Cher Bertrand Once again "merci bien". Now I have the complete picture. What is your opinion about the wishbones having the same size of the battens? Do you...
Hello all: I have been on Mayne Island for a week on vacation; and what a vacation. Being there only confirms that my wife and I will definitely leave...
Here is a company that has done many interesting things with fibers, CF rods and pneumatics - surely a good way of making battens that can be adjusted in situ,...
Hi All, New to the forum and very impressed and thankful for the knowledge exchange and help. I am fitting out a GRP version of the Hereshoff 28 here in Oz and...
I would suggest you email Thomas Colvin directly and ask his opinion on this. He has a lot of experience with AL, and the other issues in your post. My Gaff...
Hello all; I continue to debate/consider the JR as I might well build one in the future. I reviewed the file Aerodynamic junk rigs by Robert Biegler in the...
Stavanger, 5th. Sep 2007 Hi Shaun The main improvement that I experienced when replacing my flat junk sail with one with hinged battens and later with a...
Hi well stated Arne we found much the same thing on *Passepatu,* although with hinged battens, but we found that with the hinged battens the aluminium tube...
... on ... your ... Thanks, Capt George, I will. Has anyone considered fiberglass flagpoles with a carbon fiber conduit (sailboard mast?) for electronic...
... Hi Arne I wonder if this would be a useful moment to summarise current thinking regarding the optimum configuration using hinged battens ? I'm thinking...
Stavanger, 6th Sep. 2007 Hello Colin I think the right man to ask for a summary is rather Lex Hodgkinson. He seems to have sailed his "Passepatu" since 1992...
... Hi Colin Here are my experience with hinged battens. I used them as long as I had IRIS. First I used two hinges for each batten. One at 1/3 of the batten ...
I'm reading a book at the moment called The Voyage of The Golden Lotus by Clifford & Illingworth. Has any one here read it? Incredibly young bloke goes to Hong...
Stavanger, 9th Sep 2007. Hi Gary. That book (.. probably just extracts from it...) went as a serial in the JRA newsletter 10 – 16, that is, from 1984-1987!...
The war of the bulkheads? Yes, read it and found it to be quite a good read actually. Tough guys those kiwis! Perhaps the most interesting thing (apart from...
That really was one huge rudder on Golden Lotus. I'm about 12 pages from the end. As far as blue water cruising goes, it was definitely much more simple back...
Sailing the dory to Anaconda (Anacapa) Island, and certain peril A serpent-shaped island 15 miles off the Cali. coast, of which I saw last month from 34,000...
I continue to search for alternatives to industrial Al pipe (just stubborn I guess)... somewhere, can't remember where, I have read (in a real book, not online...
Looking good, Jeffrey I'm in the process of building a 20ft dory that will also have a single daggerboard but a single junk sail (hull complete, real work to ...
Thanks for your interest. I'm very glad to be of inspiration. Once the bulk of your labors are over, you can enjoy your accomplishments like no other can. Most...
What a coincidence: I was looking at the butt end of a stack of pvc pipes (32 mm) for my battens and had exactly the same thought of making a mast this way. In...
the answer I got from a mech engr online who has worked with sandwich beams and honeycomb composites was this: I suspect failure in unstayed masts is due to...
Yes, I seem to have read the same, somewhere! Wikipedia, maybe?! Or was it PJR?! One way of doing it in modern terms is to have an aluminium mast inside a ring...
I am very happy with my unstayed masts on my junk rigged 40' steel schooner. the masts are constructed from laminated Douglas Fir. Mainmast is 50' and ...
thanks for the description of your masts Peter! the design problem I face is undersized partners. they are hellaciously strong weldments, but a bit skimpy on ...
http://www.deboerarchitects.com/BambooThoughts.html Bamboo is an extremely strong fiber; with twice the compressive strength of concrete and roughly the same...
There is really no limit to the uses of laminated bamboo. It can be used for chairs and other furniture, plates and utensils. In fact it can be used just like...
Just a question-what is wrong with a schedule 40 alminium mast of sizable or robust (ie slightly over-sized) dimensions? I understand that there are concerns...
If anyone would like a trip to look at multiple use of laminated bamboo they have only to go to Kunming, capital of the Yunan province in China where there is...
Having problems with message search?
Fill out this form to ensure your group is one of the first to be migrated to the new message search system.
