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June 15, 2025
Sven Yrvind – Page 12
6 July 2022. Rope being glued on by help of cable ties. Big hatch twice around for better grip
Three reasons for the rope. It gives the edge a bigger radius making it smother and thuse more kind to the canvas. The flange on the coaming makes a very good handhold. On the big coaming I put the rope twice around to get an even better grip. Handhold goo...
7 July 2022 Tacking up the coaming for the for bulkhead.
I have been grinding the small coaming and tacking it into place. The NM-epoxy should have cured enough by tomorrow to allow me to try it out. The comes a bit of work to convert the square hole to a round one. With composite NM-epoxy and Divinycell I see n...
8 July. Fore bulkhead hatch have enough space. Bonus gives excellent handholds.
I have now tested the fore hatch. I am pleased. It is easy to pass through. A bonus is that the rim gives a good handgrip even better than expected. At sea I am crawling around a bit as one imagines a monkey. My upper body gets very strong becouse I always...
9 July 2022. Making a cirkle of the rectangle by adding corners.
I am now adding corners to the coaming. Deviding the task up into small jobs one step at the time. Today the bottom ones are in place. Then I will cut out a bit of the middle stright and adding glassfibre to the Divinycell core. For more see Yrvind.com The...
10 July 2022 Just an other small step.
Been cutting of the lower part of the square opening to making it circular and laminated the bottom part. One more of those small steps that builds boats. Fore more see Yrvind.com There you can support me with donations via Pay pal and Swish 0706 200 550
11 July 2022. Mock up of the deck hatches.
To be one step ahead I already do the mock up for the beckhatches. Inspired by the bulkhead hatches I now intend to do also them circular. Openings on previus deck hatches have been 45 X 40 cm starting with the first Bris I started to build Midsummer 1971....
12 July 2022 More work upside down and how I got the idea.
It was 1968. The year of the student revolution. I was cruising in Anna a 4.25 meter boat I had converted to a cruiser. I had met Martine a French girl she was helping me to translate Moitessiers books Une Vagabound de mer du syd and Cap Horn à la voile :...
13 July 2022. Unboxing composite details from Elisolation Laxå. And laminating the circular.
Today I got G 11 rod 12 mm and laminates 30 mm. There is also rods of phenolic laminates like Tufnol. Those are for the centerboard and its trunk. The laminates I will shape into U for the pivot to rest in. They will be glued to the trunk. The pivot will...
14 July 2022. Turning the boat. Long and boring. But speed it up or just watch beginning middle end.
I got nervous when so many people watched that I messed it up. I tried a short cut but the chain is to short to do it in one step. It thus took much longer not only to do the video but also to get it out on internet. You can speed it up and just look begin...
15 July 2022. Unboxing barometers from Navinordic. Making me able to know the coming weather.
Today I got two barometers from Navinmordic. For many years I have ignored barometers thigking like a stoic, weather I cannot do anything about it anywhy often not having a barometer onboard. However now a change of wiuv my intention is to try to predict i...
16 July 2022. Good news. A book of mine is now published in Russian.
Good news. A book of mine is now in Russian language. Only the many pictures is understandable. I think it is a good thing that my ideas about small simple boats is being spread wide in the big world. It helps people to sail the deep blue endless eternal s...
17 July 2022. A new idea for the centerboard. Pivoting but no pin. Can be removed like daggerboard.
Here is a new idea for my centerboard. It solves two big centerboard problems. That they cannot be removed like a daggerboard. That the controling lines are very difficult to acces. The solution is to use a 30 mm thick 120 mm diameter disc attached to th...
18 July 2022 Monday More about the centerboard
Here is more on the mockup. If you forget a detailj. The mockup vill tell you. He is honest. It was a little bit to short between the groove and the pully. I decided to move the groove. Change the angle to increase the distance to the haul down. to get mor...
19 July 2022. Not much just a simple homemade device for finding the center of a disc.
I need to find the center of the Tufnol disk I will attach to the centerboard. If the chuck on my lathe was taking larger diameter pieces that would be more easy. I can change the holders in the chuck and then change them back but this method is much quick...
20 July 2022. Tweaking the mockup.
I have now done some adjustments to the mockup. Things looks OK. There will be more as I convert it to composite. For more see Yrvind.com There you can support my project with donations via Pay pal and Swish 0706 200 550
21 July 2022. The wear resistance of Tufnol. Also the mockup now works to my outmost satisfaction.
Here is about the excellent wear resistance of Tufnol. I am convinced that it will not let me down. Also after many many iterations the centerboard mockup now works to my complete satisfaction. In my wiev it is a good thing to spend several days working o...
22 July 2022. 83 1/4 year old today. Donate help me continue to build and make short videos. Thanks.
I am very grateful to everyone that have supported my project with donations via Pay pal and Swish 0706 200 550. There is a button on my site Yrvind.com Also on the launcing page of this channel. Up to three years ago I was able to support myself via publ...
23 July 2022 . Now a video with content More on the groove in the centerboard trunk.
Thanking all the generous people for the donations yesterday as I was celebrating 83 1/4 of good life. Next begging will be August 22 when I will be celibrating 83 1/3 of good life. Todays video is about the groowe in the centerboard trunk. The groowe serv...
24 July 2022 More on the centerboard case Starboard side bottom part.
Not much. This work is mostly to put a bottom to the groove. But also to make the upper part even to take the part where the ropes are.
25 July 2022. Gluing upper part of starboard centerboard trunk side using my big clamps. Plus bonus.
Today I have glued the top part of the starboard side of the centerboard trunk. I needed ny deep klamps. They are so heavy that I have to use strenght to handle them. Thanks to keeping fit I had the necessary strenght. Also today you are in luck an extra v...
26 July 2022. Trying to get the starboard side of the centerboard trunk into position. Not done.
I am trying to get the starboard side of the centerboard trunk int position. A lot more of shaping the side and the slot is required. To fit a three dimensional part is more difficult than to fit a twodimensional part. many more small steps are needed. If...
27 July 2022 A sheet for a new mockup centerboard Also Sam Holmes just arrived for visiting me.
The centerboard mockup is nearly good but a bit of tweeking will can still be made. The real centerboard will be made of 10 mm G11 epoxylaminate. I like to try it in the real centerboard trunk. I do not have any plywood left but I do have some pieces of p...
28 July 2022. Sam Holmes have made an introduction to my sailing.Here it is.
To get an overviuw Sam Holmes have made an introduction for people who are new subscribers, and I hope there will be many. Enjoy. If you’re interested in contributing links are below. https://www.paypal.com/donate?hosted_button_id=2MYSYADM4594Q Swift 07...
29 July 2022. Seaworthiness with Sam Holmes. The importance of keeping the saltwater on the outside.
Sam is still here. Today we talk about the importance of keeping the saltwater on the outside. If you kan keep the water on the outside. The passage will be much pleasant. If you’re interested in contributing links are below. https://www.paypal.com/donat...
30 July 2022. Handling storms. Yrvind and Sam Holmes.
Yrvind is telling Sam Holmes aboat his Ideas of handling storms. If you’re interested in contributing links are below. https://www.paypal.com/donate?hosted_button_id=2MYSYADM4594Q Swift 0706200550
31 July 2022. Sam Holmes and Yrvind talks about structures, beams, I-beams, the Divinycell advantage
Divinycell sandwich construction is amazing. It gives you strenght, insulation and flotation all at once. Shore a metall boat is strong but you have to insulate it well especially if you intend to sail in high latitudes. Do not let there be any cold spots ...
1 August 2022. Yrvind showing Sam Holmes his workshop and some of the tools and machines.
Here I give Sam Holmes a guided tour of my workshop and show him some of the machines I am using. I have been building boats in many places. First outside, then the the first Bris in my Mothers basement, then an aluminum boat in Vetlanda. Then for ten year...
2 August 2022 Cutting the CB in G 11 epoxylaminate. A mistake and a close call on the CB-trunk.
With the mockup as a pattern I draw the shape of the centerboard on the G 11 epoxylaminate. It is very hard and difficult to shape but modern tools like jigsaw blade covered with carbide-tungsten grit made it much more easy than outherwise would have been....
3 August 2022 Laminating the aft part of the centerboard trunk.
This video shows the result of laminating the aft pat of the centerboard trunk. The fore side is planned to be donne tomorrow. After that it is time for the port and starboard side. By dividing the job into many small ones it becomes simple and I have more...
4 August 2022. Just a small step, nothing much.
Here is one more step in making the centerboard trunk strong. The foreward vertical side gets laminated. Part of it is open as the bow will be part of the trunk to bet as much as possible space for the control lines. If you’re interested in contributing ...
5 August 2022 A simpler way of doing fillits use the brush.
Doing fillets and laminate the starbord side of the centerboard trunk. There are many videos on how to do fillets. They tell you to put the thickened epoxy in a bag, cut a corner of it and squise the epoxy into the place then use a tool with the appropriat...
6 August 2022. The last lamination on the trunk. Most easy so far.
Today I did the last lamination on the centerboard trunk. The most easy of them all. Tomorrow it will be exciting. Hopefully I can put the trunk in the bow of the boat and get it lined up in all three degrees of freedom. If you’re interested in contribut...
7 August 2022 The weight and installing of CB trunk +bonus improving the bycycle light
The centerboard trunk is now in place. Its six degrees of freedom are gone she is now fixed in the relation to the boat. I lined her up as good as I could. I do not think it is ultra important. A boat moving on a wavy ocean is not a symmetrical object. Bon...
8 August 2022 The centerboard trunk gets Divinycell and thick NM epoxy from outside to be strong
Yesterday the centerboard trunk was fixed in lined up position. Today I turned the boat upside down and filled the gaps with Divinycell and thickened NM-epxy. This metod of building boats is so very easy and gives so good results that it is terrific. Tomor...
9 August 2022 Closing the CB slot temporalily to prevent epoxy from enter the trunk when laminating
Next step is to laminate the bottom oc the centerboard trunk and get it attached to the outside laminate. To do that I like the boat to be upside down. That makes the work so much better. But with the boat upside down NM-epoxy will get into the centerboard...