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June 6, 2025
Sven Yrvind – Page 10
Creating subdivision for the water storage and plying with the sliding hatches.
To keep the water jerry cans in place and to have a place to fasten the lids subdivisions is being created. The first one is a longitudinal. Then there be more athwart ones. one end of the lids have pegs that will be inserted into the side panels. The othe...
A question to my viewers
A question to my viewers. It is about twin keel craft taking the ground and antifouling. When a twin keeled craft takes the ground. It will rest on its keels. Thats the idea. But the keels like the part of the boat below the waterline is painted with antif...
Making the plastic jerry cans fit.
Changing my route makes it advisable that I also change my boat. The much shorter route via Cape Horn means that I now can carry fruit. To create a place to put the fruit I have made the foot end of my bed more narrow. Before it was 80 cm vide, now it is 6...
Doing subdivisions. Nothing special.
Now comes a period of routine work. The accomondation is repeat. Today 4 subdivisions are tacked into position. More is to come. I have laminated one sheet of H 200 Divinycell 20 mm on its two sides with NM-epoxy and 450 gram 45°X45° glassfibre. I think ...
Same as yesterday plus fumed silica.
Today is same as yesterday. Added is fumed silica as one person asked what I use for fillet. I mix it with NM-epoxy. It works well. Below is from Wikipedia: Fumed silica, also known as pyrogenic silica because it is produced in a flame, consists of microsc...
No one number can give the size of a boat
How big is a boat. Will your new boat be bigger? Lenght is the number mostly given. It is easy to measure and most boats are similar so it kind of works. But when boats do not conform no one number is good. Here I compare my boat and Perrys boat. My boat i...
All the subdivisions for the water cans now done. But problems the batteries do not fit their space
All the subdivisions are now done. I have been more lucky than I rightly deserve. The forward ones got squezed in just. No little margin left. I will try to move the batteries to the back below the seat. I am considering an electric motor for landfall use ...
The last compartment under the bed is now subdivided.
All the subdivisions below the bed is now done. As said before the battery is moved to the dining room below the seat. It will be lead batteries. Now with the twin keels I do not need the them as ballast but I do not trust lithium. I think lithium works 99...
Hatches under the bed. I will sleep on them
There will be 2X6 = 18 hatches under the bed. Secured with pegs and screws. The extra 30 mm Divinycell will give extra insulation below my back. Previus boat did not have this useful arrangement. Up in the cold waters near Iceland condensation and mildew f...
Gluing the Tufnol reenforcement.
The hatch covers will be secured and hold down by pegs in one end and two 70 mm long M8 countersunk skrews on tjhe other end. To take the heads of the screws a long piece of Tufnol is added. For more see Yrvind.com There you can support my project with do...
Another small step Laminating the top of the bed
As Henry Ford said: Nothing is difficult if you divide it into small steps. Here is the top of the bed getting laminated. Also the first small step for the 24 pegs that will hold one end of the hatches. 100 mm long diameter 20 mm inserted about 70 mm.
The bottom of the bed is in place to be marked. Me testing it. I am satisfied
Now I have put the Divinycell panel in its place. The bed is now as it hopefully will be except that the bottom piece will be cut into 12 separate hatches. Plans for that are done. For more see Yrvind.com There you can support my project with donations via...
The Divinycell of the bed is now made into 12 hatches and pegs areinserted.
I have now cut the big Divinycell under the sleaping bed into 12 hatches. One end are reenforced with Tufnol to take two screws the other end have two deep pegs that will go into the sidepanels of the bed. The things, water and other stuff in the 12 compar...
The long M8 insert nuts
This is the beginning of the production of the 25 long M8 nuts. I have chosen M8 screws becouse they have more pitch compared to M6. They need fewer turns to be installed. They are also more robusts. The threads are less likely to get damaged. There are qu...
The long M8 insert nuts, production.
There are many steps to make the 25 long M8 insert nuts. In this video Peter is showing how I do it on my Blomqvist lathe. For more see Yrvind.com There you can also support my project by donations via Pay pal and Swish 0706 200 550
The first pegged hatches in place
The first hatches have now been placed in their position. Holes for the pegs are drilled in the side panels. It seams to work but some adjustments are needed to get good funktion. For more see Yrvind.com There you can also support my project by donations ...
Textile/Epoxy strongpoints once again.
Textile strongpoints are light strong cheap and easy to adapt to specieal needs. Working with composite sandwich construktion even wood and in general. A general rule is to spread out the forces as much as possible. Here I use polyester rope in NM-epoxy. I...
More on hatches. The holes for the pegs are done and tested. Everything with much margin of safety.
More on hatches. The weight of the water in the bog hatches is about 17 kilos. This video shows how just one hole for the peg holds my weight at least 70 kilos with shoes and things in my pockets so no worries. For more see Yrvind.com There you can also su...
The M8 long bronze insert nuts are ready to be inserted fixed with NM-epoxy.
The M8 long bronze insert nuts are ready to be inserted and fixed with NM-epoxy. To prevent epoxy to get into the threads M8 screws are in the threads. To prevent that the screws get stuck they are sprayed with Teflon spray and the the bronze threads are s...
Today the bolts was unscrewed from the insert nuts. It went very easy.My worry had not been needed.
Today I unscruwed the bolts from the insert nuts. It was the first time I was using Teflon spray. Previus for many years I have been useing Teflon tejp. Teflon tejp works well but it is tricky to get it right especially like here with long threads and a sl...
Again more small steps for the hatches. Axel did the camera work.
Here are a few more steps for the hatches. Luckily Axel the flour board man arrived at the building today for a meeting. Despite he is only 22 years old he understand how to use the telephone as a camera. Brave youths of today. For more see Yrvind.com Ther...
Killing a darling, once more
Tonight the plans for killing once more a darling was drawn up. Calculations were made and finally I decided to go ahead. The victim was the side by side sails. They will be replaced by in line masts. The main motiv was to be able to better change the cent...
Strenght of the fillets holding the water divisions.
One of the commentors said that my fillets were not strong enough. My first reaction was to ansver that they were strong enough. But after a secound of reflection I realised that I in fact did not know just how strong my fillets were. And for once I kept m...
Freestanding mast on deck that do not interfere with the accomodation. The bedroom in this case.
The original idea of the side by side masts was that they should not interfere with the accomodation. They proved excellent for downwind sailing also in combination with a bow centerboard. Now the bow centerboard is replaced by ballasted twin keels. That m...
Why balanced lug sail rig for Exlex.
Wave Rover have suggested that I chose junk rig for my boat. Here is is the text for those who have problems understanding my muttering: Rigs junk, Ljungström balansed lug. Wave Rover suggested the junk rig. I have considered the junk rig. In my case wha...
Done, the bronze twin keels, cast and delivered. Great day, a big event.
Today I was up early. Håkan my friend drove me to Lammhults Gjuteri to collect the cast bronze keel. A very good job had been done. We loaded the keels in Håkans van. 75 kilo each within one kilo difference an excellent result. The surfaces was nice and ...
More sail area says John Welsford. Yrvind is listening.
In a comment yesterday John Welsford, desinger suggested that I should increase the 2.7 sqare meter sail area of the three sails to 4 square meter. I fact in the video of 6 April at 3:54 min I showed the model with three 4 square meter sails but then I got...
Four strong points for the safety belt.
With the bed mostly done it is time for the side compartment. While it is still space to work I do the four strong points for the safety belts. They are designed to be more than strong. They are designed to give peace of mind in a storm, like the rest of t...
Safety belt one more small step and some reflections on their use.
Here is one more step on the construction of the strong points for the safety belts. One commentator expressed the opinion that they were to high. For maximum safety that is true. But comfort have to be considered to if frequent use of them will be made. I...
More NM epoxy. I try to replace the bowline with the Carrick loop and more on the safety belt.
Today long video. As I was working on the safety belts strongpoint a knock on the door. It turned out to be more NM-epoxy. Much appriciated. I also have the idea of replacing the bowline with the Carrick loop as. The Carrick loop is a bit more safe as it i...
Done, the safety belts
The final touches on the safety belts are now done. One less thing to do. On to next thing. For more see Yrvind.com There you can also support my project with donations. via Pay pal and Swish 0706 200 550
Routine work on the accomondation. Boring to watch.
Work on the accommondation is much the same from day to day. It is boring to watch but have to be done. One have to figure out future use of the spaces to devide the avaliable space into the most useful function. I have been sailing for many ears in simila...
Twin keels in the outside skin, good idea or unsafe ?
In the comments some asked how I intended to attach the twin keels. 1986 I buildt my first boat of Divinycell and NM-epoxy. She had a bow centerboard and a 150 kilo bronze shallow keel. she was 4.8 meter long 15 feet. I sailed her from France to Ireland an...
Here is me begging for donations. Also Stovage for charts, computer and note pads with 5 mm squares
Peter wife have been baking a cake for me. The reason: I have been begging for a cake. I am running out of money because due to corona I have had no work for more than two years (except for one single video that did not pay much) and no one buys my books a...
Thanks to all the generous donations. Also a lid for the hidden sardine hatch
First I like to thank every one for the very kind respons to my begging for donations a lot of people have given a lot of money. Lately I have been worried about my economy as for more than two years due to corona and that my publisher refuse my manuscript...