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Hello, I would be happy to know, what glass type and weave are usually meant in the plans (DUO 480 in my case). For example - if in the materials list written 220gr glass, what is the glass type (E-Glass or S-Glass) and weave (Twill, Bi-Axial 45-/45+, etc...) should be used. Another question is regarding epoxy specifications. There is an extremely cheap resin sold in my area named KUKDO YD-128, which is 4-5 times cheaper than other brands. But the specifications are 30% weaker. Would the numbers suffice for a build like DUO 480, or should the best available epoxy used? Thanks alot, Eli.

Hi all, I am Alain. I live in Singapore, moving to Thailand hopefully by end of the year where I am planning to build a boat. This is my first post on this forum. I have been looking around for different possibilities and, at this point, I have narrow it down to Bernd Kohler's catamaran designs after considering James Wharram's Tiki range for a while. At this stage, I am basically looking to build my own training ground to progress toward getting a larger boat for liveaboard and long distance travel. For now it will be local costal cruising and a few passages across the region. I want a simple boat that is comfortable in tropical climate with a lot of desk space and with some sheltered area for sun and rain. When I look at the K-Designs range I am attracted by a few models: 1) DUO1000: I like the permanent rigid bimini and rigid deck as well as the general design and accommodation however this is going to be too costly and large for my purpose 2) DUO900: I like the lack of daggerboard, the overall design with the relatively wide cabins and the cockpit protected right behind the companionway but I am not too keen on the tarpaulin at the center of the boat and feel the hull might be unnecessarily narrow when compared to the asymmetrical designs of KD650 and KD122. I ordered the study plan a couple of hours ago. 3) DUO800S: I like the biplane rig but I am not keen on the central pod and there is not enough space in the hulls without it. I ordered the study plan a couple of months ago as it was my initial pick. So now I am envisioning a DUO900 with a few modifications: a biplane rig, possibly a junk rig for that Asian vibe, low cost and ease of use hulls having the same aspect ratio as KD122 to be able to carry more weight and focus on comfort rather than ultimate performance and possibly a slightly wider cabin with a 1.5m beam as there is not too much trouble driving a 3m wide trailer a couple of time a year if needed. If I wanted something really trailable and go everywhere I would settle for a Corsair trimaran. with a rigid deck in between the hull with some storage for ground tackle and kit forward and a bench aft some kind of bimini at the rear over the bench/cockpit area were I can also put PV panels on top So here are my questions: there are a few designer that have been doing conversion to junk rig that I could use. Anyone here have done that before? is it possible to "stretch" the hull by 20% sideway, i.e. getting the max beam from 1.25 to 1.5m. while keeping the length the same or slightly longer at the front to keep a fine bow. Is this possible without going through a complete redesign? from the DUO900 video, it looks like that the owner added a rigid deck to his boat. I imagine that the deck will have to be constructed around a core to have enough rigidity. Looking also for information here. For a bimini what would be the best construction, what height, width, position would be recommended. Thank you very much in advance for your reply. Best Regards, Alain

I'm searching for a builder with the time and skill to build a KD860 under contract. It would be great if someone from this forum has contacts. Thanks for help

Hi Bernd, even I know I finished some time ago, the internal work of the carpenters continues to complete the work on behalf of the customer. All the pieces made by me have been dismantled and painted, the KD 122 Italy is also close Except for the project, the work is all made in Italy.

Hello Mr. Bernd I already sent you that I purchased the plans for building the P95 some time ago, but what I received were pictures of the original plans that were hand-drawn. I would like you to redraw it using a modern planning program with some minor modifications that I want, along with attaching the automatic cutting file. I hope you can inform me of the fee required to complete this request. Stay well note: I previously sent you this request by mail and did not receive a response from you, so I sent it here to find out your response to this request