Boxy Fisher Catamaran

Discussion in 'Multihulls' started by Fanie, Mar 11, 2009.

  1. Fanie
    Joined: Oct 2007
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    Location: Colonial "Sick Africa"

    Fanie Fanie

    Hello Hoyt,

    There's a dog in your avatar ? ... on the boat forum :eek:

    Tbh, I am. Have to see some people and see if some things are going to work out. The whole setup is a pain in the you know what on the moment.

    I still want to do the boat though, half the things are sitting around me here.
     
  2. hoytedow
    Joined: Sep 2009
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    Location: North of Cuba

    hoytedow Wood Butcher

  3. masalai
    Joined: Oct 2007
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    Location: cruising, Australia

    masalai masalai

    So Fanie,
    What are you doing now?

    I am almost ready to depart for warmer climes around Milne Bay Province of PNG... - Samarai, a potential port of entry is at the SE tip of the PNG "mainland", some 450 miles slightly east of north from Cairns, a convenient port of exit from Australia...

    I am waiting for a weather window... Probably in a couple of weeks... Thence to enjoy a warmer winter (well some 60 days on a cruising visa in PNG), before heading back to Australia to either Cairns, Queensland, or Gove Harbour, in the NE corner of the Northern Territory - 'never never land' - "If you never never go, you will never never know..."

    How close is Manie to departing on his epic voyage?
     
  4. Fanie
    Joined: Oct 2007
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    Location: Colonial "Sick Africa"

    Fanie Fanie

    Aye Mas,

    North all the way. Why don't you swing by here and pick me up mate, I'll tell you all about it underway :D

    It's a long story, will tell another time, but I'm still working on it.

    Last time I heard Manie was near finish. He could come out of the closet any time soon, but a lot depends on conditions here, no news was good news for a long time.
     
  5. masalai
    Joined: Oct 2007
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    Location: cruising, Australia

    masalai masalai

    To go to Saffa Land to collect you is further than my range under power at 6knots, as I do not have a mast or sails or watermaker - all needed to get that far away (about Au$30,000 shortfall in my financial reserves)...

    That is why I am headed North... This 'Ancient Piece of S**t' needs to find an income source... Back to farming management in PNG or whatever in FNQ or near home port of Gove Harbour...

    Fuel on-board (500 litres) and cruising range on existing propellors at 7knots is about 700 NMiles... Need to find a good pair of propellers and more fuel and 30K for stick&sails...

    Have the capacity to carry some 500 liters more in main tanks and 800 additional litres in reserve tanks but that would be a bit overloaded if bad weather arose... I would far prefer to have some sails and a mast...

    The Nanni saildrive uses a 17? spline shaft for propeller attachment. I have a Bob Oram 39C fitted with mini-keels and weighs about 5000kg, waterline beam length ratio is about 11.5:1 on a waterline length of 11.99metres... The boat is guite a slippery hard chine hullform and does not seem to generate a 'bow wave' or much wake at all... The engines are Kubuto 21 hp and the gearbox 2.56 : 1 reduction, peak torque is at 2400 engine rpm and max hp/revs is at 3800 (or is it 3600) rpm... Engines seem to have a definite sweet spot at 3000rpm...

    Anyone following Rick Willoughby's/Leo Lazerides formula for propellor design? - I could do with some additional views on propeller selection. I have a 300mm radius clearance for the propeller, so max propeller diameter would have to be less than 17inches but that may be too big for the available power... Present fitting is a "gori look alike" 2 blade folding of 15inch diameter x 10inch pitch...
     
  6. Squidly-Diddly
    Joined: Sep 2007
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    Location: SF bay

    Squidly-Diddly Senior Member

    are there any pics of Fanie's Boxy Fisher (whole boat) or even a

    sketch of the general scheme? Or is he keeping it under wraps on purpose for the big unveiling?
     
  7. outside the box

    outside the box Previous Member

    Not sure where I got these but were posted somewhere in the early stages of talk of the project.
     

    Attached Files:

  8. Angélique
    Joined: Feb 2009
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    Location: Belgium ⇄ The Netherlands

    Angélique aka Angel (only by name)

    Boat Design Forums > Collaboration > Projects & Proposals > Trailer cruiser revisited... as a trimaran > Post #13
     
  9. Angélique
    Joined: Feb 2009
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    Location: Belgium ⇄ The Netherlands

    Angélique aka Angel (only by name)

    [​IMG]

    This one is from post#8.

    Cheers,
    Angel
     
  10. Fanie
    Joined: Oct 2007
    Posts: 4,603
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    Location: Colonial "Sick Africa"

    Fanie Fanie

    Hi everyone,

    It's been a while since I replied to this thread - the project is going on and I do not have anything to show yet except an incomplete building. Fortunately in my case time is of no relevance if you consider my age and the wife says I have enough projects to last me another 500 years... ;)

    In the meantime the foldable tri-yak will have to to, and even that has not been completed yet. I found a trailer for it and have to finish the trampoline. Then probably the most difficult is to convince some 'friends' of mine that we should make a trip to Mozambique to test the tri-yaks on the fish there...

    Business is not good in SA currently so we have to make do with what we can.
     

    Attached Files:


  11. hoytedow
    Joined: Sep 2009
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    Location: North of Cuba

    hoytedow Wood Butcher

    I have had to postpone the Fishy Boxier Cat also, due to some new higher priority things on the honey-do list, so it will be months instead of weeks until completion, so I know how you feel. Hope everything works out well for you.
     
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