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A brilliant idea from Clément Mougel France a kind of Spanish windlass tensioner for the lead.
Sven Yrvind

A brilliant idea from Clément Mougel France a kind of Spanish windlass tensioner for the lead.

Today greated me with an brilliant idea to tension the string to the leads. It came from France, from Clément Mougel. At first I did not understand it. I thought it was going to be too big, but more explanation made it clearer although being a slow thinker it took me some time to grasp the significa...
Planning water storage for the voyage.
Sven Yrvind

Planning water storage for the voyage.

I am aiming for the Pacific. To me Panama and Suez are not attractive. Besides the authorities do not permit small boats. I like open spaces therefore the polar routes north west and north east I will not use, besides its cold for a boat without heating. In the south there is a eastern route south o...
Preparations for the lead boxes and for the sleeping room.
Sven Yrvind

Preparations for the lead boxes and for the sleeping room.

Sandwich construction consists of a core laminated on each of its two sides. That takes time. However time do not neccesarily means work. My strategy is to work on several different parts at the same time. Now is the lead boxes saloon, sleeping and centerboard. Then the I laminate one side of a core...
One more simple step for the lead boxes and a new string arrangement 5.5 more wear resistant
Sven Yrvind

One more simple step for the lead boxes and a new string arrangement 5.5 more wear resistant

Peter is on holliday. Petter is an other friend. Petter made todays video, so thanks Petter. I have made a better string arangement. There are now two strings to each piece of lead and the strings diameter is increased from 3 mm to 5 mm. This means that their cross area have increased by the square ...
How I try to attach the copper tube bends for the lead boxes, the first steps.
Sven Yrvind

How I try to attach the copper tube bends for the lead boxes, the first steps.

I like to keep the distance between the three layers of the lead weights to the minimum. I put the bendt copper tubes in a sandwich panel with a core of ten millimeter. The copper tubes are also ten millimeter. Good for the minimum distance but difficult to glue them. To try to solve the problem I ...
A simple way to remove hardvare sett in epoxy.
Sven Yrvind

A simple way to remove hardvare sett in epoxy.

Now and then you like to remove a piece of metal hardvare set in epoxy. Heating puts it abouve the Glass Transition Temperature, the polymer melts and changes from an ordered structure to an amorphous structure and becomes soft and then it is easy to remove the hardvare. Here I use a wide heat but I...
60 years ago 1962 I left Sweden as Captain of my own ship for the first time. Now life is different
Sven Yrvind

60 years ago 1962 I left Sweden as Captain of my own ship for the first time. Now life is different

60 years ago I left Sweden as Captain of my own ship for the first time. Much have changed since then in some ways to very much better in some ways to the very much worse The boat was wooden now it is sandwich composite. This is a very good change. The sails was cotton now it is polyester fiber. Thi...
CB clarifying and bonus better bending
Sven Yrvind

CB clarifying and bonus better bending

Centerboards are wery good but since 1970 about racing rules penelise them. If I remember so did Dick Carter win the 1969 Fastnet with the centerboard boat Red Roaster. The English got so angry that when the IOR-rule in the 1970-s came centerboard boats was so heavily penelised that they went out of...
CB progress but still mock up. The idea is to find a simpler and safer line conduit.
Sven Yrvind

CB progress but still mock up. The idea is to find a simpler and safer line conduit.

Many years ago I was sailing with Peter Duff of Dovekie fame in his leeboard cruiser. He told me that one of the main reasons for leeboards was that you do not have to worry about the centerboard pendent, the rope that rise the CB. I have for many years tried to find a simple way to do the CB contr...
G 11 epoxy laminate. To order I made a CB first mock up. Doing so I got a new Idea for the lines.
Sven Yrvind

G 11 epoxy laminate. To order I made a CB first mock up. Doing so I got a new Idea for the lines.

It was Ocean Capable Small Sailboat who mentioned G10 epoxy laminate. A few years ago a friend of mine Guy Lilljegren had mentioned it also. Being a slow thinker it often takes two or three times for something to starting my thinking. When Guy mentioned I could not find a supplier. Now to my surpris...
Peter teaching me how to bend 10 mm cupper pipe.
Sven Yrvind

Peter teaching me how to bend 10 mm cupper pipe.

These little bends, 24 of them I am now going to bend. In my days I have not been doing much pipe bending. In the old days, in the 1950-s we used to put sand in the pipes shake it to compact it and heat it. It worked well. This mesthod is more simple. For more see Yrvind.com there you can also suppo...
Vector thinking comes to my help doing the string for the lead boxes.
Sven Yrvind

Vector thinking comes to my help doing the string for the lead boxes.

By applying a force crossvise to the strings it multiplys the tension and immobilises the lead. It also immobilises the string and with no movement of the string just tension no wear. Well thats the theory at least it reduceses the wear by a big factor. For more see Yrvind.com There you can also su...
More string attachment for the lead boxes and is G 10 good for centerbords.
Sven Yrvind

More string attachment for the lead boxes and is G 10 good for centerbords.

I have today not done much. Been fiddling around with the lead boxes and talking to people about G 10 or rather G 11 epoxy laminate for centerboard. I like to find out more about it, mostly about G 11 For more see Yrvind.com Ther you can also support my project via Pay pal and Swish 0706 200 550
When placing the lead boxes in the saloon there is interference. I will do something about it
Sven Yrvind

When placing the lead boxes in the saloon there is interference. I will do something about it

Tying the lead down with strings through holes worked fine on the bench. As often when in context there is interference. I have to backstep and redoo the thing. Fortunately I got ideas. More the stowage lids are now trimmed. They fit closely. They will not rattle. For more see Yrvind.com There via P...
Not much, just preparations.
Sven Yrvind

Not much, just preparations.

I have started to build the twelv boxes for the six 14-kilo leadweights. Working in sandwich composite I have to do the panels first. Each side one day. Some people say its quicker to do plywood. I say, not neccesarily so, plywood give you a quick start, but when done you have to cover both side wit...
Mowing the lead weights.
Sven Yrvind

Mowing the lead weights.

Here you can see me mowing the lead weights. First I thought I would lean with my chest against a webbing.. Now I realise that using the other arm as a support for my back works just fine. Nothing like the the real thing when finding out how things work. I am glad that I realised this idea in the la...
Me slowly cutting out the lid with the jigsaw. Both sides of the cut are important.
Sven Yrvind

Me slowly cutting out the lid with the jigsaw. Both sides of the cut are important.

Now Peter is filming me cutting out the lids. Here I have to be careful as the two created sides is for keeps. However it goes well. For more see Yrvind.com There you can also support my project with donations wia Pay pal and Swish 0706 200 550
First real step in the lids for the lockers in the sides for the dining room.
Sven Yrvind

First real step in the lids for the lockers in the sides for the dining room.

Now I have started making the lids for the lockers in the dining room. I have to keep many things in my head at the same time to get everything to function smouthly. Hopefully it will work out. For more see Yrvind.com There you can also support my project with donations via Pay pal and Swish 0706 20...
Extra webbing handle on the six 14 kilo lead mowing weights.
Sven Yrvind

Extra webbing handle on the six 14 kilo lead mowing weights.

With two handles the 14 kilo lead weights will be more easy to mowe even if a sea is running. Taking time to faciliate operations is a good strategi. The task becomes more easy and are more sooner done then otherwise. Also yesterday evning the Tufnol sheets 6 and 8 millimeter came very quickly from ...
The sides in the dining room and how to get water seat  lead and stowage in different places.
Sven Yrvind

The sides in the dining room and how to get water seat lead and stowage in different places.

Often there are seweral different requirements for the same space. Here a seat, 45 liters of water, 84 kilos of mowing lead, stowages, eating utensils place for my feets. With the help of the non protuding locker lids I can get most of what I want. Then building have to come in a certain order to m...
Holes instead of hookes, simpler, lighter, cheaper, and I get the center of gravity lower.
Sven Yrvind

Holes instead of hookes, simpler, lighter, cheaper, and I get the center of gravity lower.

Making better where I can all the time. On each deatil it makes not much difference, but it does have an multipying effect. This way the boat will be much better than if I just followed routine. It is not how quick the boat is build that gives me satisfaction but how good it becomes. For more see Y...
Making hooks to secure the mowing lead
Sven Yrvind

Making hooks to secure the mowing lead

Instead of they eyes in the cupper pipes here is an other way, having hooks made of M6 bolts. In the vice it is not possible to bend more than 90° but by using angle iron I can bend the hooks 180°. It is possible to use flat iron but then it is more tricky becouse then I would have to hold the two i...
Strings and knots keep the lead securly in ballast boxes, a mock up
Sven Yrvind

Strings and knots keep the lead securly in ballast boxes, a mock up

Here I show how I am going to keep the lead securely in their boxes. It will be done with strings and knots. It keeps the lead securely still no risk of fatigue. For more see Yrvind.com There you also can support my project with contributions via Pay pal and Swish 0706 200 550
Ballast boxes for mowing lead, first step.
Sven Yrvind

Ballast boxes for mowing lead, first step.

To mowe the lead as far as possible to the windward side I dig into the 70 mm thick divinycell about 50 mm. That leaves 20 mm. That is plenty for strenght porposes. Yachts 60 feet long usually have 20 mm. As an extra precaution I dubble the carbon fibre. The area is pretty minimal about 14 cm lenght...
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