Class Rules

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IOMICA advice on "new ideas" and the class rules

Last post by Zoltan G Illes « 02 Nov 2025, 22:40
Replies: 6
by Chairman » 27 May 2004, 08:32

6 Replies

50902 Views

Last post by Zoltan G Illes
02 Nov 2025, 22:40
IOMICA policy on requests for interpretation

Last post by Chairman « 19 May 2004, 19:14

by Chairman » 19 May 2004, 19:14

0 Replies

36694 Views

Last post by Chairman
19 May 2004, 19:14
The size of a vang/kicking strap ... discussion

Last post by Andrew Crocker « 25 Feb 2026, 21:55
Replies: 71
by Andrew Crocker » 14 Jan 2026, 23:51
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71 Replies

35846 Views

Last post by Andrew Crocker
25 Feb 2026, 21:55
Guidance Request for Rule C.6.3

Last post by Andrew Crocker « 01 Jan 2026, 21:13
Replies: 2
by Malcolm Smith » 14 Oct 2025, 13:52

2 Replies

16105 Views

Last post by Andrew Crocker
01 Jan 2026, 21:13
Kicking strap 2025 AMG

Last post by Bob Lewis « 28 Oct 2025, 23:46
Replies: 14
by Zvonko » 06 Oct 2025, 08:37

14 Replies

29101 Views

Last post by Bob Lewis
28 Oct 2025, 23:46
Waiting for ruling on 'Billboard'

Last post by Bruce Andersen « 03 Mar 2025, 23:48
Replies: 6
by Art Prufer » 15 Jan 2024, 17:06

6 Replies

51697 Views

Last post by Bruce Andersen
03 Mar 2025, 23:48
Certificated manufacturers?

Last post by Jorn Hoelsaether « 15 Sep 2024, 21:52
Replies: 1
by Riku Lindström » 07 Sep 2024, 13:24

1 Replies

16606 Views

Last post by Jorn Hoelsaether
15 Sep 2024, 21:52
3d printed interior

Last post by Juan Marcos Egea « 26 Aug 2023, 09:19
Replies: 1
by Henri Winters » 06 Aug 2023, 14:07

1 Replies

20027 Views

Last post by Juan Marcos Egea
26 Aug 2023, 09:19
Sail Shape

Last post by Mark Harris « 27 Jun 2022, 13:37

by Mark Harris » 27 Jun 2022, 13:37

0 Replies

54265 Views

Last post by Mark Harris
27 Jun 2022, 13:37
jib boom counterweight

Last post by Bruce Andersen « 19 Apr 2021, 23:46
Replies: 2
by YNESTA Joseph » 18 Apr 2021, 14:06

2 Replies

29843 Views

Last post by Bruce Andersen
19 Apr 2021, 23:46
Pultruded Carbon Spars

Last post by Richard Moroney « 19 Mar 2021, 12:59
Replies: 11
by David L Alston » 17 Aug 2015, 08:49

11 Replies

54615 Views

Last post by Richard Moroney
19 Mar 2021, 12:59
3D Printed Hull

Last post by YNESTA Joseph « 07 May 2020, 14:28
Replies: 9
by Antoine FLEURY » 11 Feb 2019, 11:05

9 Replies

43972 Views

Last post by YNESTA Joseph
07 May 2020, 14:28
IOM ONE DESIGN CLASS

Last post by Dave Pickett « 15 Jul 2019, 16:31
Replies: 1
by david milner-lees » 18 Jun 2017, 10:21

1 Replies

23664 Views

Last post by Dave Pickett
15 Jul 2019, 16:31
floatation

Last post by Bruce Andersen « 30 Dec 2018, 17:02
Replies: 5
by John Ball » 17 Jan 2018, 18:20

5 Replies

35475 Views

Last post by Bruce Andersen
30 Dec 2018, 17:02
Keel

Last post by Antoine FLEURY « 18 Apr 2018, 13:42
Replies: 2
by Antoine FLEURY » 17 Apr 2018, 18:42

2 Replies

23235 Views

Last post by Antoine FLEURY
18 Apr 2018, 13:42
2017 Class Rules

Last post by Jerry Brower « 16 Apr 2017, 01:33
Replies: 3
by Jerry Brower » 04 Apr 2017, 17:48

3 Replies

25205 Views

Last post by Jerry Brower
16 Apr 2017, 01:33
2016 IOMICA Motions

Last post by John Ball « 06 Feb 2017, 19:21
Replies: 4
by John Ball » 21 Dec 2016, 18:47

4 Replies

31551 Views

Last post by John Ball
06 Feb 2017, 19:21
Amendments to Class Rules – Sails

Last post by David Alston « 24 Dec 2016, 13:20

by David Alston » 24 Dec 2016, 13:20

0 Replies

55946 Views

Last post by David Alston
24 Dec 2016, 13:20
Flotation

Last post by David L Alston « 10 Aug 2015, 18:22
Replies: 11
by Stevew23 » 26 Jul 2015, 20:37

11 Replies

47545 Views

Last post by David L Alston
10 Aug 2015, 18:22
Emergency Class Rule Change - Gooseneck Fittings

Last post by Barry Fox CAN262 « 20 Jun 2015, 23:31
Replies: 1
by Barry Fox CAN262 » 17 Jun 2015, 21:42

1 Replies

24655 Views

Last post by Barry Fox CAN262
20 Jun 2015, 23:31
What "..shall pass through a 20mm, ring gauge." BOOM F.4.5

Last post by James Chrismas « 18 Mar 2015, 08:48
Replies: 30
by James Chrismas » 07 Nov 2014, 14:43
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2
30 Replies

131214 Views

Last post by James Chrismas
18 Mar 2015, 08:48
Interpretation - jib boom topping lift restraint line

Last post by RoyL « 26 Sep 2014, 17:09
Replies: 3
by Robert Grubisa » 23 Aug 2014, 12:50

3 Replies

28356 Views

Last post by RoyL
26 Sep 2014, 17:09
Interpretation of IOM CR - wind indicators & telltales

Last post by jon ssimpson « 03 Sep 2014, 02:04
Replies: 11
by Robert Grubisa » 27 Dec 2013, 23:03

11 Replies

50954 Views

Last post by jon ssimpson
03 Sep 2014, 02:04
Can I use kevlar or carbon tow to attach the gooseneck/vang

Last post by James Chrismas « 25 Aug 2014, 11:32
Replies: 10
by James Chrismas » 15 Aug 2014, 18:07

10 Replies

46015 Views

Last post by James Chrismas
25 Aug 2014, 11:32
2013 AGM

Last post by Jens Amenda « 21 Nov 2013, 19:36
Replies: 1
by Jens Amenda » 21 Nov 2013, 19:20

1 Replies

22855 Views

Last post by Jens Amenda
21 Nov 2013, 19:36
Wording of rule changes

Last post by Stevew23 « 27 Apr 2013, 14:13
Replies: 2
by Stevew23 » 22 Apr 2013, 00:10

2 Replies

26129 Views

Last post by Stevew23
27 Apr 2013, 14:13
Interpretation of IOM CR: chainplate positions

Last post by Robert Grubisa « 10 Apr 2013, 16:05
Replies: 1
by Robert Grubisa » 12 Mar 2013, 22:49

1 Replies

23632 Views

Last post by Robert Grubisa
10 Apr 2013, 16:05
IOM Class Rules - Edition 2013

Last post by Robert Grubisa « 28 Feb 2013, 22:21

by Robert Grubisa » 28 Feb 2013, 22:21

0 Replies

24984 Views

Last post by Robert Grubisa
28 Feb 2013, 22:21
Spreader Patches

Last post by Don Case « 08 Sep 2012, 21:48

by Don Case » 08 Sep 2012, 21:48

0 Replies

24540 Views

Last post by Don Case
08 Sep 2012, 21:48
Carbon Bodied Goosenecks

Last post by John Ball « 04 Sep 2012, 18:46
Replies: 1
by Simon Lawson » 02 Sep 2012, 19:17

1 Replies

24005 Views

Last post by John Ball
04 Sep 2012, 18:46
new material based on wood

Last post by John Ball « 29 Aug 2012, 20:47

by John Ball » 29 Aug 2012, 20:47

0 Replies

23855 Views

Last post by John Ball
29 Aug 2012, 20:47
Asking for interpretation - kicking strap

Last post by Robert Grubisa « 02 Aug 2012, 18:00
Replies: 2
by Robert Grubisa » 01 Mar 2012, 20:06

2 Replies

25666 Views

Last post by Robert Grubisa
02 Aug 2012, 18:00
Data transmission from the boat

Last post by Bruce Andersen « 28 Jul 2012, 19:33
Replies: 41
by Nigel » 11 Feb 2012, 18:32
1

2
41 Replies

168935 Views

Last post by Bruce Andersen
28 Jul 2012, 19:33
Rules interpretation

Last post by Barry Fox CAN262 « 22 Jul 2012, 01:01
Replies: 3
by Don Case » 20 Jul 2012, 18:49

3 Replies

26936 Views

Last post by Barry Fox CAN262
22 Jul 2012, 01:01
Sailsetc Head fitting 23-100 as my upper limit band

Last post by Paul Schnider « 17 Jul 2012, 20:36
Replies: 2
by Paul Schnider » 17 Jul 2012, 14:00

2 Replies

24504 Views

Last post by Paul Schnider
17 Jul 2012, 20:36
Class Rule Resolutions

Last post by Barry Fox CAN262 « 17 May 2012, 20:49

by Barry Fox CAN262 » 17 May 2012, 20:49

0 Replies

23100 Views

Last post by Barry Fox CAN262
17 May 2012, 20:49
IOM Class Rules and MFs - 2012 Edition

Last post by Robert Grubisa « 02 Apr 2012, 18:01
Replies: 13
by Robert Grubisa » 29 Feb 2012, 11:26

13 Replies

47703 Views

Last post by Robert Grubisa
02 Apr 2012, 18:01
Moulded sails -- future rule change?

Last post by Dave Alston « 07 Sep 2011, 14:03
Replies: 9
by Lester » 04 Sep 2011, 14:07

9 Replies

506722 Views

Last post by Dave Alston
07 Sep 2011, 14:03
Single Panel Molded Sails

Last post by Zvonko « 05 Sep 2011, 13:21
Replies: 90
by RoyL » 16 Jun 2011, 22:20
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2

3

4
90 Replies

363211 Views

Last post by Zvonko
05 Sep 2011, 13:21
IOM Class Rules change proposal-battens, pockets, leech, etc

Last post by Dave Alston « 20 Jul 2011, 20:23
Replies: 3
by Robert Grubisa » 14 Jul 2011, 17:23

3 Replies

29323 Views

Last post by Dave Alston
20 Jul 2011, 20:23
Interpretation of IOM CR: rudders arrangement

Last post by Antonio Espada « 24 Jun 2011, 16:48
Replies: 6
by Robert Grubisa » 17 Sep 2010, 15:45

6 Replies

33817 Views

Last post by Antonio Espada
24 Jun 2011, 16:48
use of carbon fibre to control the rudder?

Last post by Patrick Parisienne « 12 Apr 2011, 10:04
Replies: 7
by Dave Pickett » 06 Apr 2011, 22:27

7 Replies

37618 Views

Last post by Patrick Parisienne
12 Apr 2011, 10:04
Asking for Interpretation - rigging

Last post by Larry Brockway « 12 Mar 2011, 00:01
Replies: 13
by Robert Grubisa » 10 Nov 2010, 22:10

13 Replies

53505 Views

Last post by Larry Brockway
12 Mar 2011, 00:01
IOM Class Rules 2011

Last post by Ken Dobbie « 16 Feb 2011, 00:01
Replies: 1
by Robert Grubisa » 12 Feb 2011, 15:43

1 Replies

24151 Views

Last post by Ken Dobbie
16 Feb 2011, 00:01
Telemetry again

Last post by Marko Majic « 15 Feb 2011, 23:17
Replies: 2
by John Ball » 27 Jul 2010, 20:50

2 Replies

26543 Views

Last post by Marko Majic
15 Feb 2011, 23:17
D.2.2.b confusion

Last post by Andy Ashwood « 15 Dec 2010, 17:37
Replies: 3
by Andy Ashwood » 13 Dec 2010, 15:35

3 Replies

28625 Views

Last post by Andy Ashwood
15 Dec 2010, 17:37
Asking for Interpretation - rigging

Last post by Robert Grubisa « 10 Nov 2010, 22:09

by Robert Grubisa » 10 Nov 2010, 22:09

0 Replies

23022 Views

Last post by Robert Grubisa
10 Nov 2010, 22:09
Low friction hull coatings

Last post by John Ball « 17 Oct 2010, 17:40
Replies: 1
by Cort Steck » 17 Oct 2010, 03:45

1 Replies

23431 Views

Last post by John Ball
17 Oct 2010, 17:40
Rigg A Bad design??

Last post by Patrick Parisienne « 12 Oct 2010, 00:54
Replies: 4
by sven.gester » 08 Oct 2010, 17:45

4 Replies

32082 Views

Last post by Patrick Parisienne
12 Oct 2010, 00:54
Another query

Last post by jandejmo « 03 Jun 2010, 07:31
Replies: 7
by Don Case » 31 May 2010, 17:04

7 Replies

38053 Views

Last post by jandejmo
03 Jun 2010, 07:31

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