I am working on the lines for my canoe cruiser. Below is three 1/10 modells.
The first one 5.4 meter long from the year 2003. The two other now both 7.68 long carbon reinforced one lineray stretched by 1.42
The one not yeat finished stretched paraboliccaly to 7.68 to give her a bit more volume in the ends. The parabolic stretching gives fuller ends. The parabolic is a squared function, like the series 1 4 9 16 25 …
The beams of all 3 modells is 1.28 meters. Thuse the lengt is six beams long. Modern boats are unfortunaturally only 3 beams long because lenght is nowadays so penelised. But traditionally, before engines many boats used the six beams lenght for easy resistance, when powered by oars and sail. The first naval arkitect and by definition the greatest, God instrukted Noa to use those proportions when building the Ark.
Accordingly, Noah’s instructions are given to him by God (Genesis 6:14–16): the ark is to be 300 cubits long, 50 cubits wide, and 30 cubits high (approximately 134×22×13 m or 440×72×43 ft)
The Azorian whaleboats where 12 meteParabolic curves have pleasing shape.r long with a boam of 2 meter. Very seaworthy boats. The Cornish pilot gigs had similar proportions as do the Venetian Gondola. According to Wikipedia they are Today’s gondola is up to 11 m long and 1.6 m wide, with a mass of 350 kg, Often five persons are on them one man rowing.
One more exampel of a group of succesful narrow boats are the Swedish skerry cruisers. They are slender boats, with low freeboards and tall rigs. In 1923 Westin designed a 40m² boat which was 15.2 metres long and had a beam of only 1.74m – a length to beam ratio of nearly 9 to 1.
Gerdny 18.8 long with a beam of 2.85 designed by Erik Salander, 6.7 beams long is an other example.
Captain John Voss famous canoe Tilikum in wich he sailed across the three oceans 1901 had similar proportions, 11.5 long 1.68 beam
I am now ready to start building the full scale wooden, sailing mockup. The planking will be 15 mm plywood or so. I look forward to an interesting Christmas and New Year.
I have been talking to the plywood man. Now I have to do estimate of how much material I need.
Year 2020 I cruised in my small, narrow, shallow draft boat named Exlex for 101 days on the deep, wide, northern North Atlantic Ocean. I started from Ålesund in Norway and sailed westwards, keeping the Faeroe Island on my port side. Before Iceland I turned south, keeping west of Scotland and Ireland, and the Bay of Biscay.
Finally I after 78 days I made my landfall at Horta, Fayal, one of the Azores islands.
There I was lucky to sail on their whaleboats several times.
I Then continued to Porto Santo, Madeira.
During the 101 days the weather was mostly grey and windy.
Despite that and accompanied by no one, I had been content with my solitude, it had given me plenty of time to reflect on life and I concluded that life is more interesting if it is lived outside the comfort zone.
The Portuguese have a saying, ”The bigger the boat, the bigger the storm”.
It is very true, the bigger the boat the bigger forces she attracts. A bottle floating out in the mighty ocean do not mind storms.
I was fit and had learnt a lot. I decided to try to build a better boat, a small boat capable of a Cape Horn doubling.
I now realize that a boats length is not necessary a good measure of size.
Length has for hundreds of years been restricted and taxed to the extent that it is now almost taboo.
That is bad because length is an excellent property and it is very cheap, nearly free, that is if you can restrict yourself from filling it with all the junk that people like to collect.
Our disease is ”horror vacui”, latin for ”mans fear of emptiness”, the cure is to keep it simple. Unfortunately this not exactly what the yachting business encourages.
Exlex from 2020 is 5.8 meter long, next boat is planned to be 7.68 meters or 1.88 meters longer.
The extra hull surface will be: 1.88 times the circumference. That is about 10 square meters. Each square meter have a weight of about 8 kilos. The weight added will thus be about 80 kilos.
However as she will be a double ender with soft chines I will make better use of materials next time I guess the final weight will be about the same. So even when she will be about 2 meter longer she will not be bigger.
This planned boat Exlex 2021 will be smaller, but longer than the 20 foot Bris I started to build in my mothers basement 1971. The new Exlex of year 2021 will be narrower and having less draft than Bris.
I will give her balanced lug sails on two short masts a dagger board.
As the two boats are double enders I can compare their sizes by multiplying their length, beam and height.
Bris 6 X 1.72 X 1.2 = 12.384
Exlex 7.68X1.28X1 = 9.83
According to the above the new Exlex of year 2021 will be about 20% smaller than Bris of 1971.
I base the new boats lines on a 5.4 meter long cruiser Matt Layden helped me to design in Florida the year 2003. Those lines are similar the Bris I started to build 1971.
I have used those lines before to build a boat 4.9 meter long with a 0.96 meter beam. It was a good try but the boat was to small to be suitable for longer voyages. She has been in Loftahammar for a number of years.
To create space in my workshop I will have to get rid of about ten thousand books that I have been collecting for decades. It hurts but technology moves on and I now can travel with tens of thousands books on my iPad.
I will also have to convert the drawings to the size and demands of the new aim.
After making a 1:10 model I will make a full scale sailing mock up in wood, strip planking her. Wood is pleasant nice easy and fast to work with but unfortunately it does not make boats as strong and durable as I like have them.
Exlex 2020 is waiting for me in Porto Santo. I will return to sail her in April, maybe trying out some new ideas.
This new project is ambitious and with my small budget it will most likely take a few years to complete.
Credit to Matt Leyden and Guy Lilljegren for important advise.
To be continued…
The original idea was to sail Exlex to New Zealand nonstop from Ireland. Due to Corona I could not trail her to Ireland. I that time a person asked me what I was going to do in NZ. Trying to answer the question I realized that it was not the destination but the voyage that I was seeking. Besides that I began to realize that the project was to ambitious.
I said to myself I might as well just sail around in the pleasant Sargasso Sea.
I had sail there before and liked it. The problem with that idea was that after summer the sun would go south and the weather would deteriorate. Finally I ended up in Porto Santo.
I had failed but that did not make me sad because had sailed the Atlantic for 101 days and that was better than watching TV. Also during at I had got some pretty good ideas for a new boat.
I left Porto Santo with the ferry for Madeira Monday the 23 of November. I had an airplane ticket for Stockholm Thursday 26. It can happen that bad weather prevents the ferry. To get a margin of safety I took an early ferry. A good thing because the ferry on Wednesday was cancelled.
The airplane from Madeira got a late start that made me nervous but there was no problem in Lisbon to catch the plane to Stockholm.
My seat was occupied by a guy from California. I asked to move and conversed with him a bit. He told me he was some kind of alternative doctor. He also told me that there had been much fraud in the election and that luckily Trump would sort it out and remain in the White House. At that time I noticed that his mask did not cover his nose. I told him to respect the other passengers and to put it on properly as I did not want Corona. He said that that prevented him from breathing. I got angry and raised my voice. Surprisingly it helped despite me being 50 or so years older than him. He left for an other seat and I never saw again. A believer in Trump and alternative medicine he probably thought that it injecting bleach would help against Corona.
The plane was in good time for Stockholm. Peter had told me that he would be there to meet me in his new black car. Surprisingly the car was white. It had broken down and he had gotten a new one just in time. He bought food for me in Nyköping then delivered me to my flat.
There is plenty to do here to get me started. One thing at the time. I have gained 5 kilos mostly ice-cream in Madeira. Now I am back to eating once a day. I have started with exercises and today I was out running a bit for the first time in five months.
I kind of lost time but I think I have been here in Porto Santo Madeira about 2 and 1/2 week not really knowing what to do mainly due to Corona.
Yesterday I was bold and bought a ticket to Sweden for 26 of November a friend will pick me up at Arlanda Stockholm and drive me to my flat in Västervik where I will start the new boat. I hope that I do not catch the desise.
Exlex will have to wait here patiently to spring when I will return to do sail in hopefully the Sargasso Sea.
I still have the offset of Bris the boat I started to build Midsummers eve, Friday 25 of June, 1971 nearly 50 years ago. It was a good boat 6 meter long 1.72 beam height 1.2 meter.
Next boat Exlex Rex will be 8.4 meter long, beam 1.22, height 1.1 meter
The ratio is =0.91
That is Exlex will be about 9% smaller than Bris.
Also comparing her to Exlex, hopefully she will not be much more heavy due to being pointed in boat ends and been giving rounded bilges.
Yrvind thanks all the kind persons that have been donating making my trip possible
Yrvind and his boat Exlex always draw interests wherever they appear. Here is a short film from the moment he arrived to Porto Santo. It just happened to be someone there to make an interview with him and produce a nice little film.
Video made for the French magazine Voiles et Voiliers
English subtitles are availables in the video settings !
Directed by Juliette Mauban-Nivol (co-founder of New Flow to Sail)
Interview : Juliette Mauban-Nivol & Martin Droit Rushs of the entrance in the harbor : Alain Mangon
At last an update! As everyone can see Yrvind is now at Porto Santo, Madeira. His sailing from Azores was a mixed experience. Light wind conditions one day and tuffer weather next day. The last days at sea he had a tremendous sailing with good speed running beam reach. He logged 5 to 6 knots. I was not prepared for that speed and missed his landfall and saw suddenly his tracker spot at Porto Santo, a day or two too late. The intense sailing had its price and Yrvind is now resting and hope he soon will find energy to be able to write about his last sailing experience on the website. Until then we had to make it with some photos taken by Laurent Gougeon, a french sailor, at Yrvinds arrival to Porto Santo harbour.