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Using a C-stand safely is a matter of proper technique, and on the job training. When setting and tightening a grip arm, flag or other equipment in the grip head, it is crucial that the gear be set to one side of the grip head such that the weight causes the locking knob to tighten clockwise, or "righty tighty".
The British Royal Navy adopted and standardized on the Robinson's Disengaging Gear in 1881, [3] and this system was still in use in the late 20th century. The Robinson's Disengaging Gear consists of three mechanisms. There are two disengaging hooks, one at each end of the seaboat, holding the boat to the falls.
By contrast the vane gear offers at least the possibility of an improvised repair at sea, and can usually be rebuilt on land using non-specific parts (sometimes plumbing parts) by a local welder or machinist [citation needed]. To minimize the speed loss by the self steering gear it is essential to have the vessel's sails balanced with little ...
It originates from sail-powered boats and ships. Jury-rigging can be applied to any part of a ship; be it its super-structure (hull, decks), propulsion systems (mast, sails, rigging, engine, transmission, propeller), or controls (helm, rudder, centreboard, daggerboards, rigging). Similarly, a jury mast is a replacement mast after a dismasting. [2]
The Falmouth Cutter 34 is a recreational keelboat, built predominantly of fibreglass, with extensive wooden decks and trim. It has a cutter rig , with an optional gaff rigged mainsail . The hull has a plumb stem , an angled transom , a keel and transom-hung rudder controlled by a tiller and a fixed long keel .
Drilling riser joints with buoyancy modules. A drilling riser is a conduit that provides a temporary extension of a subsea oil well to a surface drilling facility. Drilling risers are categorised into two types: marine drilling risers used with subsea blowout preventer (BOP) and generally used by floating drilling vessels; and tie-back drilling risers used with a surface BOP and generally ...
The Journal of Plastic Film and Sheeting is a peer-reviewed scientific journal that covers the field of materials science, especially the development and processing of plastic film and sheeting. The editors-in-chief are John R. Wagner Jr. and James P. Harrington.
A riser is categorized based on three criteria: where it is located, whether it is open to the atmosphere, and how it is filled. If the riser is located on the casting then it is known as a top riser, but if it is located next to the casting it is known as a side riser. Top risers are advantageous because they take up less space in the flask ...