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Don Silsbe

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Posts posted by Don Silsbe

  1. I started on the bow roller.  Here, I’m gluing a triangular plate underneath the deck.  Next, I’ll add a knee.


    Since it is cool outside, the anchor locker is a mini-sauna.675C1BC6-9907-4AC6-85C2-BD70C4F5864B.thumb.jpeg.eb7409263af07fc0341d8eb1d905ab89.jpeg


    Once the way is clear, I want to ask y’all’s opinion on roller placement.  There are a few options, all good.

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  2. @PadrePoint— While you were eating, I found a photo of Gira Gira.  B9A52978-E7CB-49A4-ACD8-42E8D08BAACF.thumb.jpeg.a4d2251e94597842fff7b36589f64fe8.jpeg

    Incidentally, today, I bought the electrical conduit to try this out on Avocet (and maybe do it on Local Honey, too.  It does require running the mizzen sheet forward, up the sprit, and down to a fairlead/cam cleat on the thwart.  Fortunately, Avocet is already set up this way.  57CD6EFB-3F28-44F7-9FC4-E934CDB62BE7.thumb.jpeg.84a90b2c41de4f8675c623c457b39aca.jpegLocal Honey started out this way, 2797F7B1-E699-4724-BFDD-1EF9FD82A5D0.thumb.jpeg.0a9f83659dd4fbad28a78757d4a43200.jpegbut eventually I went with the mizzen sheeting shown on the plans.  I might need to switch back, it this works for preventing outboard motor fouling.

  3. I like the trapezoidal shape, Steve.  Avocet has a bridle that centers the mizzen.  For me, when you over-trim the mizzen, it generates less lift— there is no longer any air flow on both sides of the sail.  Another alternative is to reef the main, and run the mizzen without.  This is what the previous owner did, at least in this photo.  89F09350-C5ED-4930-9BC6-7EB0040D51EA.thumb.jpeg.c6fee61ac16d087f6ec2cc76359d5725.jpeg


    @Andy B— I wanted  so badly to keep up with your Sea Pearl!!!  But the tiller needed to be positioned as shown in this photo.  With the tiller in this position, it was generating a lot of drag.



    The first few CS17.3’s were built with the c/b in this position, including Avocet.  Once B&B realized what was going on, they moved the c/b forward 10”.  Basically, by design, the lateral resistance of the boat should line up with the lateral force that the sails apply on the boat.  When they don’t line up, you get windward or leeward helm.  This easy to say in a few words.  It is much more difficult to get it right on the drawing board.  With a c/b boat you can cure windward helm by pivoting the c/b rearward.  Leeward helm is more difficult to correct.

  4. As many of you know, Ted Johanson (Padre Point) has entrusted me with the care and storage of his lovely Core Sound 17 mk 3 Avocet.  The modifications will focus on organizing the numerous lines that are on this boat, and get them out from under foot. There are other mods on

    my list, such as adding a bow roller for an anchor, and moving the centerboard forward to eliminate the leeward helm.  We’ll see how far I get, before we take her to Florida to hang out with the boys and gurls of the WCTSS.


    I am posting this work in hopes that I can get some good feedback from the Mark 3 community.  


  5. I have a pair of 8’ oars on my Bay River Skiff.  They do a fine job.  I still feel that longer is better.  I have a pair of 9-1/2’s on my exercise skiff.  I need to try those out some time.  But the 8’s work great.


  6. What’s the purpose of the removable seat— to row facing forward?  If so, I’m not a fan for several reasons.

    1) You’ll be sitting too far aft for efficient weight distribution.  You’ll go slower for your effort.

    2) I think you’ll discover this rowing position to be more grueling that the traditional rear-facing one.  Time will tell.
    3) It is lubberly. 


    How many means of propulsion does one need on a boat?  With sails and a reliable motor, there are already two.  Some Mark 3’s have no oars.  Those who do have them are usually attend Water Tribe events.  My Catalina 27 did not have an oar or a paddle on board.  Why do I need one on a day sailor which already has a reliable motor?

  7. I went back and reviewed his video.  I see what you’re talking about.  I thought there was a strap that went from one gunwale, under the boat and around to the other gunwale.  This makes more sense.  Not sure if his method would work on my hard chined boat, though.  If I do another tent, I’d need to experiment.

  8. Just don’t do what I did.  I made one out of lightweight waterproof ripstop nylon.  And I didn’t fasten it well enough to the gunwales.  I tried using it in 15 mph winds— it was a joke.  Look at this video, with the sound up.  Not only was it noisy, but the tent lifted above the gunwales between the attachment points.  I am lucky I didn’t have rain.



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