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A circle of death can be initiated if the boat operator releases the steering mechanism while the boat is still powered, which means the propeller is still turning. The force of the rotating propeller blades incurs a force known as steering torque , causing the motor itself, which is mounted on a swivel jointed mechanism, to turn sharply into ...
Scaphism (from Greek σκάφη, meaning "boat"), [1] also known as the boats, is reported by Plutarch in his Life of Artaxerxes as an ancient Persian method of execution.He describes the victim being trapped between two small boats, one inverted on top of the other, with limbs and head sticking out, feeding them and smearing them with milk and honey, and allowing them to fester and be ...
Human-powered watercraft are watercraft propelled only by human power, instead of being propelled by wind power (via one or more sails) or an engine. The three main methods of exerting human power are: directly from the hands or feet, sometimes aided by swimfins; through hand-operated oars, paddles, or poles, or;
IOR (International Offshore Racing) boats in the 1970s and 1980s were known for death rolls due to their small mains that made them unbalanced downwind. Many boats put up spankers, big A-type sails set to leeward and flown away from the boat, to balance the boat. The higher the wind speed, the more important the spanker was to balance the boat.
The Vietnamese/Asian version of the coracle is made of interwoven bamboo and made water proof by using resin and coconut oil. [5] Oval in shape and very similar to half a walnut shell, the coracle has a keel -less flat bottom to evenly spread the load across the structure and to reduce the required depth of water; often to only a few inches.
The boat has a draft of 3.37 ft (1.03 m) with the standard keel. [1] [3] The boat is normally fitted with a small 4 to 6 hp (3 to 4 kW) outboard motor mounted in a stern well, for docking and maneuvering. [1] [3] The design has sleeping accommodation for either two or four people, depending on version.
One concluded that deaf drivers were safer than hearing drivers, one concluded that deaf and hearing female drivers performed similarly but deaf male drivers crashed more frequently, and the other ...
Ice boats typically have the least resistance to forward motion of any sailing craft; [2] consequently, a sailboat experiences a wider range of apparent wind angles than does an ice boat, whose speed is typically great enough to have the apparent wind coming from a few degrees to one side of its course, necessitating sailing with the sail ...