Catalyst 59 is now available

23rd July 202123rd July 2021 AYRS Webmaster 0 Comments

Catalyst 59 cover image

Catalyst 54 is now available for paid-up members

8th January 201913th October 2019 AYRS Editor 0 Comments

Catalyst 54 is now available for paid-up members In the Forum at https://www.ayrs.org/phpbb/viewforum.php?f=37 If you’re not already registered on the

Publications

AYRS announces Catalyst No 49

28th September 201527th November 2017 AYRS Webmaster

AYRS announces Catalyst No 49 … … is now available, and can be downloaded from here. Online members will shortly

Craft • Re: Suboptimal waterstays for beach trimaran
Hi John,Thanks for your answer, I am truly sorry for answering you so late.I had two catamaran projects that came to a halt when my co owner left this world a few years ago. Now I am building a little bigger boat with an open cockpit and a small outborder to sail alone, so the […]
Hydrofoils • Re: Hinged Bruce foiler
my interpretation of your diagrams is that on the 'Lee tack' the arm supporting the hinge for the 'foil arm' is locked, so the system operates much like Gerald Holtom's foiling boats. Then you unlock the hinge as your tack?Yes. The figure in the first post is inconsistent. On the left, I drew, in orange, […]
Hydrofoils • Re: Hinged Bruce foiler
Robert - I have just noticed your thread here - it looks to be very intersting experiment. I am surprised that no-one else (to my knowledge, such as that is) has tried to develop the Giles Whittaker hinged foil. I would say that from the films Giles produced a good few years ago now, the […]
Hydrofoils • Re: Hinged Bruce foiler
The boat is finished. All that remains to be done is set up the running rigging, and wait for the beginning of the sailing season, in about half a yearHere you can see the boat with the frame tied to the hull, and the foil and beam upside down besides it. I can probably cut […]
Craft • Re: Sub-fora discontinued
Theo - I have voted 'yes' to this. At first I thought there was something wrong since my vote did not add to the total, then I realise you have to log into the forum to vote, which is logical. I do think the forum is better without so many sections - a heavily used […]

Publications

Catalyst 59 is now available

Catalyst 54 is now available for paid-up members

AYRS announces Catalyst No 49

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