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Diagram of the steering gear of an 18th- to 19th-century sailing ship [3]: 151 Helm of TS Golden Bear. A ship's wheel is composed of eight cylindrical wooden spokes (though sometimes as few as six or as many as ten or twelve depending on the wheel's size and how much force is needed to turn it.) shaped like balusters and all joined at a central wooden hub or nave (sometimes covered with a ...
Chautauqua Belle steaming down the Chadakoin River, June 2008. The Chautauqua Belle is 98 feet (30 m) long and 22 feet (6.7 m) wide, and weighs 70 tons fully loaded. She has a 100-horsepower Scotch steam boiler aboard which supplies steam at 210 pounds per square inch (1,400 kPa) to the two 20 horsepower steam engines which turn her paddlewheel.
This is somewhat confusing, as the classification society rules for merchant ships still in fact require an EOT to be provided, to allow orders to be transmitted to the local control position in the engine room in the event that the remote control system should fail. The EOT is required to be electrically isolated from the remote control system.
The vertically mounted paddle wheel, at side or at the stern, was the first propulsion scheme used with steam power, but naval authorities were concerned about the vulnerability of the wheels to damage, whether in combat or peacetime use, and sought to increase the efficiency of ship designs, as the navies of the world began to switch from wooden hulls to iron ones.
The engines of Terrible were made by Maudslay and Co. and were a similar pair as those on Retributution.They cost 41,250 GBP and each was rated at 400 nominal hp. The weight of the engines was 212 tons, the boilers 250 ton, the water in the boilers 138, the paddle wheels 44 and the coal boxes 16 tons, for a total of 560 tons.
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