Catalyst 59 is now available

23rd July 202123rd July 2021 AYRS Webmaster 0 Comments

Catalyst 59 cover image

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

Hydrofoils • Hinged Bruce foiler
Following a query during November's meeting, I will report here on my (very slow) progress on my main project, "Insert Hull Here", a frame with hinged Bruce foil. It is intended to contain all the forces generated by the rig and the underwater appendages within the frame, so that the hull only has to provide […]
Monohulls • Saint Lawrence's Yawl
Recently I was called to drawn the last Saint Lawrence's yawl still available here in Quebec. Is there anybody that could have any paper or information on this kind of boat? the hull was probably build early 1900 or so. The rig is similar to the one Slocum use on his spray except that it's […]
Sails & Aerodynamics • Re: Sail polar diagram
A few more papers Campbell & Dijkstra Wind tunnel tests on schooner rigs and their use in VPP Calculations.pdf Campbell & Dijkstra Wind tunnel tests on schooner rigs and their use in VPP Calculations.pdf Masuyama et al 2009 Sail shapes versus sail performance.pdf Masuyama et al 2009 Sail shapes versus sail performance.pdf Howard et al […]
Power craft & engines • Forward facing rowing
For those who want to know how/if forward facing rowing systems work, a friend of mine has fitted one to his new boat. There is a Youtube video here: https://www.youtube.com/watch?v=NywPV4lVaw4Statistics: Posted by fishwics — Sat Aug 28, 2021 4:10 pm
Members Sales and Wants • Re: Aries no4
Do you know this:https://ariesvanegear.com/resources/ ?Statistics: Posted by Heimfried — Sun Aug 15, 2021 3:04 pm

Publications

Catalyst 59 is now available

Catalyst 55 is now available for paid-up members

Catalyst 54 is now available for paid-up members

AYRS announces Catalyst No 49

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Monthly Zoom Meeting – Kim Fisher will tell us about Parabeam

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