discussion in 'Boat Design' started by zamgod, Aug 11, 2013.

  1. zamgod
    Joined: Oct 2009
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    Location: Outer Hebrides, Scotland

    zamgod Junior Member

    Unfortunately I can't extend the wheelhouse by much, because of the centrally located fuel tank box which also acts as seating.

    But I could extend the roof, which would give shelter to those unable to get into the PH. A fixed extention would probably look best, but someone suggested a canvas, rollback type ********. Which could be rolled up in fine weather....not sure of the viability of such an ********.
     
  2. Yobarnacle
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    Yobarnacle Senior Member holding true course

    a bimini top?
     
  3. J Feenstra
    Joined: Jan 2012
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    J Feenstra Junior Member

    Make a coupe cabrio, You can create a solid frame for your canvas and if the weather is nice, you fold back the canvas. If the weather isn't that nice you’re canvas is protected by the solid frames.
    The drawings PAR made you can alter for youre situation. IF PAR agrees :)

    Nice place you live at, really beautiful
     
  4. zamgod
    Joined: Oct 2009
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    Location: Outer Hebrides, Scotland

    zamgod Junior Member

    Sort of, but the examples I've seen sofar are all on sports cruisers, cabin cruisers and that sort of style. I don't think it would look good on a fishing boat...do you?

    Do you have any examples/links to get an idea for a design.

    Yes Barra is a beautiful island, especially on hot and sunny days. It takes on a completely different character when hurricane winds are blowing off the Atlantic....still beautiful though.
     
  5. J Feenstra
    Joined: Jan 2012
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    Location: The Netherlands

    J Feenstra Junior Member

    haha thought so when I saw your from Scotland, it can get quite scary I recon.

    http://www.jachtwerfmulder.nl/nl-NL/yachts/convertible/59-softtop

    this is for a pleasure craft, but you can see it has the canvas encased in the structure, So for your ship you can create kind of like a fly bridge, suspend it to the deck with pillars and build a solid frame, just like in the link. Of course you dont have to errect the side walls like on the example, but it can be a sollution
     
  6. LP
    Joined: Jul 2005
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    Location: 26 36.9 N, 82 07.3 W

    LP Flying Boatman

    A little "paint" magic.

    Extended and cambered roof and bulwarks.
     

    Attached Files:

    1 person likes this.
  7. michael pierzga
    Joined: Dec 2008
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    michael pierzga Senior Member

    Yah..look'n better. You might not need to extent the bulwarks all the way aft. They might get in the way and make work difficult
     
  8. zamgod
    Joined: Oct 2009
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    Location: Outer Hebrides, Scotland

    zamgod Junior Member

    Thanks! That looks pretty good to me and it's functional.
    It wouldn't get in the way of casting rods and it would give some shelter if needed. Also the gap between the bulwark and the sheer would allow a foothold to clamber aboard.

    All in all an excellent design.
     
  9. LP
    Joined: Jul 2005
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    Location: 26 36.9 N, 82 07.3 W

    LP Flying Boatman

    I'm glad you like..

    I only took everyone else's input and made a picture of it. :cool:
     
  10. PAR
    Joined: Nov 2003
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    PAR Yacht Designer/Builder

    Another thought would be a broken sheer, raised in the forward portions, but still low aft for handling lines and rods. I also think she'd look better with a simpler house profile, but whatever works.

    This is the idea, though not very high, it could be higher if desired.

    [​IMG]
     
  11. zamgod
    Joined: Oct 2009
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    Location: Outer Hebrides, Scotland

    zamgod Junior Member

    But you know what they say, “a picture tells a thousand words” or something like that.

    You have indeed captured, in a picture, all the excellent contributions from the various participants. Brilliant!

    PAR’s idea of a broken sheer has its merits, so I guess I have to decide on which option to go for. Both are equally functional in their own right.

    I guess my next job would be to size all the component parts. Maybe even capture it in Freeship, although that might be a mammoth task. And over the winter months, when the boat is in the front garden, rebuild the cab using Yobarnacle’s idea of half inch foam and salvaged automobile windows. The PH as it stands is way too heavy, built from 2”x1-1/2” studs (framework), 9mm ply sheeting and glass. I guess I went over-the-top with the design, but you know what they say, you live and learn….even at 70.
     

  12. michael pierzga
    Joined: Dec 2008
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    michael pierzga Senior Member

    9mm or 12mm Okume using filleted and taped seam construction is very light. Ply is easier to work with .

    Foam must be reinforced at load points... then glassed inside and out...then faired.

    Auto glass will be heavy. Then you must add in the weight of a robust frame for the autoglass.

    I would only use glass for windows that are swept with a windscreen wiper.

    Plastic is light and easy to work with
     
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