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ePaper created 2014-06-11, 13:05:34 | version 1.30.01
176 cm) measuring from the back of the mast to the centre of the clevis pin. (g) In all mast installed after 1 July 1985 the forestay must be fixed to the top of the mast at a distance no greater than 2”( 5.08 cm) measuring from the front face of the mast to the centre of the clevis pin. (h) In all masts constructed after 4 December 1985 the mast head must conform in all aspects to the plan. (i) For championship boats the mast rake is to be between 1-18 to 1-22,in normal racing trim,without crew and to comply with the Committee’s measurement procedures. (j) There shall be one spinnaker pole 15”(4.57 metres) overall and be of wood and/or aluminium only. (k) All jockey poles built after 4 December 1985 shall be 6’6” (1.98 metres) maximum overall and shall be of wood and/or aluminium only. (l) Bridle backstays to a maximum height of 9’(2.74 metres) up the backstay from the transom are permitted. (m) Hydraulic adjusters are allowed on the backstay only. (n) Booms shall be of aluminium only and shall measure no less than 17.2”(5.23 metres) from the rear edge of the mast. From 13 July 1982 new booms to have a maximum depth including track of 10” (25.4 cm). All weight saving holes in the boom to remain uncovered. (o) The rigging is to be as drawn on the plans and to be stainless steel or galvanised steel. (p) Boats may use rod in all standard rigging. (q) Rigging screws other than on the backstay may be adjusted during a race if desired but only by undoing the split pins, lock screws or stainless wire which prevents them unwinding. Ratchet adjustable rigging screws or similar are prohibited. (r) The chain plates shall be in the position as drawn on the plans and no more than 3”(7.62 cm) inside the hull’s exterior surface. (s) The length of every crosstree measured from the face of the mast is 4’(121.91 cm).On all new boats from 4 December 1985 the spreaders shall be raked 12.5”(31.75 cm) plus or minus half an inch (1.27 cm) from the back face of the mast to the aft face of the cap shroud. Spreaders shall be fixed. (t) The spreaders shall be fitted no more than 20’6”(6.25 metres) and no less than 19’3”(5.87 metres) from the top of the mast and in new mast the spreaders shall be fitted 27’3”(8.31 metres) from the foot of the mast or 20’3”(6.17 metres) from the top. (u) The cap shroud can be no more than 12”(30.48 cm) from the top of the mast. 7. KEEL (a) All keels built after 21 August 1979 to be constructed of timber in accordance with the plans using lead ballast. The lead shall weigh not more than 30.5 cwt (1550 kilos) and no less than 29.5 cwt. (1498.7 kilos) and shall be the shape shown on the drawing and in the position shown in the drawing. All lead ballast for keels shall be moulded from plaster moulds taken from the wooden plug built in 1981 by John Rea (boat builder). The lead ballast in all keels built after 1 November 1984 shall be 30 cwt. (1524 kilos) plus or minus 20 lbs (9.07 kilos). (b) Internal ballast of lead, pig iron or similar is not permitted except as in hull 2c and 18.1 and 18.2. 8. LIFELINES a) Each yacht must have a pulpit (b) The Class must conform to the R.N.Z.Y.S safety regulations in this respect. (c) All pushpits, pulpits and staunchions shall be constructed of stainless or galvanised steel. 9. SCANTLINGS A scantling list will be supplied with the plans setting down the minimum sizes to be used.