Layed rope shall be represented with first-quality, twisted, linen line. Wire cable will be used to represent wire cable. Wire will be used to represent wire. Care shall be given to insure the proper color of all rigging. Knots and seizings may be secured with thinned white glue.
Flags shall be such material that a natural appearance as in a calm is achieved.
Deck covering shall be represented as installed on the vessel, including safety treads and nonskid areas. Decks which are bright shall show planking, seams, scarfs, butts, and miters, and shall be rubbed to a dull finish. Paper shall not be used to represent deck coverings.
Hulls shall be built up in lifts of clear, first-grade mahogany or basswood; doweled and glued together with water-resistant glue. The wood shall be completely free of knots, checks, and sap pockets and shall be thoroughly seasoned. Models over 12 inches beam must be hollowed for reduction of weight The hull shall be composed of the least number of parts necessary to achieve the proper shape. An excessive number of glue joints shall be avoided. On models less than 12 inches beam, hull lifts shall be cut to the full body shape: lifts shall not be cut in halves, thereby creating a glue seam along the vertical centerline of the model. The lifts shall conform accurately to lines of the vessel as shown by the plans. A stable, durable, flexible body putty may be used in moderation to fill gaps.
Prior to applying any sealer or primer to the hull, the hull shall, at the builder's expense, be crated and sent to the Curator of Models, Code 301, Naval Surface Warfare Center, Carderock Division, West Bethesda, Maryland 20817-5700 for inspection and testing.
The Curator of Models will inspect the hull for wood-type, grain, seasoning, putty, glue-type, checks, excessive glue joints, and conformity to plans. Samples of wood, glue, and glued pieces may also be required for destructive tests. The Curator of Models shall return the hull, collect freight, as certification of compliance.
Propeller shafts, struts, bearings, bilge keels, etc. will be made from brass, aluminum, or stainless steel.
Propellers should be cast in bronze. If another material is used it shall first be copper plated and then brass plated. Plastic propellers are not permitted.
Fittings and accessories shall be of metal or other suitable material which will permanently hold its shape and will not deteriorate from temperature, humidity, light or chemical reaction with other parts, paint, or the atmosphere. Lead or lead-bearing compounds are not suitable for any component. No ferrous materials shall be used.
Masts, Antenna Masts, Yardarms, etc.
All masts, antenna masts, shafts, yardarms, booms, etc. less than 3/16" diameter shall be metal.
All solder points shall be silver soldered wherever possible.