International 505
Class
The following amendments to the Class Rules have been approved to be effective
from 1st January 2000
5.0 The Hull
Amendment: delete present rules 5.8.2 to 5.8.5 and insert:
5.8 Weight
5.8.2 The sailing weight in dry condition shall not be less than 127.4kg. The
sailing weight is the weight of the hull including metal ballast, the spars, standing and
running rigging, centreboard, rudder and tiller, but excluding the sails and battens.
Fittings and components of exaggerated weight and artificially heavy areas construction
are not permitted: examples include use of lead or other heavy metals, except for ballast
permitted under Rule B-5.8.3.
5.8.3 If the sailing weight is less than 127.4kg. the difference, without limit,
shall be made up by metal ballast touching the centreboard case or spine and visible when
viewed from a standing position next to the boat, half between 1100mm and 1500mm and half
between 2900mm and 3500mm from Station 11, such ballast to be retained for the life of the
boat or until the boat is reweighed in accordance with Rule B - 5.8.5.
5.8.4 Each piece of metal ballast shall be hard stamped in a visible place with
its weight in kilograms to the nearest 0.1 kilograms and a serial number to identify the
piece of ballast and the total number of pieces used in the boat
5.8.5 Boats may be reweighed at any time by a Class Measurer providing that
immediately prior to reweighing, the boat has not touched water for a period of at least
two weeks, The sailing weight and the number and weight of ballast pieces shall be
recorded on the certificate by the Measurer. The metal ballast referred to in Rule B -
5.8.3 may only be removed or reduced at a reweighing commissioned by the owner under this
paragraph and such reweighings may only take place at intervals greater than 12 months.
8.0 Sails
The rules in Class Rule 8 are closed Class Rules
Amendment - delete present rule and insert:
8.1 General
8.1.1 Sails shall be made and measured in accordance with the ISAF Equipment
Rules of Sailing and comply with their requirements. In the event of conflict with these
Class Rules, the Class Rules shall prevail.
Amendment: - delete present rule and insert:
8.1.5 Sail reinforcement is not restricted.
Amendment: delete present rule and insert:
8.2 Mainsail
8.2.2 The luff and the foot of the mainsail shall be secured to the mast and
boom respectively over at least 80 per cent of their lengths.
The half-height width is the distance between points on the luff and leech found
by folding the sail with the upper inner corner of the headboard first at the tack then at
the clew. The three-quarter height width is the distance between the points on the luff
and the leech found by folding the sail with the upper inner corner of the headboard first
at the half-height of the luff, then at the half height of leech. The tack is the point
where the luff and foot, if extended, would intersect, ignoring any round or hollow.
Amendment: delete present rule and insert:
8.2.3 The following dimensions, including boltropes where fitted, shall not be
exceeded:
- Top width
- Width at upper leech point
| 325mm from head point 270mm |
|
- Three-quarter width
- Half width
- Leech length
Amendment: delete present rule:
8.2.4 Not more than four battens may be used to support the leech. At the leech,
the centre of the top batten pocket shall be between 1450mm and 1550mm from the head
point, and the centre of the bottom batten pocket shall be between 1250mm and 1490mm from
the clew point. No batten pocket shall be located less than 1000mm from any other batten
pocket. No batten or pocket shall exceed 1180mm in length
Amendment: delete present rule and insert:
8.3 Headsail
8.3.1 The headsail shall conform to the official rules and diagrams, except that
a sail smaller in any dimension except batten position is allowed.
8.3.2 The leech from the aft head point to the clew point shall be a straight line or
concave curve
Amendment: delete present rule and insert:
8.3.3 The following dimensions shall not be exceeded:
- Luff length
- Foot length
- Leech length
- Top width
Amendment: delete present rule and insert:
8.4 Spinnaker
8.4.2 The following dimensions shall not be exceeded:
- Leech length
- Foot median (head point to mid foot point)
- Foot length
- Half width
8.4.3 The half width shall be not less than 75% of the foot length.
12.0 Crew and Weight of Clothing and Equipment
Delete Rule 12.4 and replace Rule 12.3 with:
12.3 (RRS 43.1) A competitor�s clothing and equipment shall not weigh more than
10 kilograms, excluding a hiking or trapeze harness and clothing (including footwear) worn
only below the knee. In all other respects, the provisions of RRS 43 shall apply.
Amendment: Delete Rule 22.0 and insert the following Rule 13.0 in Class Rules B:
13.0 Propulsion
In accordance with RRS 86.1(c), RRS 42.3(b) is not applicable and the following
Class Rule is substituted:
Except on a beat to windward, when surfing (rapidly accelerating down the
leeward side of a wave) or planing is possible, the boat�s crew may pull the sheet and
guy controlling any sail in order to accelerate a boat down the face of the wave or in
response to a gust, but not more than three repeated pulls and releases of the sail may be
made for each wave or gust of wind.
Re-number current Rule 13.0 (Temporary Rules) to become Rule 15.0:
15.0 Temporary Rules