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June 2, 2025
Sven Yrvind – Page 4
Lamination Day
A video of the lamination that was made today.' Some corrections of the facts in video: The temperture was 27 degreas when we started. When the temperature was decreasing the air in the foam cells shrinks and sucks the epoxi into them. Mixing ratio is...
On even keel
Today i removed the peelply, draw a reference line a bit above the waterline with the help of the laser. Lifted her up, got rid of the frames for the mold and turned her over on even keel.
For the first time in Exlex
Ordnung muss sein! I have been cleening and trimming the sheer
A intresting illustrating eperiment
This experiment I did 20 years ago when I was more strong. If you have an idea do an experiment to find out
The cuts are being filled
To make it less riscy to bend the panels I made cuts in them. I am not shure it was neccessry but Divinycell breaks without warning and thats scary and no return
Exlex will be a strong boat If you want a very strong boat listen to this
From experiments I did in the 80-s and 90-s
Just myself in the building, reason today is saterday.
Most people devide life into work and free time. I like my what I am doing therefore I do it also on saterday and today its time for the fillits. Epoxy arriwed yesterday just in time from NM they always deliver very quickly
Small boat and good preparation gives good results and easy work
By positining the boat in comfrtable way with good light I get good results with no sweering words
Other side fillets and more about them
Today is Monday 11 of oktober year 2021. I forgot to speak that.
First carbon How I recycle beer glass and simple way to make stem
Stem without measurments. Just force rhe panels together with a string and my homemade tensioner. Where the panels meet cut with a saw. Repeat to they tuch from bottom to top. Then glue, then laminate on inside and outside. This metod is also good for wood...
Lenghtwise the mock up starts to gel.
Yesterday to guide my decicion about bedlenght I planned to cut my bed to 180 cm previus boat was 185 plenty. However I like to test the limits, being 168 long I tryed 169 cm giving me 1 cm spare. This nights sleep made clear that +45 mm might be better. A...
4 cm, 4 cm more that made all the difference ro the bed. Now she is 173 cm long and I slept very wel
As a child I asked grand mother, I had heard about tum Swedish for inch, is it much I asked. It much on nose she said. 4 centimeter on a bed is not much but it made a huge difference. Now the home bed is as comfortable as I like. Yacht design is an iterati...
Brave Exlex of 2020 is now back. She have sailed 150 days in deep water. No capsize
Nothing have broken. At the start from Ålesund Norway was food for a year and water for 180 days. With just 4 square meter sail area that made her slowly at the beginning
Exlex of 2020 now unloded. A lesson learnt. Cold spots going to be eliminated by sandwich coaming.
Every boat teaches me valuable lessons. I learned a number of important things from Exlex 2020. In the high latitudes near Island the temperature was low. Thanks to Divinycell the living area was free from condens, but the hatch coamings were cold spots. U...
My eating. 180 kilos food and water is good for a 10 000 mile ocean passage
https://www.youtube.com/watch?v=XcQYaOmY4ks&t=3s Above is a link to how I made the mixture 2018 if I remember. Most passages will be less than 10 000 miles but I like not to be limited. 180 kilos will be no problem. 3.14 knot is an estimate. Trials wil...
Watch the inches and the feet will take care of themsels. My way to small safe functional cruisers
Most men wants bigger and bigger boats. Once I listened to the grown ups singing that song. I bought the wreck of a 40 feet steam launch built 1885, converted her to a staysail schooner and sailed her to Rio de Janeiro.Two links to boats in the video.https...
Lamination of the inside of the hull
Here is a video of the carbon fiber lamination of the inside of the hull. The lamination vas made 13 and 14 October
Hatch in forward bulkhead. For airlock. She slides and twista 90°
There is not much space in the foremost part of the boat. To find a place for the hatch she rides on a string to the port side of the hull. This is a mockup but it seams to work wery well
BALLAST OR BOYANCY FOR STABILITY AT LARGE HEELING ANGLES ?
Nowadays most cruisers sail around with a lot of ballast. There is a cheaper, more gentle way and that is to use boyancy to get rightning moment at large angles of heel. It air does not cost anything. It weighs nothing. As it does not make the boat heavy. ...
How the angle of the rudder axis affects steraing. An example of Interference
When working with the forward bulkhead I had the idea that I should make tooling for all the 5 hatches. When I measured the space for the aft hatch I found there was not enough space on aft deck. I decided to move mizzen mast further aft. I saw that that e...
As a child I learned seamanship in a little rowing boat on the windward side of a small island
Here I with help of some pictures I tell how I learned seamanship on the island of Brännö outide Göteborg Sweden in the early 1940-s. During the war it was quite and the nights was dark. It was me my mother my grandmother and little sister. Just women a...
A repeat of interfering as it was confusing, in fact I avoided interfering.
A better description is that everything affects everyting else. In this case working with the hatch in the forward hatch lead to that I changed the angle of the rudder axis. The video shows the effect of negative and positive rudder axis. The traditional i...