Search found 52 matches

by Fredthecharlie
Wed Jan 01, 2020 9:48 am
Forum: Events & other announcements
Topic: Happy New Year
Replies: 1
Views: 5554

Happy New Year

Best wishes to all members for a happy and productive boating year. Remember tell us about your ideas,tests and results. Do you need help with a project? Use the forum and ask for advice and local help. Remember group activities can inspire: the Committee is anxious to encourage local group formatio...
by Fredthecharlie
Fri Dec 06, 2019 10:26 am
Forum: Craft
Topic: The Ship thats a Wing
Replies: 0
Views: 10086

The Ship thats a Wing

An interesting concept, the illustration doesn't give any thing away but the idea is that the hull shape generates useful aerodynamic lift when the engines generate a certain speed.
the link is:-
https://www.maritimejournal.com/news101 ... lso-a-wing
by Fredthecharlie
Mon Nov 25, 2019 5:43 pm
Forum: Events & other announcements
Topic: Model Boats magazine December 2019
Replies: 0
Views: 10991

Model Boats magazine December 2019

This issue has an interesting article about foiling model multihulls; lots of excellent pictures, no real information about the designs.
They look as though it could be a way of experimenting with foils minimising the logistics of cost, transport and crew.
by Fredthecharlie
Mon Sep 30, 2019 6:09 pm
Forum: Instrumentation & Control
Topic: Accuracy of GPS speed measurement
Replies: 3
Views: 10913

Re: Accuracy of GPS speed measurement

I believe that over a reasonable distance(?) it is accurate but the best GPS units are I think differential and accurate in position to cms where as older (and ? cheap chips ) accurate to 15 metres so the speed may be in error but it may be worthwhile as then on has automatic speed recording at know...
by Fredthecharlie
Mon Sep 23, 2019 8:08 pm
Forum: Technical Papers for review and comment
Topic: Howard Fund
Replies: 38
Views: 16777215

Re: Howard Fund

Does the winch work both ways ie. allow a controlled drop of the keel rather than having to ease the tail of the rope from the tackle?
by Fredthecharlie
Sat Aug 10, 2019 9:19 am
Forum: Events & other announcements
Topic: Water speed record talk
Replies: 0
Views: 9794

Water speed record talk

Brooklands Museum in Weybridge periodically holds evening talks on various subjects and this week August 15th a talk about the Quicksilver project a British attempt to regain the World water speed record. To book your place email talks@brooklandsmembers.co.uk or phone 07880 670359 and leave a messag...
by Fredthecharlie
Mon Jul 29, 2019 8:24 am
Forum: Craft
Topic: Aerodynamic Lift to improve performance
Replies: 0
Views: 9825

Aerodynamic Lift to improve performance

Not a new idea Tony ?Blofeld and his "Speedwing" at Speed week many years ago had a wing shaped bridge deck to help generate vertical lift as well as inclined lifting foils, however it is being developed commercially for a high speed ferry; www.aavessels.com their web site is worth visiting, plenty ...
by Fredthecharlie
Sat Mar 09, 2019 10:00 am
Forum: Events & other announcements
Topic: Commercial Sail Type approval
Replies: 2
Views: 9189

Re: Commercial Sail Type approval

Sorry but when I tried the link it didn't work, instead try their home page www.maritimejournal.com and click on news and select power and propulsion in the menu, the resulting page needs to be scrolled down 4 or 5 times to find the entry.
Fred
by Fredthecharlie
Fri Mar 08, 2019 5:49 pm
Forum: Events & other announcements
Topic: Commercial Sail Type approval
Replies: 2
Views: 9189

Commercial Sail Type approval

If you are interested in commercial sail this link may be of interest, it refers to an oil tanker with two Flettnor rotors
http:www.maritimejournal.com/news.101/power- ... rcial-sail
FCB
by Fredthecharlie
Sun Feb 10, 2019 11:56 am
Forum: AYRS Meetings
Topic: Thorpe meeting Second attempt Part 2
Replies: 0
Views: 13690

Thorpe meeting Second attempt Part 2

Meeting at Thorpe 20th January 2019 Part 2 I have found I can only add three attachments! Roger Callan’s display of lashings demonstrating how important it was to stabilise round materials using small inserts to produce a stable cross with a pair of figure of eight lashings and also how a broken spa...
by Fredthecharlie
Sun Feb 10, 2019 11:42 am
Forum: AYRS Meetings
Topic: Thorpe meeting Second attempt Part 1
Replies: 0
Views: 12182

Thorpe meeting Second attempt Part 1

Meeting at Thorpe 20th January 2019 After members had helped organise furniture and had a coffee break the meeting began with a short slide show by Fred Ball who had recently been to the Science Museum and spotted a model of an oil tanker with a bulb bow which was meant to illustrate the benefits of...
by Fredthecharlie
Sun Feb 10, 2019 9:38 am
Forum: AYRS Meetings
Topic: Thorpe meeting 20 Jan 2019
Replies: 1
Views: 9334

Re: Thorpe meeting 20 Jan 2019

OOPs the file was too big to attach! F
by Fredthecharlie
Fri Feb 08, 2019 12:34 pm
Forum: AYRS Meetings
Topic: Thorpe meeting 20 Jan 2019
Replies: 1
Views: 9334

Thorpe meeting 20 Jan 2019

Please find attached my report of the Thorpe meeting
by Fredthecharlie
Mon Nov 26, 2018 3:42 pm
Forum: Events & other announcements
Topic: A Foiling Contest
Replies: 0
Views: 10651

A Foiling Contest

At the Beale Park Boat and Outdoor Show Watercraft Magazine is promoting a foiling class in their Cordless Canoe Challenge; please find attached a few more details
CCCfchallenge.pdf
(29.5 KiB) Downloaded 1245 times
CCCfchallenge.pdf
(29.5 KiB) Downloaded 1245 times
by Fredthecharlie
Wed Oct 24, 2018 9:37 am
Forum: Events & other announcements
Topic: Thorpe Meeting Novenmber4th
Replies: 1
Views: 7066

Thorpe Meeting Novenmber4th

Just a reminder that the November meeting at Thorpe is on November 4th The address is Thorpe Village Hall Cold Harbour Lane Thorpe Surrey TW20 8TE. Thorpe village is between Staines (M25 J13) and Chertsey (M25 J11) near Thorpe Park. You need to bring a packed lunch; tea and coffee will be available....
by Fredthecharlie
Sun Sep 30, 2018 5:36 pm
Forum: Craft
Topic: Microtransat
Replies: 3
Views: 10558

Microtransat

A Norwegian team with a boat called SB Met have completed the course sailing from Newfoundland to Ireland, the result has still to be ratified and will probably be after its data recorder has been recovered when it sails itself back to its home port in Norway. www.microtransat.org provides a photo a...
by Fredthecharlie
Mon Sep 03, 2018 8:02 pm
Forum: Events & other announcements
Topic: Weymouth Speedweek
Replies: 0
Views: 11367

Weymouth Speedweek

Registration for Weymouth Speedweek is now open. The event takes place at the Weymouth and Portland Sailing Academy and starts on Saturday 13 October. The event needs more boats to take part so come along and get your speed accurately measured along a 500 metre course. As well as daily pots for fast...
by Fredthecharlie
Sun May 06, 2018 9:13 am
Forum: Events & other announcements
Topic: Open House National Physics Laboratory
Replies: 0
Views: 11103

Open House National Physics Laboratory

The National Physics Laboratory at Teddington is holding an open day on Thursday 17th May, I went 2 years ago and found it extremely interesting.
Further information and booking details at; npl.co.uk/openhouse There is a fee £3 which goes to Cancer Research UK
by Fredthecharlie
Mon Apr 30, 2018 10:09 am
Forum: Events & other announcements
Topic: March/April Newsletter 2018
Replies: 0
Views: 11328

March/April Newsletter 2018

Pleas find attached my latest Newsletter
AYRSnewsMarchApril2018.pdf
(708.02 KiB) Downloaded 1250 times
AYRSnewsMarchApril2018.pdf
(708.02 KiB) Downloaded 1250 times
by Fredthecharlie
Tue Apr 17, 2018 10:29 am
Forum: Events & other announcements
Topic: Speedweek Trials
Replies: 4
Views: 11006

Speedweek Trials

Norman Phillips has arranged for any one interested (Boats, Kitesurfers, Windsurfers or any other form of wind propelled craft to be able to test their equipment/ideas out at the Weymouth and Portland Sailing Academy during the period 14-18th May. We might be able to hold an AYRS meeting on the Wedn...
by Fredthecharlie
Tue Apr 03, 2018 10:49 am
Forum: Hulls & Keels
Topic: Component Waveform Theory
Replies: 1
Views: 8238

Component Waveform Theory

I read Wooden Boat Magazine and came across an article about a design of an electric launch designed using Component Waveform Theory which seems to be related to this subject. For more information go to http://www.woodenboat.com and scroll down their home page to find "Extended Content" and select t...
by Fredthecharlie
Sun Feb 25, 2018 12:30 pm
Forum: Events & other announcements
Topic: Jan/Feb Newsletter 2018
Replies: 2
Views: 8836

Jan/Feb Newsletter 2018

As the recently elected Chairman of the Society I thought it might be an idea if I gave some idea of my boating experience and try and encourage more members to write something. The News letter also includes some useful hints and tips and some links to items of interest
AYRSnewsJanFeb2018.pdf
(462.56 KiB) Downloaded 1259 times
AYRSnewsJanFeb2018.pdf
(462.56 KiB) Downloaded 1259 times
by Fredthecharlie
Mon Feb 19, 2018 5:38 pm
Forum: Events & other announcements
Topic: RYA Dinghy Show
Replies: 0
Views: 11363

RYA Dinghy Show

Saturday March 3rd March and Sunday 4th March at Alexandra Palace, an exciting and interesting show as well as many dinghy classes, clubs and equipment retailers exhibiting there are a lot of interesting lectures and demonstrations. We are exhibiting, Stand H24 in the West Hall where we will have a ...
by Fredthecharlie
Fri Jan 19, 2018 8:28 am
Forum: Members Sales and Wants
Topic: Boat Kit needs new home
Replies: 0
Views: 13814

Boat Kit needs new home

Hi I received this by email yesterday and wondered if any of our American members can help Here’s the situation. I have a CNC kit to build Karl Stambaugh’s Redwing 18, which consists of frames, transom, planking, etc. Kit is in my basement. Kit cost $6000.00 several years ago. Three coats of West ep...
by Fredthecharlie
Wed Jan 10, 2018 9:01 pm
Forum: Events & other announcements
Topic: London Boat Show
Replies: 0
Views: 11467

London Boat Show

I visited it today and the show seems to have been brightened up somewhat. When I arrived at about 11.30am it was fairly quiet but by lunch time it was much busier. The layout occupying the South Hall was more open without the central barrier of a large motor boat stand but my general impression was...
by Fredthecharlie
Thu Dec 21, 2017 5:07 pm
Forum: Events & other announcements
Topic: Seasons Greetings and a Newsletter
Replies: 0
Views: 11580

Seasons Greetings and a Newsletter

I hope that the enclosed newsletter will help you enjoy the festive season and you should soon have access to Catalyst 52
Fred
by Fredthecharlie
Tue Nov 28, 2017 5:54 pm
Forum: Events & other announcements
Topic: Americas Cup
Replies: 0
Views: 13026

Americas Cup

Boating Business has an article with details of the concept drawings for the next event http://www.boatingbusiness.com/news101/ ... e-released
I hope that link will work for you.
by Fredthecharlie
Sat Nov 04, 2017 9:47 am
Forum: Events & other announcements
Topic: Thorpe Meeting Nov 5th
Replies: 1
Views: 7495

Re: Thorpe Meeting Nov 5th

FINAL REMINDER All day meeting at Thorpe Village Hall tomorrow 5th November TW20 8TE Doors open 9.00am remember packed lunch.
by Fredthecharlie
Sat Oct 21, 2017 5:57 pm
Forum: Events & other announcements
Topic: Thorpe Meeting Nov 5th
Replies: 1
Views: 7495

Thorpe Meeting Nov 5th

Only two weeks to go Remember your packed lunch
The venue is Thorpe Village Hall TW20 8TE
For those who use maps Thorpe Village is between Staines and Chertsey
by Fredthecharlie
Tue Sep 19, 2017 7:44 am
Forum: Events & other announcements
Topic: Southampton Boat show
Replies: 0
Views: 11502

Southampton Boat show

I went yesterday and as usual there was lots to see, I got the impression that motor boats predominated in particular RIBs and small sports boats. there were plenty of small boats to look at and few sailing cruisers up to about 6m then there seemed to be a gap until 10m length too many to look at in...
by Fredthecharlie
Tue Aug 29, 2017 10:13 am
Forum: Events & other announcements
Topic: Thorpe meetings
Replies: 0
Views: 11587

Thorpe meetings

The Thorpe Village Hall has been booked for 5th November 2017 and 21st January 2018 As usual the hall will be available from 9.00am to 5.00pm Members and non members are all welcome; remember you do need a packed lunch but tea and coffee will be available. Contact for event is Fred Ball fball@ayrs.o...
by Fredthecharlie
Sat Jul 29, 2017 11:51 pm
Forum: Events & other announcements
Topic: Plywood
Replies: 0
Views: 11640

Plywood

I visited an exhibition about Plywood at the V&A today and can recommend it to any one intersted in Plywood, its history, manufacture and uses; if I've worked the system properly there should be a short report and photo attached.
F
by Fredthecharlie
Sat May 06, 2017 5:52 pm
Forum: Events & other announcements
Topic: Human powered Flight meeting
Replies: 0
Views: 11828

Human powered Flight meeting

There is a Human Powered Flight Meeting/Competition at Lasham near Basingstoke 15th-23rd July Flying normally takes place shortly after daybreak and finishes at 9.00 am as it is a busy airfield with gliding the main activity but commercial planes land for servicing etc. There are opportunities to se...
by Fredthecharlie
Mon Apr 24, 2017 7:57 am
Forum: Sails & Aerodynamics
Topic: Flow round a wing
Replies: 1
Views: 8211

Re: Flow round a wing

A very nice demonstration!
by Fredthecharlie
Mon Mar 20, 2017 2:41 pm
Forum: Technical Papers for review and comment
Topic: Howard Fund
Replies: 38
Views: 16777215

Re: Howard Fund

Hello The photos seem to suggest you have built the boat itself but the rig appears to be a model, I find your project very interesting but feel that the boat ought to be sailed with a conventional rig to establish its performance before moving on to the new rig. There are lots of novel features des...
by Fredthecharlie
Thu Mar 09, 2017 6:10 pm
Forum: Events & other announcements
Topic: RYA Suuzuki Dinghy Show
Replies: 0
Views: 11881

RYA Suuzuki Dinghy Show

Brief report on the RYA Suzuki Dinghy Show 2017 As usual there was a lot of interesting thing to see; the main theme appeared to be “Foiling” the display in the foyer consisting of Wild Bear (see Catalyst 51), an In international Moth and an example of Waszp. AYRS had a stand shared with BTAC and as...
by Fredthecharlie
Thu Feb 23, 2017 5:40 pm
Forum: Events & other announcements
Topic: Cordless Canoe Challenge at Beale Park
Replies: 1
Views: 7677

Cordless Canoe Challenge at Beale Park

Just in case any member wants to enter the rules have been changed and there will be two events. I found them difficult to read on the Watercaft Magazine web site so I have read them and interpreted them as:- On Saturday 3rd June it will be a race around a course including three 180 degree turns, th...
by Fredthecharlie
Tue Feb 21, 2017 10:18 am
Forum: Craft
Topic: MicroTransat
Replies: 21
Views: 45850

Re: MicroTransat

Thank you for your interpretation, I agree that the boat mass will be increased but hopefully its weight carrying ability shouldn't be affected; I think that having considered your thoughts a high density bulb and an enlarged volume of the immersed hull might be better it should certainly produce a ...
by Fredthecharlie
Fri Feb 17, 2017 8:12 am
Forum: Craft
Topic: MicroTransat
Replies: 21
Views: 45850

Re: MicroTransat

My thought was that it would not increase the displacement but would provide a righting moment when the ballast bulb came out of the water, ie at about 80 degrees heel, it would increase imersed surface area however.
F
by Fredthecharlie
Tue Feb 14, 2017 7:02 am
Forum: Technical Papers for review and comment
Topic: Howard Fund
Replies: 38
Views: 16777215

Re: Howard Fund

Thank you for the explanation, if I understand it properly it means that th rudder mout swings to the leward side of the boat and offers the benefit of twin rudders using only one.
FCB
by Fredthecharlie
Mon Feb 13, 2017 8:00 am
Forum: Technical Papers for review and comment
Topic: Howard Fund
Replies: 38
Views: 16777215

Re: Howard Fund

Sounds interesting, I look forward to seeing the full details but what is meant by oscillating rudder?
FCB
by Fredthecharlie
Sun Feb 12, 2017 12:54 pm
Forum: Craft
Topic: MicroTransat
Replies: 21
Views: 45850

Re: MicroTransat

Microtransat some thoughts from the Thorpe Meeting This subject was discussed at the meeting, but better preparation by providing delegates with the rules I think would have produced more ideas. It was generally considered not to be a one man project because of the wide range of skills needed to com...
by Fredthecharlie
Sun Jan 15, 2017 2:35 pm
Forum: Members Sales and Wants
Topic: Wanted Drawings of Manners Trifoil
Replies: 1
Views: 8190

Wanted Drawings of Manners Trifoil

An Australian has contacted me to see if he can obtain a copy of the Eric Manners design Trifoil also known as Flying Wing circa 1961. Does any one have a copy of plans tucked away? or know of contact details of Eric Manners family (I presume he passed away some time ago the phot I have seen in the ...
by Fredthecharlie
Sun Jan 08, 2017 8:38 am
Forum: Craft
Topic: London Boat Show
Replies: 0
Views: 12951

London Boat Show

Just a quick note, I visited the Show yesterday and as usual there was lots to see and | have made a not of some interesting things you might miss Hobie Mirage Drive you can now select forward or reverse Stand B089 www.hobiecatcentre.co.uk Dah di Dah Publishing A series of little waterproof tear res...
by Fredthecharlie
Fri Dec 23, 2016 4:37 pm
Forum: Craft
Topic: Trailers, a warning
Replies: 2
Views: 10794

Trailers, a warning

Rust.docx
(145.09 KiB) Downloaded 1196 times
Rust.docx
(145.09 KiB) Downloaded 1196 times
Please find attached a few words and a picture to remind you of the importance of checking trailers properly.
by Fredthecharlie
Wed Dec 14, 2016 6:54 am
Forum: Events & other announcements
Topic: AYRS Annual General Meeting, 22nd January 2017
Replies: 2
Views: 9901

Letter from Mike Howard

Graeme has received the attached letter from Mike Howard to be discussed at the AGM
Fred
by Fredthecharlie
Thu Nov 24, 2016 6:04 pm
Forum: Craft
Topic: Autonomous ships
Replies: 2
Views: 11541

Autonomous ships

It won't be long before we all need to have AIS receivers I have read reports of Large cargo ships being built with a view to no crew, trials initially with monitoring by a crew on board and later with just computer observation from shorebased offices; presumably after that, let loose on their own w...
by Fredthecharlie
Mon Nov 14, 2016 8:56 pm
Forum: Craft
Topic: Kite surfing
Replies: 1
Views: 9079

Kite surfing

I've posted this here as a well known writer doesn't think kitesurfing is sailing ie he doesn't feel that kitesurfing should become an Olympic sport. In June of this year the Bridge family set some "Round the Isle of Wight" records; Guy (16yo) went round in two hours 32 mins, and 25 seconds getting ...
by Fredthecharlie
Thu Oct 06, 2016 8:39 pm
Forum: Craft
Topic: Flettner rotor ship
Replies: 5
Views: 17109

Re: Flettner rotor ship

Nice picture but can't find details such as date and place, the link seemed to want me to play games.
Fred
by Fredthecharlie
Mon Sep 26, 2016 8:07 am
Forum: Events & other announcements
Topic: London Area Meetings
Replies: 0
Views: 12609

London Area Meetings

AYRS will be holding a meeting at Thorpe Village Hall on Sunday 6th November 2016 starting at 9.00am. As usual you need to bring a packed lunch, tea and coffee will be available. Our next meeting there will be on Sunday 22 January 2017 and will include the AGM; your chance to influence the future of...
by Fredthecharlie
Wed Oct 14, 2015 1:49 pm
Forum: Events & other announcements
Topic: Speedweek 2015
Replies: 0
Views: 12741

Speedweek 2015

The results of speedweek can be found at http://www.speedsailing.com
Alex Powell with Awol was fastest boat.
I note that Malcolm with Nimbus was fastest boat on one of the days
by Fredthecharlie
Tue Oct 13, 2015 11:07 pm
Forum: Events & other announcements
Topic: Innovation award at Speedweek
Replies: 0
Views: 12608

Innovation award at Speedweek

At the AYRS meeting on Wednesday 7th October I awarded Malcolm Barnsley the Innovation Award retrospectively for Sail Rocket and also for endeavour, in the last two years in spite of illness he has built 3 small trimarans one of which Nimbus a 12ft inclined foil stabilised version he was sailing in ...