I’m really interested in how effective you found the wind meter? Do you think it would be able to provide live VMG data that can be used to tune our upwind performance?
Yes that is the goal, to get live VMG data. Accuracy however still needs to improve. e.g. Sailmon mentioned to me they are working to enhance their TWA correction, which is required because wind upwash is influencing the apparent wind direction even in front of the sail. you can view a polar diagram created from this sailing session here: atterwind.info/polar?id=42791414-e96c-4559-a3d6-10552fef8975 and some faster sailing here video: th-cam.com/video/fDrksMaWagE/w-d-xo.html corresponding polar: atterwind.info/polar?id=45309125-0696-47f4-8da6-af366009036f.
Hi again, I hope you don't mind helping. What materials should I use for 3D printed parts? I asked printing services and one suggested ABS but they said they look brittle after printing. Another company suggested CF Nylon but the first company said Nylon absorbs water and will go soft.
@@flyinggorilla Is any ASA ok? One of the services that I found here sent me material data sheet for Stratasys ASA to look at and approve but I have no idea what to do with it. That's the ASA they have. Thanks in advance.
@@raulximenezsailing i cant tell for sure, but lets assume it works fine. the datasheet should read UV proof, as thats the most important. ASA in general has higher melting temperature than PLA (so it wont melt/bend under the sun) and mechanical properties are typically good enough with ASA.
Does the anemometer and GoPro part of the mount slide into the carbon rod or do I cut a rod in half and insert them? Are they glued on to the rod or rather how are they attached to the rod? Thanks.
the anometer/gopro mount is 3D printed as a single piece and slides over the single-piece carbon rod. there is a single 2mm drill hole into the carbon rod for a screw that locks the 3D printed mount in place. The 3mm screw goes through the open middle of the calypso mounting thread (so its hidden once everything is mounted). The forestay mounts for the carbon rod are each 3 pieces with 2 screws each that clamp the rod and the forestay. hth, best, fg
@@flyinggorilla thanks. What are the size of the nuts and screw on the parts that clamp the forestays? So just a self tapper would do for middle piece? Thanks
@@flyinggorilla Thanks again. Will wait for info. I could not find a 17mm carbon tube here so I might have to ask the 3D printing service make the inside diameters to fit a 16mm tube.
@@raulximenezsailing i used a single layer of self-vulcanizing tape as anti-glide (grip) inbetween the rod and the clamps. i could imagine that using a bit more of that tape could make up for the 1mm. just and idea.
Amazing 👌looks way fun and demanding
Excellent job and super flight! Very well done!
I’m really interested in how effective you found the wind meter? Do you think it would be able to provide live VMG data that can be used to tune our upwind performance?
Yes that is the goal, to get live VMG data. Accuracy however still needs to improve. e.g. Sailmon mentioned to me they are working to enhance their TWA correction, which is required because wind upwash is influencing the apparent wind direction even in front of the sail. you can view a polar diagram created from this sailing session here: atterwind.info/polar?id=42791414-e96c-4559-a3d6-10552fef8975 and some faster sailing here video: th-cam.com/video/fDrksMaWagE/w-d-xo.html corresponding polar: atterwind.info/polar?id=45309125-0696-47f4-8da6-af366009036f.
Hi again, I hope you don't mind helping. What materials should I use for 3D printed parts? I asked printing services and one suggested ABS but they said they look brittle after printing. Another company suggested CF Nylon but the first company said Nylon absorbs water and will go soft.
I use ASA. Formfutura ApolloX ASA is UV and water resistant. It prints much easier than ABS and is tough.
@@flyinggorilla thank you.
@@flyinggorilla Is any ASA ok? One of the services that I found here sent me material data sheet for Stratasys ASA to look at and approve but I have no idea what to do with it. That's the ASA they have. Thanks in advance.
@@raulximenezsailing i cant tell for sure, but lets assume it works fine. the datasheet should read UV proof, as thats the most important. ASA in general has higher melting temperature than PLA (so it wont melt/bend under the sun) and mechanical properties are typically good enough with ASA.
Does the anemometer and GoPro part of the mount slide into the carbon rod or do I cut a rod in half and insert them? Are they glued on to the rod or rather how are they attached to the rod? Thanks.
the anometer/gopro mount is 3D printed as a single piece and slides over the single-piece carbon rod. there is a single 2mm drill hole into the carbon rod for a screw that locks the 3D printed mount in place. The 3mm screw goes through the open middle of the calypso mounting thread (so its hidden once everything is mounted). The forestay mounts for the carbon rod are each 3 pieces with 2 screws each that clamp the rod and the forestay. hth, best, fg
@@flyinggorilla thanks. What are the size of the nuts and screw on the parts that clamp the forestays? So just a self tapper would do for middle piece? Thanks
@@raulximenezsailing I think it is 2 pieces of M4 nut, 25mm thread length M4 screw per clamp. I can double check next week if required.
@@flyinggorilla Thanks again. Will wait for info. I could not find a 17mm carbon tube here so I might have to ask the 3D printing service make the inside diameters to fit a 16mm tube.
@@raulximenezsailing i used a single layer of self-vulcanizing tape as anti-glide (grip) inbetween the rod and the clamps. i could imagine that using a bit more of that tape could make up for the 1mm. just and idea.