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Enterprise new Rules for 2009

INTERNATIONAL ENTERPRISE CLASS
The following amendments to the Class Rules have been approved to
be effective 1st March 2009 by the Class Rules Sub Committee.
Rule C.11 (A)
Amendment: Replace the existing rule
11. CENTREBOARD
(A) The centreboard shall be of the general size and shape shown on the
plans and shall have maximum width 407 mm and maximum length 940
mm from the centre of the bolt hole which shall be not less than 101 mm
from the fore edge of the centreboard. The radius of the corners of the
immersed portion shall be optional to a maximum of 80 mm.
The centreboard shall be constructed of plywood, solid wood, glass
reinforced plastic with or without a plastic foam core or any combinations
of these materials. The type of resin and or coating is optional. It shall not
be less than 14 mm and not more than 23 mm thick. It shall be of even
thickness throughout except that the edges may be bevelled to a
maximum of 51 mm from each edge. It shall be permissable for the whole
of the part of the centreboard which does not protrude below the keel to
be built up in equal, uniform thicknesses on each side to reduce sideplay.
Rule C.12 (A)
Amendment: Replace the existing rule
12. RUDDER
(A) The rudder stock shall be of optional design and material.
The rudder blade shall be constructed of plywood or solid wood, glass
reinforced plastic with or without a plastic foam core or any combinations
of these materials. The type of resin and or coating is optional.
The rudder blade shall pivot within the stock.
Below the line of the keel the blade shall be in accordance with one of the
two designs shown on the plans.
Above the line of the keel the shape of the blade may be modified to fit
the rudder stock.
Blade 1: Extension below keel: 538 mm maximum. Width: 318 mm
maximum.
Blade 2: Extension below keel: 614 mm maximum: Width: 254 mm
maximum.
Width shall be measured at right angles to the line of maximum length.
Thickness of the blade shall be 19 mm +/- 3 mm. The blade shall be of
even thickness throughout except that the edges may be bevelled to a
maximum of 51 mm from the edge.
Extension of the blade below the keel shall be measured with the blade
fully down. The measurement shall be from the aft lower edge of the keel,
excluding keel band and parallel with the aft face of the transom.
INTERNATIONAL ENTERPRISE CLASS
Rule C.13 - Tiller
Amendment: Delete the last sentence of the current rule
13. TILLER
The type and length of the tiller is optional.
Either position of the tiller port may be used, but where the higher port is used, it
shall be spanned by a mainsheet track.
Rule C.17 - Boom
Amendment: Add new sub part to the rule and renumber existing part (c) to (d)
(c) The boom shall include a spar groove or track which may or may not be integral
with the spar with a minimum length of 2400mm from the outer distance mark.
Rule C.18 (H)
Amendment: A
18. FITTINGS
(H) Accessories (optional)
(1) Jibsticks. The overall length shall be 1336 mm +/- 36 mm and the
diameter shall be not more than 64 mm. One end shall be fitted to
the jib and the other end to the mast when in use.Whisker Pole
(2) Fittings, cleats, pulleys and or leads for the adjustment of the
whisker pole
(32) A compass and or timing devices may be attached to any part of
the hull or spar.
Existing class rule (3) renumber accordingly
Rule 19.1.2. SAILS
Amendment: Change references from the “ISAF Sail Measurement rules” to the
“ISAF Equipment Rules of Sailing”
Rule 19.2.2 MAINSAIL DIMENSIONS
Amendment: Add to the end of the existing rule
minimum maximum
Distance from clew point to foot bolt rope 100 mm
Distance from tack point to foot bolt rope 250 mm
Rule 19.6.1 Additional Rules
Amendment: Replace existing rule
19.6.1 The foot bolt rope shall be in the boom spar sail track. Loose footed mainsails
are PROHIBITED.


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