Building RYD-16.9 Rocky - Hull 21

Discussion in 'Boatbuilding' started by John Theunissen, Aug 5, 2017.

  1. brendan gardam
    Joined: Feb 2020
    Posts: 368
    Likes: 44, Points: 28
    Location: east gippsland australia

    brendan gardam Senior Member

    Hi john. I honestly could not tell you anything about registering a new boat, I only buy used boats . I know in w.a you had to get a builders plate for a new build but I don't know what happens here.
     
  2. John Theunissen
    Joined: Aug 2017
    Posts: 63
    Likes: 10, Points: 8
    Location: Melbourne, Australia

    John Theunissen Junior Member

    Greetings,
    I’ve enjoyed this phase of the build - the companionway hatch and drop boards. It might look simple but there’s some complexity in it, introduced by angles and having to take care in the sequencing of activities. Once again, I think I have built a little heavy. Designer Paul would not be pleased 4F72F27C-C077-41F7-9357-A376AB19CFEC.jpeg 135797BA-5485-4A02-9170-CC299B12B7B7.jpeg 631168F3-6802-4EE8-98DB-912810EBB220.jpeg
     
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  3. John Theunissen
    Joined: Aug 2017
    Posts: 63
    Likes: 10, Points: 8
    Location: Melbourne, Australia

    John Theunissen Junior Member

    Greetings,
    I’m hoping to make some progress over the end-of-year break. One of the goals is to finish the trim within the cockpit area - beading, wooden slats for the seating etc. Here are a couple of pictures showing the trim for the seat tops, not yet secured, but I wanted to see what it looks like.
    I’ve also decided to use a 24V electric outboard so have also been making the battery mounting structure that will be located under the bridge deck area, which is a handy position as it’s directly above the CLP of the hull. The motor I’ve chosen is a Haswing Ventura F, 160lb thrust, 2,5kW which will be powered by two 12V 140Ah AGM deep cycle batteries. They weigh 30kg each. The plan is to have a separate “house” battery, so all up 90kg of ballast. I’m guessing that with all this extra mass, the boat is not exactly going to excel in the performance stakes.
     

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  4. John Theunissen
    Joined: Aug 2017
    Posts: 63
    Likes: 10, Points: 8
    Location: Melbourne, Australia

    John Theunissen Junior Member

    Greetings,
    Well, our Summer break has come and gone and not a lot of progress on the boat, but we had a wonderful time with my son and his wife in Perth.
    I’ve permanently attached and varnished the trim on the cockpit seats and installed the batteries. The boxes for the landing of the jib sheets were a little more challenging than I expected. The rudder blade has been constructed and shaped and I’ve clad the sides with fibreglass matting , leaving a little extra matting so that I can add thickened epoxy to the trailing edge. I plan to reinforce the the leading edge also with glass and thickened epoxy. More pictures to come later but here are a few that show the batteries in position and the port and starboard side boxes.
    Regards, John T.
     

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  5. John Theunissen
    Joined: Aug 2017
    Posts: 63
    Likes: 10, Points: 8
    Location: Melbourne, Australia

    John Theunissen Junior Member

    Greetings,
    Time to post some more pics of recent progress. Batteries and chargers are properly installed, rudder and rudder housing construction is approaching completion, and the centreboard “blank” is ready to be shaped - it’s really heavy timber (spotted gum), I’m guessing it weighs as much as the lead insert which is about 17kg.

    The most satisfying recent activity has been the construction of the wooden mast with my son Ross. Having had no experience with the “birds mouth” technique I was unsure of how it would turn out, but it was easier than expected - we used a router bit and that worked well. The wood is Australian Hoop Pine, great quality, straight grain, light weight and reasonably strong - as spruce is not readily available, this seems to be a worthy substitute.

    Regards, John T.
     

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  6. John Theunissen
    Joined: Aug 2017
    Posts: 63
    Likes: 10, Points: 8
    Location: Melbourne, Australia

    John Theunissen Junior Member

    Greetings,
    Well several months have passed since my last post. Work has been busy, but there has still been room for some boat building activities.
    All of the spars are now pretty much completed minus the protective coats of varnish. I’ve made the tabernacle a composite structure with a hardwood surrounding frame supported by 6mm aluminium angles with 7mm Merbau cladding. Lots of through bolts and metal fasteners so it should be strong enough.
    I enjoyed making the gaff jaws which are laminated 4mm Merbau. For the bowsprit I’ve used spotted gum with Hoop Pine and Merbau layers in the centre. Once again on the heavy side but it won’t break. Similar laminated structure with Hoop Pine and Merbau for the tiller.
    The sails are being made by Peter Green who is local and has been in the trade for over 50 years. Peter made the sails for our previous build and they have performed well.
    Here are some pics of the progress. Enjoy. Regards, John T.
     

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    BlueBell likes this.

  7. Boat Design Net Moderator
    Joined: Feb 2010
    Posts: 525
    Likes: 119, Points: 43, Legacy Rep: 1004
    Location: www.boatdesign.net

    Boat Design Net Moderator Moderator

    Thanks very much for posting updates!
    Really enjoy seeing your boat coming along.
     
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