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vaddoc

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Posts posted by vaddoc

  1. Proper progress today so time for another post!

    Today was a frightening day. I drilled many massive holes on my deck, no room for failure, no turning back. 

     

     First of all, I made a number of deck fittings to tie and route lines. I ve been using a lot my new tap and die set so all fittings will be screwed and not glued. I also finally manage to sort out my pickling solution, I had forgotten that hydrogen peroxide is needed so all my brass pieces were coming out pink

    20200620_115708.thumb.jpg.2beec6cd39a97f41e3fa6715d21e6836.jpg

     

    Now despite using only blocks and not winches, the Deben is a contemporary boat and a really small one. So I thought that some kind of roller/metal sheave would be used for the jib sheets. So I made a few that actually work surprisingly well. Of course, if I change my mind I can simply unscrew and use blocks. I tried a few other designs but unfortunately this is the limit of my metal work.

    20200619_155650.thumb.jpg.911a27b408848287da302ca17eb2cee0.jpg

    20200619_155703.thumb.jpg.418f950a5e84e1266f2dad701872d857.jpg

    Next photo is the port staysail roller installed. The axle needs trimming

    20200620_115734.thumb.jpg.ed78057dce876cf764a7d98c55a03316.jpg

    20200620_115741.thumb.jpg.4eaf415a7faad7b519ded9402ef66c6d.jpg

    I installed a cleat at the side of the cabin and two on the coaming.

    The top jib will be sheeted without any blocks. The flying jib and stay sail will have a single block but it can easily be changed to any other configuration with more blocks.

    Then I installed the highfield lever and its sheave. The sheave will face quite a lot of pull so I used proper 1.2 mm brass screws to secure it on the deck. I may change the screws with hex bolts but it is not too important

    I also drilled 2 mm holes and installed the poles for the rails. This took a lot of head scratching as the rails (which will be ropes going through the poles) need to clear all other lines and components. I think it went well, I still need to drill 6 holes 0.6 mm wide for each pole at the base.

     

    Some photos showing the above

    20200620_211117.jpg.f90dbec888e9ab3c04efdde657b31e78.jpg

    20200620_211124.thumb.jpg.f5291d0763c98819c4742775505ff509.jpg

    20200620_211131.thumb.jpg.3c13ac21e90189e70862b0bd0fc60598.jpg

    20200620_211146.thumb.jpg.f69ca2481224fb9725b2d93ff5583b55.jpg

    20200620_211151.thumb.jpg.06fa37ee64dcfdfa227b207e53cd562a.jpg

    20200620_211203.thumb.jpg.64a65e7556b581ac271f1814e803e2ea.jpg

    20200620_211218.thumb.jpg.2d0225f84f9585a2217c363f28b2a894.jpg

    20200620_211233.thumb.jpg.46a64fa98f737bf5fa5ab571b850cb2d.jpg

    20200620_211246.thumb.jpg.11c00e09c28fa5d0523d71a22ca1a6ed.jpg

    Everything seems to work together and although cramped, so far I ve found space for everything. The sheet for the top jib I do not think will be a problem. I have a vague idea for the mainsheet and I would like to avoid a traveller.

     

    Not far now! I still have no idea what I ll do with the boat when it's finished. 

  2. Somethink does not add up. On the side view as well as the photos of the actual boat, the planking reaches the rudders and at that junction the stern appears vertical. On the top view plans though, it is clear that the stern is never vertical. Unless the side planks reach the outside of the rudders vertical but the planking inbetween the two rudders is at a different level and sloped. The side planks seem to indeed stop at the rudders.

     

    Apologies if I am over analysing this, I tend to really over engineer and over loft my hulls! 

  3. Thanks Michael, blocks it is then. The end is so close that I am starting to become impatient! To feel like a child is very rare in our ages but it does happen...

     

    Some more pictures to explain the progress. I am not sure if they help because my camera is terrible, the boat large and there are ropes everywhere. Anyway, here it goes

     

    The two dots are where the sheets will land, the inner for the staysail (inner jib) the other for the flying jib (mid jib). They will not rub.

    379295170_new1.thumb.jpg.82c25e183d4a4b296e569d5dc6198178.jpg

    The flying jib in set position

    1049741868_new2.thumb.jpg.74cffb95d172254c3011cddd315dbcc4.jpg

    The staysail in set position

    108628199_foresail.thumb.jpg.c7a88fc317e399ecdadc39b11f0fc6a7.jpg

    Michael, this is the knot you mentioned, no shackle needed

    685259996_Mknot.thumb.jpg.48ccb30550c117e4e4f5d8d926e10f8e.jpg

    the top jib (outer jib) in set position, landing on deck and tied to a cleat on the side of the cabin

    343638338_topjib.thumb.jpg.6ced77c023d0bb7b729e7e25654ff8b7.jpg

    However, there are more ropes. The backstays land on deck and need to be clear of other ropes. The highfield levers actually have quite a travel and also need to clear sheets and cleats. This is the optimal position

    backstays.thumb.jpg.6c71707ed83d29952794e6a461a22471.jpg

    and we are not done yet. There will be a rail, the aft most pole will be round about there and the 2 ropes through the pole will meet the deck somewhere close to the lever, these ropes need to stay clear away of everything else.

    rail.thumb.jpg.b55fd6fe19fbf4459450f8d54cd51c6e.jpg

     

    I need a leap of faith I think and start drilling.

     

    Michael (and everyone else), common blocks will do to guide the sheets when they meet the deck or do I need to make some special sheaves/blocks?

  4. I think it is time for another post. Michael and Mark, again many thanks for your comments. 

     

    I ve spent some time thinking about things, searching the net and reading. When I started building this boat, I wanted to make it as complex as I could, so I could learn. But it is still a small 7 m boat so space is very limited.

     

    Regarding the main sail, I did not make it very well thus the sag. Lifting the gaff does not correct it, it is not square enough. Now, the lacing, this is a misunderstanding from my side. I was not aware that it is kind of either or, outhaul or laced. I am now committed because the sail is full of holes and the boom full of hardware. I ll just pretend that the boat was built to allow the captain to use both ways and that the mainsail has had so much use that has stretched and needs changing. The sails will be furled either way. 

     

    Regarding the rest

     

    1. Cleats will be moved to the outside of the coaming, with one cleat added to the side of the cabin

    2. The outer jib sheet will course on the outside of the shrouds. Indeed this sail is set very loose so the sheet will not rub on anything.

    3. Mark you are very right, Tom Cunliffe I thinks calls blocks on clews "widow makers". Still, looking on photos, many large sail boats use them. In all honesty however, I think for this size boat a simple sheet with no blocks at all should be enough. 

    4. On the forestay (inner jib) I will reduce the power of the blocks, a 1:1 system should be enough

     

    I played around on the boat, trying to arrange the eyes and sheets so that they don't rub. I think it will work but at the stern, everything will be very camped, mainly due to the highfield levers that take on a lot of space and need to move without catching.

     

    I tried to tape things and have a complete rigging before I do anything irreversible but it is impossible as strong tape will lift the varnish and low tuck tape cannot hold thing firmly. So I will need to drill and install a few things. I think I will start with the eyes for the sheets of the 3 foresails and also I ll install the cleats.

     

    In summary, could I ask for your advice on the following:

     

    1. Is it ok if the flying jib (the middle jib) is sheeted straight without any blocks/purchases?

    2. When the sheets reach the deck, do they need to go through a block/sheave or is a simple brass ring/tube like bellow adequate?

    20200618_182735.thumb.jpg.d1bfd8e9a1b817250f3832947c6d0b26.jpg

     

    Regards

    Vaddoc

     

     

  5. Bob, it will be interesting to see how many coats you ll need to cover the grey primer. Hand brushing it took me a dozen or so

     

    Regarding marking the waterline, this is the method I used. Advantage that you can just wipe it clean and start over. 

    https://modelshipworld.com/topic/18455-another-way-to-mark-the-waterline/?tab=comments#comment-567858

     

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