The "Sib-Lim" Challenge

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  • 07 Nov 2014 22:15
    Reply # 3145078 on 3144241

    I've ordered study plans for the NIS 31, which fits a lot of your criteria but far from all of them, the most important thing probably being size.

  • 07 Nov 2014 21:11
    Reply # 3145036 on 3144241
    Asmat: perhaps I should have added 'pretty' to my list.  Not that all Bolger's boats are boxes, of course.  But none of them quite fits the bill.

    Spence: I certainly should have added 5ft 1in headroom and will go back and edit accordingly.  The rudder on the Pioneer is identical to the original one we had on Badger - which had to be removed and replaced because its CE was way too far aft.  I like the idea of twin keels, but not many people seem to be able to design ones that genuinely work to windward.  You might be able to get some decent accommodation in the 23ft version, but not with a centre board.

    There are of course plenty of designs around that I could modify to my taste.  And indeed, it's probably what I'll end up doing, but the main object of this exercise is to get people engaged with the idea of designing the sort of boat that I think quite a number of JRA members would like.

    Ash: certainly either lee boards or a centre board can be considered.  Or, for that matter, bilge boards.

  • 07 Nov 2014 14:20
    Reply # 3144624 on 3144241
    Deleted user
    Annie Hill wrote:
    The design parameters:

    Hull: Essential (in no particular order)

    The boat has to be simple to build and inexpensive
    • About 3 tons displacement.
    • Hull: 26ft or less, wood of some sort.
    • Offshore capable
    • Genuine windward ability
    • Maximum 2 ft draught
    • Single-mast junk rig
    • Full-width cabin
    • Rudder on stern
    • Outboard engine
    • Wind vane self steering
    • Room for 120w solar panel on deck
    • Watertight chain locker
    • Room for 5ft 1in dinghy
    • Sufficiently robust to dry out regularly on oyster shells
    • If flat-bottomed, no slapping of waves at anchor

    JUst a quick question Annie,

    I presume your Max 2 ft draft can be supplemented by lee board or centre board when beating  or not?
    Ash

    Last modified: 07 Nov 2014 14:23 | Deleted user
  • 07 Nov 2014 11:30
    Reply # 3144555 on 3144241

    Have you seen the Pioneer by Selway Fisher?

    A bit small at 23' 4" (wooden version) but can be fin or bilge 

    Food for thought anyway.

    http://www.selway-fisher.com/Yacht2024.htm

    Regards Spence



  • 07 Nov 2014 10:23
    Reply # 3144527 on 3144241

    Hi Annie,

    I have a picture of your SibLim in my mind already. I think it looks a lot like one of Phil Bolger's designs.

    Cheers, Asmat

  • 06 Nov 2014 23:03
    Reply # 3144330 on 3144241

    Great idea Annie.  And Para Handy would approve of the name ...

  • 06 Nov 2014 22:34
    Reply # 3144313 on 3144241
    I hadn't thought about that.  I'd give it 6 months: that way non-website members have a chance to contribute via the magazine.  People will need time to think about it and try out a few ideas.
  • 06 Nov 2014 21:42
    Reply # 3144283 on 3144241
    Anonymous member (Administrator)

    When is the deadline? 

  • 06 Nov 2014 20:48
    Message # 3144241
    I love my little Fantail: she sails very well, is a comfortable home and is easy to handle.  However, my chosen cruising ground has a lot of shallow water for which her 5ft draught is very unsuitable.  In addition, New Zealand frequently experiences side swipes from Cyclones, which are extremely unpleasant.  When these are forecast, it would be nice to creep up a creek, surrounded by drying land or snuggled among mangroves.  Shallow draught would mean that I could coat below the water with copper and epoxy and keep the boat clean by scrubbing, saving on the cost of hauling out and antifouling.  I've been thinking about this for some time, and it occurred to me that many of you clever people enjoy doodling boat designs, so I've come up with a Challenge.  Who wants to design Annie's next boat, Sib-Lim?  (Small Is Beautiful, Less is More).  I'm not promising that I will build her - somehow I have to acquire the wherewithal - but someone else might!  On the other hand, I think it would be fun to see what people would come up with.  The Editors like the idea and we would publish designs in the magazine to stimulate debate and, hopefully, to encourage members who shy away from the Internet to contribute their ideas.

    The design parameters:

    Hull: Essential (in no particular order)

    The boat has to be simple to build and inexpensive
    • About 3 tons displacement.
    • Hull: 26ft or less, wood of some sort.
    • Offshore capable
    • Genuine windward ability
    • Maximum 2 ft draught
    • Single-mast junk rig
    • Full-width cabin
    • Rudder on stern
    • Outboard engine
    • Wind vane self steering
    • Room for 120w solar panel on deck
    • Watertight chain locker
    • Room for 5ft 1in dinghy
    • Sufficiently robust to dry out regularly on oyster shells
    • If flat-bottomed, no slapping of waves at anchor

    Addenudum:

    • at least 5'1" (155cm) headroom, preferably about 5'6 " (168cm) for my guests
    • Good looking - at least to my eyes!

    Would be nice

    • Chinese bow

    Accommodation: Essential (in no particular order)

    • Double berth
    • Screened off heads with C-head composting toilet, but a separate compartment is not necessary
    • Good galley
    • Spare berth for guest
    • Solid fuel heater
    • No sliding hatch
    • No lift-out washboards
    • Comfortable cockpit
    • Storage for paint, spare rope, etc
    • Bookshelves
    • Storage in lockers
    • Decent table for eating and writing
    • Room for plywood sheet as half-size chart table (it can be stowed when not required)
    • At least 2 galley drawers

    Would be nice

    • Raised saloon so that I can see out - a raised, three-sided dinette like I have at present would be perfect.
    • Avoid quarter berths
    • Pram hood
    • Water in 4l jerricans
    • Athwartships cooker
    • Vegetable locker

    While I would never trail the boat, designers might bear this in mind as being a useful asset for other builders :-), so putting the mast in a tabernacle would also have merits.

    Alan Boswell has offered to critique the designs insofar as their sailing performance is concerned, and I will judge how closely they match my (sometime incompatible) criteria for a comfortable liveaboard, cruising boat.  The more detailed the drawings are, the more interesting they will be, of course, but the idea is to stimulate debate and get people to their drawing boards/CAD programs.

    It goes without saying that if anyone produces a perfect design, I would be more than happy to pay for it.  I suggest that challengers post their designs in their profile galleries and/or send them to me.  I'll keep Alan up to date.

    Last modified: 07 Nov 2014 21:17 | Anonymous member
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