Catalyst 55 is now available for paid-up members

13th October 201913th October 2019 AYRS Webmaster 0 Comments

In the Forum at https://www.ayrs.org/phpbb/viewforum.php?f=37 If you’re not already registered on the Forum you will need to register and be

News Publications

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

Members Sales and Wants • AYRS Hull available to anyone who wants it.
Hi ThereI have a AYRS hull in my garden in rough condition that someone may like for a project. Anyone who is prepared to collect it from London E12 5DH can have it.Description: Hull amateur yacht research Blue 15ft x 2ft. Condition is muddy, poor finish but mechanically sound. Collection in person only. Really rough […]
Instrumentation & Control • Re: Sail pressure measurement
Hi Alex - I am not quite sure what you mean by 'tell tales connected through the sail' perhaps you have in mind somthing like a hinged flap mounted in a small hole through the sail so that the flap moves when there is a pressure differential between one side of the sail and the […]
Instrumentation & Control • Re: Sail pressure measurement
Hi John,I'm probably not aware as you are but it's exactly what's I imagine. Atmospheric pressure are measured in mm of Hg and 1 mm of Hg is equal to 13,6 mm of water. So I tough that this gauge will do the job. But actually you still have to connect it with the sail, […]
Technical Papers for review and comment • Ultimate sailing for oldies part 6
Ultimate sailing for oldies Part VIDiamond planform wingThe double size hangglider layout is rejected because of the weight of the rigid members (100ft). So my attention turned to my paraglider which weighs only 10lbs (dry). This fails due to my inability to shorten the lines to get the canopy into the ground affect region without […]
News • Shirley Robertson talks AC75s with Design leaders from each of the four America's Cup Teams
The countdown to the 36th America's Cup is very much on, so with the first World Series event rapidly approaching, Shirley Robertson sits down with the four design leaders from each of the four America's Cup teams. The result is a two part podcast that delves deep into the design and build challenges of the […]