Chapter 4

COST RESTRICTIONS

MATERIALS

400. HULL, DECK, INTERNAL STRUTURE AND FIXTURES

Materials forbidden in the construction of the hull, deck, the interior structure and fittings are: Fibres: Carbon fibre, Aramide fibre and S or R Glass fibre (only E Glass is permitted) Cores: Nomex and Aluminium alloy Honeycomb cores

401. CHAINPLATES

Titanium and carbon are forbidden.

402. PULLPIT, PUSHPITS AND STANCHIONS

Any material other than steel is forbidden

OSR 3.14.3a): delete the terms “forward of the headstay” in the official English version

403. BALLAST

All materials denser than lead are forbidden.

404. KEEL FOIL, RUDDER AND STEERING SYSTEM

The forbidden materials are:

Carbon fibre, S or R Glass, Titanium, Nomex and Aluminium alloy Honeycomb cores

The milling of metallic keel fin is forbidden

405. MAST, BOOM, POLE AND BOWSPRIT

The forbidden materials are:

Titanium, Carbon fibre whose tension modulus is greater than 245 GPa (manufacturer certification compulsory), Halyard locks/hooks are forbidden

406. LATERAL STANDING RIGGING

Any material other than steel is forbidden

407. SAIL MATERIALS

See § 103 and 212.05

Chapter 5

CONSTRUCTION PROCESSES

500. HULL, DECK, INTERNAL STRUTURE AND FIXTURES

Processes involving resin pre impregnated reinforcements are forbidden in the construction of the hull, deck, internal structure and fittings.