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    Design principle of triangular rudder planform

    Recently saw a Cape North 43 on the hard (a design from Ted Brewer) with an interesting rudder planform. More designs from that era seem to have a rudder with a chord widening going further down, however mostly not this extend...
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    Identification gelcoat/balsa damage

    I ran across below artifacts on a boat from 1977 located in The Netherlands. Who recognizes this type of damage? This is the original, non-painted gelcoat. How could this be repaired to get a durable uniform gelcoat appearance? If not repaired, will this get worse over time or become structural...
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    Upgrading sailplan for an Oceanis 300 - CLR vs. CE

    I realize this post is well in advance of the discussion so far however it illustrates some ideas I have. I made some initial sketches and tried to do the lead calculations. I say tried because the lead calculations for the twin keels must be far off: even the current rig shows no lead. Seen...
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    Upgrading sailplan for an Oceanis 300 - CLR vs. CE

    Thanks for the welcome and very valid questions! I'll eleborate a bit. Your questions make me think as well... First a reaction on the intended goal/aiming for an overall improvement: above 9-11 knots of wind the boat is sailing fine and predictable. At least "it feels OK". My frustration...
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    Upgrading sailplan for an Oceanis 300 - CLR vs. CE

    This is my first threat here and is about upgrading the sailplan on my Beneteau Oceanis 300. I'll try to explain my ideas so far and the issues I'm struggling with. First some backgound. The Oceanis 300 is a detuned version of the First 310, the unstayed section of the fractional mast being...
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