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Sub-fora discontinued

Last post by John Perry « Fri Oct 28, 2022 4:17 pm
Replies: 1
by AYRSwebadmin » Fri Oct 28, 2022 8:57 am

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Last post by John Perry
Fri Oct 28, 2022 4:17 pm

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solar electric propulsion of a power kat, 6.3 m

Last post by Heimfried « Sun Oct 01, 2023 5:21 pm
Replies: 19
by Heimfried » Sun Apr 11, 2021 9:10 pm

19 Replies

16777215 Views

Last post by Heimfried
Sun Oct 01, 2023 5:21 pm
Suboptimal waterstays for beach trimaran

Last post by lars_soderquist « Sun Jan 08, 2023 2:46 pm
Replies: 2
by lars_soderquist » Wed Feb 23, 2022 12:17 pm

2 Replies

104030 Views

Last post by lars_soderquist
Sun Jan 08, 2023 2:46 pm
A floating Gym

Last post by TheoSchmidt « Thu Oct 27, 2022 5:30 pm
Replies: 1
by John Perry » Thu Oct 13, 2022 12:08 am

1 Replies

58780 Views

Last post by TheoSchmidt
Thu Oct 27, 2022 5:30 pm
Holtom Foiler 21 - any information?

Last post by TheoSchmidt « Thu Oct 27, 2022 5:17 pm
Replies: 1
by John Perry » Sat Oct 22, 2022 4:16 pm

1 Replies

62117 Views

Last post by TheoSchmidt
Thu Oct 27, 2022 5:17 pm
Pedal boat

Last post by Robert Biegler « Mon Jun 20, 2022 6:50 pm

by Robert Biegler » Mon Jun 20, 2022 6:50 pm

0 Replies

90501 Views

Last post by Robert Biegler
Mon Jun 20, 2022 6:50 pm
Tiltable (Flettner) Rotor sails on Baltic Sea ferry

Last post by TheoSchmidt « Sun Mar 13, 2022 8:16 am
Replies: 1
by AYRS Editor » Thu Jan 21, 2021 12:22 pm

1 Replies

79728 Views

Last post by TheoSchmidt
Sun Mar 13, 2022 8:16 am
Saint Lawrence's Yawl

Last post by AlexQ23 « Sun Oct 31, 2021 10:41 am

by AlexQ23 » Sun Oct 31, 2021 10:41 am

0 Replies

97995 Views

Last post by AlexQ23
Sun Oct 31, 2021 10:41 am
Williwaw hydrofoil

Last post by Adventure Trimarans « Tue Sep 28, 2021 5:41 pm
Replies: 2
by Chris Clarke » Sat Sep 12, 2020 10:06 pm

2 Replies

81899 Views

Last post by Adventure Trimarans
Tue Sep 28, 2021 5:41 pm
Forward facing rowing

Last post by fishwics « Sat Aug 28, 2021 4:10 pm

by fishwics » Sat Aug 28, 2021 4:10 pm

0 Replies

108503 Views

Last post by fishwics
Sat Aug 28, 2021 4:10 pm
Syroco proposal for Sailing Speed Record Challenger

Last post by Robert Biegler « Sat Oct 24, 2020 2:28 pm
Replies: 3
by John Perry » Mon Oct 19, 2020 11:06 am

3 Replies

207275 Views

Last post by Robert Biegler
Sat Oct 24, 2020 2:28 pm
Asymmetric outrigger hulls or amas

Last post by Robert Biegler « Sat Sep 05, 2020 11:11 am
Replies: 2
by george_dimsdale » Thu Jun 25, 2020 2:24 am

2 Replies

103826 Views

Last post by Robert Biegler
Sat Sep 05, 2020 11:11 am
Power from kites

Last post by John Perry « Tue Jun 30, 2020 9:07 pm

by John Perry » Tue Jun 30, 2020 9:07 pm

0 Replies

136251 Views

Last post by John Perry
Tue Jun 30, 2020 9:07 pm
Antifouling

Last post by John Perry « Tue Jun 30, 2020 7:41 pm
Replies: 1
by Robert Biegler » Mon Jun 15, 2020 2:30 pm

1 Replies

64875 Views

Last post by John Perry
Tue Jun 30, 2020 7:41 pm
Paradox/Yuloh/Electric

Last post by John Perry « Sat Jun 06, 2020 7:14 pm
Replies: 1
by Chris Clarke » Sun May 10, 2020 12:41 pm

1 Replies

69562 Views

Last post by John Perry
Sat Jun 06, 2020 7:14 pm
Halyard locks and reefing hooks

Last post by Gerdos « Mon May 04, 2020 2:57 pm
Replies: 8
by John Perry » Tue Apr 07, 2020 9:19 am

8 Replies

204297 Views

Last post by Gerdos
Mon May 04, 2020 2:57 pm
AC 75 Now Afloat

Last post by Gigliobianco52+ « Thu Mar 12, 2020 8:25 am
Replies: 3
by John Perry » Sun Sep 08, 2019 12:02 pm

3 Replies

72156 Views

Last post by Gigliobianco52+
Thu Mar 12, 2020 8:25 am
Hydrofoiling Europe-Dinghy

Last post by fishwics « Fri Dec 06, 2019 2:31 pm

by fishwics » Fri Dec 06, 2019 2:31 pm

0 Replies

95775 Views

Last post by fishwics
Fri Dec 06, 2019 2:31 pm
The Ship thats a Wing

Last post by Fredthecharlie « Fri Dec 06, 2019 10:26 am

by Fredthecharlie » Fri Dec 06, 2019 10:26 am

0 Replies

95617 Views

Last post by Fredthecharlie
Fri Dec 06, 2019 10:26 am
David Lewis / Cardinal Vertue / Rehu Moana / OSTAR 1960 & '64

Last post by AYRS Secretary « Sat Nov 30, 2019 8:43 pm

by AYRS Secretary » Sat Nov 30, 2019 8:43 pm

0 Replies

96461 Views

Last post by AYRS Secretary
Sat Nov 30, 2019 8:43 pm
MicroTransat

Last post by Dikshavarma « Wed Aug 07, 2019 11:56 am
Replies: 21
by AYRSwebadmin » Fri Jan 20, 2017 8:54 am

21 Replies

348877 Views

Last post by Dikshavarma
Wed Aug 07, 2019 11:56 am
Aerodynamic Lift to improve performance

Last post by Fredthecharlie « Mon Jul 29, 2019 8:24 am

by Fredthecharlie » Mon Jul 29, 2019 8:24 am

0 Replies

110290 Views

Last post by Fredthecharlie
Mon Jul 29, 2019 8:24 am
Chapman Sands SC threatened with closure

Last post by fishwics « Fri Jun 14, 2019 8:26 pm

by fishwics » Fri Jun 14, 2019 8:26 pm

0 Replies

97351 Views

Last post by fishwics
Fri Jun 14, 2019 8:26 pm
Boat with suspension

Last post by Robert Biegler « Thu May 02, 2019 8:47 pm

by Robert Biegler » Thu May 02, 2019 8:47 pm

0 Replies

109352 Views

Last post by Robert Biegler
Thu May 02, 2019 8:47 pm
AC75 Class Rule

Last post by John Perry « Tue Feb 12, 2019 11:21 am

by John Perry » Tue Feb 12, 2019 11:21 am

0 Replies

100165 Views

Last post by John Perry
Tue Feb 12, 2019 11:21 am
Press release: AC50 catamaran will do 20mph SOG against a 10mph tide in zero wind?

Last post by Ricsalop « Sun Feb 10, 2019 7:48 pm
Replies: 2
by dave367 » Sat Feb 02, 2019 7:26 pm

2 Replies

80563 Views

Last post by Ricsalop
Sun Feb 10, 2019 7:48 pm
Foiling Sailboards "porpoising"

Last post by fishwics « Mon Jan 21, 2019 11:41 am

by fishwics » Mon Jan 21, 2019 11:41 am

0 Replies

98976 Views

Last post by fishwics
Mon Jan 21, 2019 11:41 am
Ngalwa Sailing in Tanzania

Last post by fishwics « Mon Dec 03, 2018 5:45 pm
Replies: 1
by allen92 » Mon Dec 03, 2018 2:01 am

1 Replies

71432 Views

Last post by fishwics
Mon Dec 03, 2018 5:45 pm
Microtransat

Last post by John Perry « Tue Nov 06, 2018 2:14 pm
Replies: 3
by Fredthecharlie » Sun Sep 30, 2018 5:36 pm

3 Replies

76396 Views

Last post by John Perry
Tue Nov 06, 2018 2:14 pm
Kasala latest news: crutches’ corner

Last post by AlexQ23 « Sun Oct 14, 2018 8:13 pm
Replies: 12
by AlexQ23 » Sun Nov 26, 2017 8:03 pm

12 Replies

194192 Views

Last post by AlexQ23
Sun Oct 14, 2018 8:13 pm
Trailers, a warning

Last post by John Perry « Thu Oct 11, 2018 8:47 pm
Replies: 2
by Fredthecharlie » Fri Dec 23, 2016 4:37 pm

2 Replies

76684 Views

Last post by John Perry
Thu Oct 11, 2018 8:47 pm
Half yacht half submarine

Last post by Simons11 « Fri Jun 29, 2018 1:44 pm

by Simons11 » Fri Jun 29, 2018 1:44 pm

0 Replies

99745 Views

Last post by Simons11
Fri Jun 29, 2018 1:44 pm
Flettner rotor ship

Last post by fishwics « Fri Nov 10, 2017 3:50 pm
Replies: 5
by fishwics » Thu Oct 06, 2016 10:50 am

5 Replies

177315 Views

Last post by fishwics
Fri Nov 10, 2017 3:50 pm
Ultimate Sailing for Oldies

Last post by Ducktyles « Wed Aug 16, 2017 11:27 am
Replies: 1
by rglencross » Wed Jan 04, 2017 10:07 am

1 Replies

104459 Views

Last post by Ducktyles
Wed Aug 16, 2017 11:27 am
The WindFly Rig - Fast and stable kite boats - no heel, no leeway

Last post by Bruce M « Wed May 17, 2017 8:47 am
Replies: 5
by Bruce M » Fri Apr 28, 2017 4:12 pm

5 Replies

115154 Views

Last post by Bruce M
Wed May 17, 2017 8:47 am
Offshore-capable foiler

Last post by fishwics « Mon Feb 06, 2017 9:00 pm

by fishwics » Mon Feb 06, 2017 9:00 pm

0 Replies

107728 Views

Last post by fishwics
Mon Feb 06, 2017 9:00 pm
Mark Hillman's proa

Last post by Robert Biegler « Sat Feb 04, 2017 5:34 pm

by Robert Biegler » Sat Feb 04, 2017 5:34 pm

0 Replies

103470 Views

Last post by Robert Biegler
Sat Feb 04, 2017 5:34 pm
Autonomous ships

Last post by Robert Biegler « Sun Jan 29, 2017 6:20 pm
Replies: 2
by Fredthecharlie » Thu Nov 24, 2016 6:04 pm

2 Replies

98256 Views

Last post by Robert Biegler
Sun Jan 29, 2017 6:20 pm
London Boat Show

Last post by Fredthecharlie « Sun Jan 08, 2017 8:38 am

by Fredthecharlie » Sun Jan 08, 2017 8:38 am

0 Replies

103840 Views

Last post by Fredthecharlie
Sun Jan 08, 2017 8:38 am
Kite surfing

Last post by fishwics « Mon Nov 14, 2016 11:09 pm
Replies: 1
by Fredthecharlie » Mon Nov 14, 2016 8:56 pm

1 Replies

114305 Views

Last post by fishwics
Mon Nov 14, 2016 11:09 pm

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