Recent content by redreuben

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    Model from a study plan

    Roberts catamaran plans have no respect from multihull sailers.
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    Model from a study plan

    I would be looking elsewhere for more modern designs, you have given virtually nothing to go on but I would suggest Woods and Simpson for solid old school cruisers or Schionning and Grainger for more modern and Kurt Hughes has a range, Wharram for old school traditional. Roberts has very little...
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    KHSD demountable 27 or 30 ft catamaran

    Trailable and demountable are not the same thing, especially for catamarans. Trailable generally means expand the trailer make the connections and go sailing maybe 45 minutes to 2-3 hours max. Demountable can mean jinkers for each hull a crane and 2 days assembly time.
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    KHSD demountable 27 or 30 ft catamaran

    The reality that I've noticed is that even trailable mono's tend to get parked at the yacht club the trailer license expires and thats where they live until sold. If you are keen to sail regattas or have an itinery in mind I'd be wary of the compromises demountable entails. Demountable boats are...
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    Ultim at full speed on rough sea

    Pretty impressive, not just the sailing but the drone work !
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    KHSD demountable 27 or 30 ft catamaran

    Another no vote for a sliding system here.I have enough trouble keeping boat hooks and tiller extensions working ! Apart from sand and salt and other debris sun damage on the seals etc etc sliding systems rely on some pretty precise alignment which in real world application is extremely difficult
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    Stress (stiffness) testing a small tri hull

    Go Sailing. If it breaks it's too light If it doesn't break it's too heavy
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    Dry Strip Planking

    The cedar hulls were built male, the FRP hulls female, the early FRP hulls were foam sandwich with a vinylester skin, a one off (racing) special was built in 100% VE and post cured. After my departure I believe hulls went to coremat. The FRP hulls also had all glass keel grid and frp interior mould.
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    Dry Strip Planking

    And just to be thorough, this phenomenon is magnified when planking in foam.
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    Dry Strip Planking

    I worked in a yard in Henderson WA that built 3 strip planked cedar hulls for the Farr 9.2. The last one was used to make a grp mould. This was 1988/9 so details are a bit vague but ...... Being a round voluptuous hull the majority of the planks being square cut left a natural gap to be filled...
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    Multihull microcruiser design (capsize approach, vol 2)

    Those hulls with fat midsection and fine ends will hobbyhorse like a mother f*cker
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    Multihull Structure Thoughts

    SolGato Hello there, I just wanted to thank you for your contributions on the HH tramp variants and the Ostac boats. Based on your and Oldmulti’s contributions my partner and I bought the Ostac boat that was on Gumtree, it is still in Melbourne and I am in Perth so a trans Australian road trip...
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    Multihull Structure Thoughts

    SolGato, Thank you so much for your perspective, greatly appreciated. Biggest issue for me is my location, looks like a road trip is on the cards !
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    Multihull Structure Thoughts

    Hey Oldmulti Sir, I’m wondering if you could help me out, my partner and I have been looking at the used foldable market and have come to the conclusion that we can afford to purchase and more importantly use well and maintain the Farrier designed Tramp. I’m sold on the fibreglass construction...
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    Multihull Structure Thoughts

    That’s probably the most attractive KSS boat I’ve ever seen !
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