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Sail switch. A sail switch, vane switch or flow switch is a mechanical switch that is actuated on or off in response to the flow or non-flow of a fluid such as air or water. [1] A sail switch typically operates through the use of a paddle or a diaphragm which gets displaced due to the force of fluid or air moving past it.
Laser 3000; Boat; Crew: 2: Hull; Hull weight: 79 kilograms (174 lb) LOA: 4.40 metres (14.4 ft) Beam: 1.46 metres (4.8 ft) Rig; Mast length: 6.02 metres (19.8 ft) (overall) Sails; Mainsail area: 8.60 square metres (92.6 sq ft) Jib/genoa area: 2.94 square metres (31.6 sq ft) Spinnaker area: 12.80 square metres (137.8 sq ft) Racing; D-PN: 83.3 ...
Laser (dinghy) The Laser is a class of single-handed, one-design sailing dinghies using a common hull design with three interchangeable rigs of different sail areas, appropriate to a given combination of wind strength and crew weight. Ian Bruce and Bruce Kirby designed the Laser in 1970 with an emphasis on simplicity and performance.
Following his "doodle" Kirby developed working drawings that Ian Bruce used to develop the Laser. The plans stayed with Kirby and Bruce until 1970 when One Design and Offshore Yachtsman magazine held a regatta for boats under $1000, called "America's Teacup." After a few sail modifications, the Laser easily won its class.
A broken laser pointer. In under a year, AuctionWeb had sold over $7 million worth of goods, and in 1997, the company was renamed eBay. As of 2022, it had 1.7 billion product listings .
The Laser 2 is a sailing dinghy, built predominantly of fibreglass. It has a fractional sloop rig, a raked stem, a plumb transom, a transom-hung rudder controlled by a tiller with an extension and a retractable daggerboard. It displaces 170 lb (77 kg). The crew can make use of a single trapeze. [3] [4]
Laser propulsion is a form of beam-powered propulsion where the energy source is a remote (usually ground-based) laser system and separate from the reaction mass. This form of propulsion differs from a conventional chemical rocket where both energy and reaction mass come from the solid or liquid propellants carried on board the vehicle.
2000 (dinghy) The 2000 (formerly the Laser 2000) is a performance sailing dinghy designed by Phil Morrison and currently sold by RS Sailing. It combines a traditional GRP hull and foam sandwich deck moulding with a modern asymmetric rig including a furling jib, reefing mainsail and single line gennaker hoist system.
Breakthrough Starshot is a research and engineering project by the Breakthrough Initiatives to develop a proof-of-concept fleet of light sail interstellar probes named Starchip, [1] to be capable of making the journey to the Alpha Centauri star system 4.34 light-years away. It was founded in 2016 by Yuri Milner, Stephen Hawking, and Mark ...
Q-switching. Q-switching, sometimes known as giant pulse formation or Q-spoiling, [1] is a technique by which a laser can be made to produce a pulsed output beam. The technique allows the production of light pulses with extremely high ( gigawatt) peak power, much higher than would be produced by the same laser if it were operating in a ...