Amateur Yacht Research Society

Please note that the contact address "BCM AYRS London WC1N 3XX" is no longer valid.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/

Weymouth Speedweek includes our AYRS meeting at Weymouth Sailing Club on the evening of Wednesday 11 October. Spectators are welcome any day of Speedweek but if you are coming on just one day perhaps make that the Wednesday - there are usually a few AYRS members at the Weymouth and Portland National...

In order to post on the forum you must be logged in to your user account. Even than, the post must first be approved by a moderator. We had to take this step because "spambots" today are capable of creating fake user accounts and sending spam. As the moderators may be away for quite some time, pleas...

There have been relatively few posts in relatively many sub-fora, so now these posts have all been moved up into "Boats" and the old sub-fora monohulls, multihulls, etc. removed. We hope this makes it easier to find things. Users can vote on this in the attached poll. Also, the same has been done wi...

The forum has been flooded with bogus registrations from spambots (programs scouring the internet looking for places to leave advertisements). Although their accounts are never activated and the spam itself has never made it past the moderators, they clog up the database and becuase there can be doz...

After much deliberation and many discussions, the organisers have sadly concluded that they will not be able to run Weymouth Speed Week in 2020. They would like to thank the WPNSA and their many supporters and volunteers for their efforts in trying to find ways in which they might be able to run the...

As Speedweek itself has been cancelled, AYRS is cancelling the Weymouth meeting due to take place during Speedweek on 7th October.

If you use the Full Editor instead of the Quick Reply, you will see below the message box a tab labelled Attachments. That allows you to insert files either inline or as links.

If all else fails, email them to webadmin@ayrs.org and I will insert them.

Message received from the Junk Rig Association (contact: honsec@junkrigassociation.org) QUOTE I volunteered to organise this year’s AGM in the UK, it has been held in New Zealand for the last two years and I would be thrilled to have a good turnout. This will be during May Spring Bank Holiday (Sat 2...

The meeting began at 2.00 pm promptly with Colin giving a report on the joint Open Canoe Sailing Group/AYRS North West Local Group meet at Coniston Water in the Lake District on the weekend of 20th to 22nd April. (A separate report is published in this edition of Catalyst). Mike then gave his impres...

The members assembled around midday and were then invited to enjoy a buffet lunch, which has become the custom before the Winter Meeting of this Group, which is celebrating the conclusion of their eighth year together. Once settled down, Mike announced that he has volunteered for the post of Hon Sec...

The meeting commenced with Mark outlining the development of a suitable sail system for his Proa. He is now on the third development. He passed around a drawing showing the general layout of the sail plan. The main sail is a Bermudan sail which wraps around the mast. This eliminates much of the drag...

This report details a very pleasant visit to Coniston Water, in the Lake District, organized by The Open Canoe Sailing Group (OCSG) and which included members of the Amateur Yacht Research Society, North West Local Group, John Shuttleworth, Mark Hillmann and Colin McCowen. The event was very well or...

Message from the Junk Rig Association (of which AYRS is a member) ----------------------- Dear Amateur Yacht Research Society, It is with great and personal regret that I have to tell you that I've just heard that the founder of the Junk Rig Association, Robin Blain, has died. The JRA was conceived ...

Just a reminder that this years Weymouth Speedweek will be from Saturday 14th October to Friday 20th October at the WPNSA Osprey Quay. Boat builders and experimental craft are all welcome to spend a week in like minded company. Sailing from 10.30 am each day. Evening events organised. AYRS Meeting a...

Call for Papers (deadline: 17 July 2017) Power & Propulsion Alternatives for Ships 8 November 2017, Rotterdam, The Netherlands The current use of alternative fuels and renewable energy sources within the shipping industry is still relatively low. Growing environmental legislation and concerns are d...

Front page has changed a bit from when No 51 was published, but if you click on "Home" on the black bar above, you'll get there.

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Our annual gathering to get together, get on the water and test new things. We will be around most of the week and can arrange support boats if needed. We look forward to seeing you there.

The 11th HSMV Symposium will be held in Naples in October 2017. As in previous years, the Symposium will provide an opportunity to present and discuss developments in the design, construction and operation of high speed marine vessels. Papers are invited on all aspect of high speed vessels with a wi...

Definitely by email! or you can post the bones of it here.
Regards
AYRS Web Admin

AYRS has received the following letter, which I'm posting here and inviting the sender to join the forum. Comments are welcome. Admin ______________________________________________________________________ Your advice about a crazy idea. I'm sending this email, as owing to a mistake on my part, I was...

Thinking about wingsails; anyone considering their design should read Fekete and Newman's paper “Analysis and development of a sailboat with self-trimming wing sail”[1] in particular the second order differential equation which allows prediction of its stability. NACA sections are probably not the b...

The accounts for the year ending 30 September 2016 are on the AYRS website at http://www.ayrs.org/management/AGM%2020 ... report.pdf.

The 53rd Annual General Meeting of the Amateur Yacht Research Society will take place on Sunday 22nd January 2017 at the Village Hall, Thorpe, Surrey, TW20 8TE starting at 4.00pm. The AGM is open to all paid-up members and their guests, but only members may vote. Agenda 1. Apologies for absence 2. T...

If aircraft experience is anything to go by - Not good at all! One of the "side-effects" of developing collision-avoidance systems for aircraft (and most commercial aircraft today fly under autopilot, even when taking collision-avoidance action) was the development of a "cheap" and cheerful system f...

The Terms of Use have been amended by the addition of the following paragraph: "You further agree that you grant to “Amateur Yacht Research Society” and the other users of the “Amateur Yacht Research Society” forum (whether they be registered or not) perpetual and irrevocable licence to reproduce an...

Link amended
or you could go to http://www.enercon.de/en/news/news-deta ... -e-ship-1/
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Welcome to the new AYRS Forum - the place to discuss developments in yacht science. Once registered you will find you have limited access to most of the forums. Some of them are restricted to paid-up AYRS members (well, they do need some privileges for their money), but in most you will be able to r...