Name: AYRS Zoom meeting
Start: 2024-11-12T19:30:00+00:00
End: 2024-11-12T20:30:00+00:00

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

Sails & Aerodynamics • Re: Wrinkles
Hi ChrisUntitled.jpgHere is a diagram from the late Tom Speer, an AYRS member who worked professionally in aerodynamics and who played a large part in the development of wingsails for the Oracle Americas Cup team. Unfortunately I do not know where this diagram was published. This diagram is clearly for a single skin mainsail on […]
Sails & Aerodynamics • Wrinkles
I've been watching the America's Cup preliminaries and noticed that some teams, especially Alinghi Red Bull, have a lot of wrinkles in the bottom of their mainsails.Although you often see wrinkles on sails, mainly radiating from the tack or clew, surely this can’t be good for airflow, power or drag.What does anyone think?Statistics: Posted by […]
Members Sales and Wants • Catamaran hulls in search of a new home
CALLIOPE and CERES hulls (plus some other parts) are available to anyone who can make use of them. Calliope was a 16' hydrofoil catamaran that had some success at Weymouth Speed Week in the 1990s. The hulls were made from tortured 3mm plywood to a semi-circular cross section and are quite light. Ceres was a […]
Welcome to the AYRS Forums • Contact Addresses
Please note that the contact address "BCM AYRS London WC1N 3XX" is no longer valid. In order to contact the AYRS Chairman or treasurer please see:https://www.ayrs.org/contact-us/Statistics: Posted by AYRSwebadmin — Fri Feb 02, 2024 9:46 am
Members Sales and Wants • Re: Hapas free to a good home
I could use the Rousson design for my next project, a hapa-stablised canoe. It would make a good comparison for the design I already built (rather crudely). But for £2800, I could probably get a custom-built foil. I suppose size is the problem. Is it possible to take it apart?The next project will be to […]

Author: AYRS Editor

Catalyst 54 is now available for paid-up members

Upcoming Events

All-day Meeting at Mytchett, Surrey

Boat trip on Basingstoke Canal

AYRS Zoom meeting