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The Boat - Technical

RS700 2018 Technical Bulletin


Posted: 03/04/2020

Taken From “2018 Chairman’s Dit” by Richard Wadsworth

Boat Developments

In order to improve the boat’s resilience, sailability and keep it feeling modern; a number of minor changes have been made recently by the Builder and Class Association:

  1. Daggerboard: The vote to allow the adoption of the RS Aero daggerboard has been approved and all new RS700s will still be supplied with this style of daggerboard. When current stocks of the old RS700 board have been exhausted they will no longer be available.  Old and new style boards are class legal.
  2. Rudder Stock: The use of the new style one piece rudder stock with carbon tiller is now standard issue with the new boats and is class legal.
  3. Hull Structure: A new hull mould has now been produced. The internal structure of the new boats has been modified to increase the strength of the more fragile areas of the hull.  It also features modifications such as an inspection hatch and a non-raking daggerboard slot.
  4. Gooseneck: In recognition that that the original goosenecks could fail, a new stronger gooseneck can be purchased from RS.
  5. Spreader Brackets: A set of nylon inserts can be bought from RS that go inside thes preader brackets to prevent the bolt holes wearing through. 

As a reminder, from last season (2017):

  1. Kicking Strap: The purchase on this can now be increased from 16:1 to 24:1. This is to make it easier to apply; not to let you pull more on - so use with caution!
  2. Rig Tensioner: The purchase on the rig tensioner can now be increased from 6:1 up to a maximum of 12:1 (although most now use 8:1 or 10:1).  This is to prevent you having to stand on your boat to apply the required tension!

See the latest RS700 Rules version 8 Feb 2018 here

Outcome of Membership Vote - Changes to RS700 Class Rules


Posted: 21/04/2005
At the RS700 class meeting held during the 2003 National Championships it was agreed that the class would embark upon trials of a revised 66% weight and leverage equalisation system. The objective of the class in reviewing this was to make racing closer and so more enjoyable, attract new people into the class and retain existing people, to implement a system that is both practical and capable of being policed, and to minimise the cost and complexity of any changes

A vote was held in early 2004 which agreed that a proposed new equalisation system should be trialled in the 2004 racing season. Following the completion of the 2004 season, it was proposed that the new equalisation system was implemented, and an appropriate vote has just been held.

It was proposed that the wording of paragraph 3.0 (Performance Compensation) of Appendix 7 to the RS Class Rules was changed.

18 votes were received - many thanks to the voters. It was agreed, by 15 votes to 3 (81%), that the wording to paragraph 3 be amended as proposed.

The revised rules are now in place, and are available under documents on the RS website, or from the RS Office. The RS700 Class Rules in the 2005 Yearbook are therefore out of date.

Outcome of Membership Vote - Changes to RS700 Class Rules


Posted: 22/01/2003
Further to discussions at the 2002 RS700 National Championships, and subsequent consideration of RS700 committee, Rules Co-ordinator, and other interested parties, the rule changes below were suggested. Thank you to everyone who took the time to vote.

New sub-paragraph 1.2.12 Trapeze handles, rings and adjuster cleats

New sub-paragraph 1.2.13 Spinnaker halyard pump handles

New sub-paragraph 1.3.19 Aluminium intermediate wing bars, as supplied by the licensed builder, may be used in lieu of 3kg of the lead required in the Rack Setting Tables of Section 3 of the Class Rules. For example, a helmsman required to carry 9kg of lead may instead carry 6kg of lead and a set of intermediate wing bars.

New sub-paragraph 1.3.20 Turnbuckle or bottle-screw style adjusters may be fitted to the lower shrouds in place of the standard shroud-plate arrangement. Adjustment of lower shroud tension is not permitted while racing.

All the above changes have been agreed, the details are given below.

Sub-paragraph Votes for Votes against %age for
1.2.12 18 0 100
1.2.13 18 0 100
1.3.19 18 0 100
1.3.20 14 4 78

The RS700 Class Rules in the 2003 Yearbook will include these additional sub-paragraphs.
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