Search found 14 matches

by fishwics
Fri Sep 22, 2017 12:15 pm
Forum: News
Topic: Composites Optimization of a Foiling C-Class Catamaran
Replies: 0
Views: 116

Composites Optimization of a Foiling C-Class Catamaran

Some of you might be interested in this webinar. Composites World is one of those free industry magazines they send to anyone who says they are in the industry (since advertising revenue depends on circulation numbers). The information is technically oriented, but usually pretty accessible to the am...
by fishwics
Tue Sep 19, 2017 12:34 pm
Forum: Boats
Topic: MicroTransat
Replies: 13
Views: 2362

Re: MicroTransat

See also announcement of RIN meeting on autonomous boats here http://www.ayrs.org/phpbb/viewtopic.php?f=13&t=2496#p2666
by fishwics
Tue Sep 19, 2017 12:31 pm
Forum: Events & other announcements
Topic: Royal Institute of Navigation Meetings
Replies: 0
Views: 84

Royal Institute of Navigation Meetings

http://www.rin.org.uk/images/logo_shadow.jpg The following RIN SCG events, taking place in October and November, may be of interest: 4 OCTOBER WEDNESDAY1800 The Cruising Association, CA House, 1 Northey St, London E14 8BT AUTONOMOUS VESSELS – A REAL REVOLUTION Prof. Andy Norris FRIN The second in a...
by fishwics
Sat Jul 08, 2017 11:13 am
Forum: Events & other announcements
Topic: Eyemouth International Sailing Craft Association is selling its collection
Replies: 0
Views: 343

Eyemouth International Sailing Craft Association is selling its collection

ONLINE AUCTION (Eyemouth, Cardiff & Lowestoft) Closing 12 Noon Wed 26th July 2017 * Being sold under the instructions of the liquidators of Eyemouth International Sailing Craft Association Limited (Eisca), a Scottish registered Charity MARITIME MUSEUM’S BOAT COLLECTION – Comprising: 270 Boats of...
by fishwics
Sun Apr 23, 2017 11:33 am
Forum: Sails & Aerodynamics
Topic: Flow round a wing
Replies: 1
Views: 476

Flow round a wing

Nice video from Cambridge Univ.
https://youtu.be/UqBmdZ-BNig
by fishwics
Wed Mar 22, 2017 9:55 pm
Forum: Members Sales and Wants
Topic: C-class Emma Hamilton for sale on EBay
Replies: 1
Views: 678

Re: C-class Emma Hamilton for sale on EBay

Memory says once-upon-a-time she belonged to AYRS? or was that merely mooted but not carried through?
by fishwics
Sat Jan 28, 2017 6:59 pm
Forum: Hulls & Keels
Topic: Transonic hull
Replies: 6
Views: 1577

Re: Transonic hull

Can, to some extent and for a limited range of speed, also be done with a single hull: http://www.duckworksmagazine.com/04/s/e ... /index.cfm


See also Catalyst No 11 page 9 http://www.ayrs.org/catalyst/Catalyst_N11_Jan_2003.pdf#page=9 et seq
by fishwics
Thu Jan 26, 2017 9:04 pm
Forum: Hulls & Keels
Topic: Transonic hull
Replies: 6
Views: 1577

Re: Transonic hull

Caveat - I've never seen one of these hulls in action ... BUT I have doubts that any single hull will operate without making waves*. I suspect that if you work out the curve of cross-sectional areas, and built another hull with the same curve it would have the same wave making characteristics -- or ...
by fishwics
Sun Jan 15, 2017 9:54 pm
Forum: Members Sales and Wants
Topic: Wanted Drawings of Manners Trifoil
Replies: 1
Views: 675

Re: Wanted Drawings of Manners Trifoil

Eric Manners did indeed die some years ago, and most of his archives were destroyed after his death. I'll see if I can dig out a contact, but don't hold out much hope.
Simon
by fishwics
Sun Dec 25, 2016 10:41 pm
Forum: Gossip & other snippets
Topic: Trailers, a warning
Replies: 1
Views: 638

Re: Trailers, a warning

For those who cannot (or don't want to) handle MSWord documents: Fredthecharlie wrote: A WARNING When checking your boat trailer don’t forget to look under the suspension units especially if they are mounted in a channel section; you might miss seeing something like this! It had been unused for seve...
by fishwics
Mon Nov 14, 2016 11:09 pm
Forum: Gossip & other snippets
Topic: Kite surfing
Replies: 1
Views: 775

Re: Kite surfing

There seems to be a difference between that part of the kite surfing world which is part of World Sailing and that part which is not (International Kite Sports Federation). IKSF don't want anything to do with World Sailing (formerly ISAF). The other problem is that if Kite Sailing becomes an Olympic...
by fishwics
Wed Nov 09, 2016 10:43 am
Forum: Welcome to the AYRS Forums
Topic: Fishwics Brief Bio
Replies: 3
Views: 1097

Fishwics Brief Bio

1. Been sailing for a long time (50+ years) - mainly dinghies and other small boats 2. Helped develop RIBs before they became commercial 3. Have messed around with sailng canoes and proas, mainly of my own design 4. Professionally I am a retired electronic engineer, and now help run a sailing school...

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