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A double acting engine is an engine where steam is applied to both sides of the piston. Earlier steam engines applied steam in only one direction, allowing momentum or gravity to return the piston to its starting place, but a double acting engine uses steam to force the piston in both directions, thus increasing rotational speed and power. [50]
In England, "steam packet", after its sailing predecessor, was the usual term; even "steam barge" could be used (Steam tonnage in Lloyd's Register exceeded sailing ships tonnage by 1865). [ citation needed ] The French transatlantic steamer SS La Touraine was probably the last of her type to be equipped with sails, [ citation needed ] although ...
The steam engine would only be used when conditions were unsuitable for sailing – in light or contrary winds. Some of this type (for instance Erl King ) were built with propellers that could be lifted clear of the water to reduce drag when under sail power alone.
The insufficient reliability of early steam engines was also a reason to maintain at least some sails. An often overlooked reason to have sails was the cost of coal. In 1848 the sail frigate HMS Thetis was estimated to cost 64 GBP daily to operate. HMS Terrible, of the same weight of armament, was estimated to cost 88 GBP daily. But, the latter ...
Marine steam reciprocating engines, ca. 1905 A wind propelled fishing boat in Mozambique. Until the application of the coal-fired steam engine to ships in the early 19th century, oars or the wind were the principal means of watercraft propulsion.
Launched in 1850. Entered Service in 1851, Converted to a dual sail/steam ship in 1858, engine removed and converted to transport in 1870. Stricken in 1882; hulk used as floating barracks until scrapped in 1898. [2] Louis-XIV: laid down as Le Tonnant in 1811 at Rochefort; renamed to Louis-XIV in 1828, launched in 1854. Entered service in 1854.
Barlow Cumberland, A Century of Sail and Steam on the Niagara River, 2001; Robert H. Thurston, A history of the growth of the steam-engine, 1878 (Chapter 5) The Steam Boat Association of Great Britain; Steamboats.org US inland rivers steamboats today and in history: pictures, sounds, videos, link directory, travel guide, expert discussion forums.
A steam donkey or donkey engine is a steam-powered winch once widely used in logging, mining, maritime, and other industrial applications. Steam-powered donkeys were commonly found on large metal-hulled multi-masted cargo vessels in the later decades of the Age of Sail on through the Age of Steam, particularly heavily sailed skeleton-crewed ...