Modifying the modifiyed Ljungström rig with a J-sprit to the vertical club.

March 18, 2022 by Sven Yrvind | Language: EN Play Time: 00:04:02 | SAILING YOUTUBERS

One thing leads to an other.The gone centerboard replaced by bilge keels needed a mizzen to give her weather helm when so desired.
The problem back there with the double ender was sheeting. At first I was back to the balanced lug sail for the mizzen.
The balansed lug sail have several desirable properties among them is no need for a wang.
In that respect I got spiled.
The Ljungström sail rolls up around the mast clearly no fitting can be attached above the bottom of the sail and not in front of it either
Hovewer behind I can put a gallows for the boom or whisker poole. It is OK for one tack but the other tack the mast is in the way unless there is a bend in the boom.
I understood that. But what shape of the bend was optimal?
By using a pice of wire I found out as shown in the video.
By forcing the wire over on the difficult side it gets a bend.
That bend is excactly the desired minimal bend needed.
The wire works on the model. In real life I will use a webbing wetted with NM-epoxy, bend it around the same way.
Next day it is stiff and I can use it to make a composite fitting.
More to follow.
For more see Yrvind. com
There you can support my project by donations via Pay pal and Swish 0706 200 550

Modifying the modifiyed Ljungström rig with a J-sprit to the vertical club. Locations

Sven Yrvind

Hi My name is Sven Yrvind. I design, build and cruise small boats. 1962 I left Sweden in 15 feet converted Blekingseka. I soon found out that there was room for improvement. To understand the basic I began to study mathematics and engenering. 1968 I sailed to England via many contries in a converted 13 feet rowing boat. People told me I be more happy on a bigger boat. November that year I found a wreck an old steam launch build 1885 I converted her to a staysail schooner and sailed her to Rio de Janeiro. That voyage advised me that a bigger boat do not bring happiness, happiness is an inside thing. I designed a 6 meter doubble ender built her in my mother basement. Tried to sail around Cape Horn with her but was capsized and pitchpoled. Later I built an 5.9 meter boat in her I rounded Cape Horn in the southern winter June 1980. I have continued to design, build, and cruise small boats often in high latitudes. Please support me on my donation button on my site yrvind.com

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Sven Yrvind Lastest Videos

9 June 2025 Leakage searching

This Youtube channel is about me Sven Yrvind. I am86 years 1 month old dyslectic solo sailor. I am adapting a modest size 30 year old 17 feet, 5.3 meter long high latitude canoe cruiser of my own design for a sail to Dunedin in NZ. There I have been promis...

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Language: EN

Play Time: 00:07:33