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There are now eight cable ferries along the Saint John River system in southern New Brunswick. In Canada a cable ferry is proposed to transport automobiles across the Ottawa River in Ontario. There are several in British Columbia: two on the Fraser, one at Lytton, one at Big Bar (reaction ferries), three on Arrow Lakes. A suspended cable ferry ...
Initially a system of counterweight on the tillers was devised to compensate for the weather helm when the model boat heeled in a gust. These crude systems evolved in a more sophisticated system called Braine Gear after its inventor, George Braine. [2] The Braine steering gear was a fine-tuned system of quadrant on the rudder stock driven by ...
Thompson Hiawatha model canoe. The Thompson Brothers Boat Manufacturing Company of Peshtigo, Wisconsin was a manufacturer of pleasure boats and canoes.Founded by brothers Peter and Christ Thompson in 1904, [1] the company became prominent in the field and built boats for nearly one hundred years. [2]
NMEA 2000, abbreviated to NMEA2k or N2K and standardized as IEC 61162-3, is a plug-and-play communications standard used for connecting marine sensors and display units within ships and boats. Communication runs at 250 kilobits-per-second and allows any sensor to talk to any display unit or other device compatible with NMEA 2000 protocols.
Cylinder, with slide valve removed to show ports A double-acting slide valve cylinder. Steam enters via the steam port SP, and is admitted by the slide valve SV through the upper passage S to push down the piston P. At the same time, exhaust steam from below the piston passes back up the lower passage S, via the valve cavity, to exhaust E. As ...
The Voith Schneider propeller was originally a design for a hydro-electric turbine. [2] Its Austrian inventor, Ernst Schneider, had a chance meeting on a train with a manager at Voith's subsidiary St. Pölten works; this led to the turbine being investigated by Voith's engineers, who discovered that although it was no more efficient than other water turbines, Schneider's design worked well as ...
The heart of the launch system is a large winch, around which the launch cables are wound. This winch is driven by hydraulic turbines. The two launch cables are attached to the winch on its ends, and run through two grooves on top of the launch track. The cables are attached to the sides of the catch-car, which runs in a trough between the grooves.
The smaller boat, which is travelling downstream, is moving very fast, driven by the large water sails on either side and is thereby hauling the larger boat upstream against the current. [4] The large barge in the picture has two, side-mounted water wheels that coil up the cable and increase its speed further.