Sven Yrvind – Page 49

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20 August 2022 Attachment ponts for the control lines to the centerboard.
Sven Yrvind
20 August 2022 Attachment ponts for the control lines to the centerboard.
Now the attachment point for the control lines to the centerboard are in epoxy. The one in the upper bow is sawn with the help of the epoxy needle. It went well. I intend to use epoxy needels also for the rub rail that will incorparate webbing. Tomorrow I...
  • Aug 20, 2022
  • Language: EN
  • Play Time: 00:02:20
19 August 2022 It is an epoxy needle the advantage, it has the same diameter as the string.
Sven Yrvind
19 August 2022 It is an epoxy needle the advantage, it has the same diameter as the string.
I keept you in suspension. To tell the truth I thought that I was going to do the real thing today but then I realised the bow was not strong enough. So instead I made a trial run just to show tha principle and I am at the same time reinforcing the bow nea...
  • Aug 19, 2022
  • Language: EN
  • Play Time: 00:06:38
18 Aug 2022 The controlling lines for the centerboard The final test. + Bonus
Sven Yrvind
18 Aug 2022 The controlling lines for the centerboard The final test. + Bonus
It is important that the controll lines for the centerboard runs smothly and do not interfere with each other. Normally a centerboard only have one control line relying on gravity to lower the board. Exlex is however desinged for heavy weather, designed in...
  • Aug 18, 2022
  • Language: EN
  • Play Time: 00:02:10
17 August 2022. Several kind people have expressed concern about the pressure of the expanding foam.
Sven Yrvind
17 August 2022. Several kind people have expressed concern about the pressure of the expanding foam.
The centerboard trunk did withstand the pressure of the expanding foam with a good margin. To tell the truth I did not think that it would be a problem but when surfaces are concerned even a small pressure over many square centimeter gives a lot of force. ...
  • Aug 17, 2022
  • Language: EN
  • Play Time: 00:05:51
16 August 2022. Foaming the port and starbord sides of the bow.
Sven Yrvind
16 August 2022. Foaming the port and starbord sides of the bow.
Now the foaming is nearly complete. I have been back to Anders to get more polyurethane with my bicycle the cans fitted well into the basket. Peter have been helping me with the mixing. Things have to be done quickly. We could have been done it faster afte...
  • Aug 16, 2022
  • Language: EN
  • Play Time: 00:05:24
15 August 2022 Something about the polyurethane foam.
Sven Yrvind
15 August 2022 Something about the polyurethane foam.
Today a mix of different small jobs. I have been to the polyurethan factory to get more infofrmation aboaut the foaming and a sample to test the product. As with other chemical reaction once you have mixed the ingredients it is no going back. Also I have b...
  • Aug 15, 2022
  • Language: EN
  • Play Time: 00:01:50
14 Aug 2022 Port side and securing centerboard disk.
Sven Yrvind
14 Aug 2022 Port side and securing centerboard disk.
Regarding the bow todays work is much the same as yesterday but for the port side of the bow. It went well. In adition I put a strip of glasfibre between the hull and the the trunk covering it with peel ply. Also just to make sure I put six 12 mm G11 rods ...
  • Aug 14, 2022
  • Language: EN
  • Play Time: 00:02:44
13 August 2022 preparing for for filling the bow with high density 2 component polyurethane foam.
Sven Yrvind
13 August 2022 preparing for for filling the bow with high density 2 component polyurethane foam.
I plan to fill the bow with high density 200 kilo per cubic meter expanded two component polyurethane foam. That will increase the strenght of an already strong boat, but thats not the reason I am doing it. The reason is to make the boat clean with no hidd...
  • Aug 13, 2022
  • Language: EN
  • Play Time: 00:04:57
12 August 2022 The centerboard is in place and works to my fully satisfaction.
Sven Yrvind
12 August 2022 The centerboard is in place and works to my fully satisfaction.
The centerboard is now in place and works to my fully satisfaction. I belive it is the best centerboard ever that I have done. There is no fulcrum pin that is difficult to get at. The control lines are fully accesible. Even if the should break the center...
  • Aug 12, 2022
  • Language: EN
  • Play Time: 00:03:15
11 August 2022 Opening the slot very carefully as not to damage the trunk sides.
Sven Yrvind
11 August 2022 Opening the slot very carefully as not to damage the trunk sides.
Today I have opened the laminated slot with care as not to damage the trunk sides. All went very well. I finished with sandpader on a piece of wood to get the outside laminate in line with the inside of the trunk. If you’re interested in contributing lin...
  • Aug 11, 2022
  • Language: EN
  • Play Time: 00:02:16
10 August 2022. Reinforcing the bottom of the CB trunk with 5 more in addition to the 2 yesterday.
Sven Yrvind
10 August 2022. Reinforcing the bottom of the CB trunk with 5 more in addition to the 2 yesterday.
The two layers of glassfibre I did yesterday with the boat on even keel is now supplemented with five more 450 gram. It is so much more easy to work with the help of gravity that I suggest that anyone starting to build a boat first figure out how to rotate...
  • Aug 10, 2022
  • Language: EN
  • Play Time: 00:01:10
9 August 2022 Closing the CB slot temporalily to prevent epoxy from enter the trunk when laminating
Sven Yrvind
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...
  • Aug 09, 2022
  • Language: EN
  • Play Time: 00:02:04
8 August 2022 The centerboard trunk gets Divinycell and thick NM epoxy from outside to be strong
Sven Yrvind
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...
  • Aug 08, 2022
  • Language: EN
  • Play Time: 00:02:30
7 August 2022 The weight and installing of CB trunk +bonus improving the bycycle light
Sven Yrvind
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...
  • Aug 07, 2022
  • Language: EN
  • Play Time: 00:11:04
6 August 2022. The last lamination on the trunk. Most easy so far.
Sven Yrvind
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...
  • Aug 06, 2022
  • Language: EN
  • Play Time: 00:01:33
5 August 2022 A simpler way of doing fillits use the brush.
Sven Yrvind
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...
  • Aug 05, 2022
  • Language: EN
  • Play Time: 00:01:37
4 August 2022. Just a small step, nothing much.
Sven Yrvind
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 ...
  • Aug 04, 2022
  • Language: EN
  • Play Time: 00:00:28
3 August 2022 Laminating the aft part of the centerboard trunk.
Sven Yrvind
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...
  • Aug 03, 2022
  • Language: EN
  • Play Time: 00:01:24
2 August 2022 Cutting the CB in G 11 epoxylaminate. A mistake and a close call on the CB-trunk.
Sven Yrvind
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....
  • Aug 02, 2022
  • Language: EN
  • Play Time: 00:03:19
1 August 2022. Yrvind showing Sam Holmes his workshop and some of the tools and machines.
Sven Yrvind
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...
  • Aug 01, 2022
  • Language: EN
  • Play Time: 00:12:14
31 July 2022. Sam Holmes and Yrvind talks about structures, beams, I-beams, the Divinycell advantage
Sven Yrvind
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 ...
  • Jul 31, 2022
  • Language: EN
  • Play Time: 00:05:40
30 July 2022. Handling storms. Yrvind and Sam Holmes.
Sven Yrvind
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
  • Jul 30, 2022
  • Language: EN
  • Play Time: 00:07:20
29 July 2022. Seaworthiness with Sam Holmes. The importance of keeping the saltwater on the outside.
Sven Yrvind
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...
  • Jul 29, 2022
  • Language: EN
  • Play Time: 00:07:38
28 July 2022. Sam Holmes have made an introduction to my sailing.Here it is.
Sven Yrvind
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...
  • Jul 28, 2022
  • Language: EN
  • Play Time: 00:16:50

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