Search results
Results from the WOW.Com Content Network
Each class of boat is assigned a "Portsmouth Number", with fast boats having low numbers and slow ones high numbers—so, for example, in the case of two dinghies, a 49er might have a RYA-PY of 697 while a Mirror has a RYA-PY of 1390 (these are the actual RYA Portsmouth numbers for 2018, but note that adjustments are made each year).
The Z-drive is so named because of the appearance (in cross section) of the mechanical driveshaft or transmission configuration used to connect the mechanically supplied driving energy to the Z-drive azimuth thruster device. This form of power transmission is called a Z-drive because the rotary motion has to make two right angle turns, thus ...
A pump-jet, hydrojet, water jet, or jet drive uses a ducted propeller (axial-flow pump), centrifugal pump, or mixed flow pump to create a jet of water for propulsion. These incorporate an intake for source water and a nozzle to direct its flow out, generating momentum, and in most cases, employing thrust vectoring to steer the craft.
Whilst being the 2nd from last with the highest number of fatal accidents of the four parimutuel betting sports in Japan, [Note 1] 34 drivers (including one trainee) have lost their lives since the first death in 1953. This is caused by collisions with the quay or one of the competing boats.
In 1959 Wynne left Kiekhaefer and in less than 90 days developed his own stern drive, which he subsequently patented. The first commercial introduction of sterndrives was the Volvo Penta "Aquamatic" at the 1959 New York Motor Boat Show. [1] [2] Kiekhaefer introduced a MerCruiser outdrive in 1961 at the Chicago Boat Show. By 1962, 16 ...
Her assailant strangled her nearly unconscious twice. Morgan Metzer: It's the worst feeling in the world to think you're dying. And you feel like you're going to be tortured beforehand.
When the boat has more than one rower, the rower closest to the stern of the boat is referred to as "stroke". This is the most important position in the boat, because the stroke rower sets the stroke rate and rhythm for the rest of the crew to follow. Stroke seat has to be a very calm and yet very competitive individual.
Hull speed or displacement speed is the speed at which the wavelength of a vessel's bow wave is equal to the waterline length of the vessel. As boat speed increases from rest, the wavelength of the bow wave increases, and usually its crest-to-trough dimension (height) increases as well.