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Bernd - any chance of a bigger nacelle with central standing room on the Duo 105. That was our biggest holdup on buying that design Best John Sent from my remote office

Hi Lukas, your offer is very tempting but I'm located in Berlin. In spite of this it would be nice if I may contact you by email or phone to talk about 3D print? (info_at_heimfried.de). My main focus

Hi Zee It is good to see your build coming along. And pics of your pride and joy, the big one. Very encouraging. My boat seems simple and very possible in comparison to the big one. Cheers Patrick

Hi Günter, I dont know where you are located at, but from your name and text it seems like german speaking area. I am currently not able to test a prop, but if you are in the vicinity of Vlbg. or

it took about a week for my post to appear. No longer a problem . All sorted. Regards Vlad.

Hi Vlat It is difficult to give good advice in this way. You changed the boat, and I have no clue what you did with the rig. As a hint. The foot of the jib must be short enough, so that you can have a

Hi Zee I like the small change you have made to the hulls. To the Geodetic nacelle. Interesting conversation. I gather, Domenico, the customer was falling over the nacelle. Funny, that customers

Hi Zee Congratulations on a great job. I'm also curious about how you build the central cabin. We had bought from Bernd and two projects Duo 800 and 900 but then the customer decided for the DUO 900

Hi Stéphane, hi Jack, it is not about to find someone who is ready to print it, but someone who is interested in printing, testing and developing a suitable prop in a kind of cowork. I don't have a

Thanks Bernd. What about using a smaller sized jib in stronger winds , do I need to shift a track forward a bit to be able to sheet it properly? On another hand? I am thinking about? ?about loosing

The following photos have been uploaded to the DUO 800S Australia ( /g/K-designs-Multihull-Sailboats/album?id=242878 ) album of the [email protected] group. *

I've ordered the 77/8 inch props with a Pitch of 7,5 inch. We will see how this works out... Regards, Jack

Hi Stéphane, the offer was not especially directed to you but to anyone in this forum who may be interested in printed propellers and trials about it. I addressed you because your remark "Many have

Ho!! That is a nice feature to have And like some have says With 3d print You can use it as a template to cast in and with aluminium ou brass Very easily I am to busy now to start project like that

Hi Stéphane, (I did answer to your post a few days ago, but the answer did not appear., So a second try.) To me the point is not to find anyone with a 3D printer, but someone who is really interested

Hi Zee Yes, you can be proud of this beautiful, big cat. You were also living for some years on this boat. Strange, we sailors have more or less the same cycle. Going from small in our youth, to

Hi Scooter , I am glad you like my progress so far ,and I hope that you will start building yours soon , so I am not alone in the whole world building that , haha . As for for the farm house , i think

thanks Bernd . This is my third catamaran (and smallest ) that I am building , among many dinghies and kayaks in the past . First big boat I built was based on Bob Orams design, 53 foot performance

Once you have designed and printed the prop you want cast it in bronze using lost plastic casting like here: https://www.youtube.com/watch?v=w3i8i-9bjqI&t=893s

Hi all, to give you an idea of what parameters are required or useful I add a pic of the input sheet. Additional a link to some pics of props, which are generated with this tool. These pics were only