Underwater speed record include records for submarines, autonomous underwater vehicles, and torpedoes. As these are typically for military vehicles, most are unconfirmed.
The USS Albacore, with its teardrop hull, is claimed to have reached an underwater speed of 33 knots (61 km/h; 38 mph).
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Underwaterspeedrecord include records for submarines, autonomous underwater vehicles, and torpedoes. As these are typically for military vehicles, most...
is a list of speedrecords for various types of vehicles. This list only presents the single greatest speed achieved in each broad record category; for...
sound of a submerged ship's bell heard using an underwater listening horn. They measured a sound speed of 1435 metres per second over a 17 kilometre (km)...
The world unlimited Water SpeedRecord is the officially recognised fastest speed achieved by a water-borne vehicle, irrespective of propulsion method...
An underwater explosion (also known as an UNDEX) is a chemical or nuclear explosion that occurs under the surface of a body of water. While useful in anti-ship...
092 km/h), or approximately Mach 1.7. The speed of the P. macropalpis is far in excess of the previous record holder, the Australian tiger beetle Cicindela...
March 1921 – 4 January 1967) was a British speedrecord breaker who broke eight absolute world speedrecords on water and on land in the 1950s and 1960s...
Underwater hockey (UWH), (also known as Octopush in the United Kingdom) is a globally played limited-contact sport in which two teams compete to manoeuvre...
diver propulsion vehicle (DPV), also known as an underwater propulsion vehicle, sea scooter, underwater scooter, or swimmer delivery vehicle (SDV) by armed...
Underwater orienteering is an underwater sport that uses recreational open circuit scuba diving equipment and consists of a set of individual and team...
Water polo Canoe polo Stone skipping Waboba Underwater football Underwater rugby Underwater hockey Underwater ice hockey Backstroke Breaststroke Butterfly...
free-diving, free diving, breath-hold diving, or skin diving, is a mode of underwater diving that relies on breath-holding until resurfacing rather than the...
Underwater cutting and welding are metalworking techniques used by underwater divers in underwater construction, marine salvage and clearance diving applications...
Underwater work is work done underwater, generally by divers during diving operations, but includes work done underwater by remotely operated vehicles...
Underwater diving, as a human activity, is the practice of descending below the water's surface to interact with the environment. It is also often referred...
Underwater photography is the process of taking photographs while under water. It is usually done while scuba diving, but can be done while diving on surface...
surface increases the friction, reducing the speed of the swimmer. Therefore, swimming underwater increases the speed. This led to a controversy at the 1956...
hydroplane in which Britain's Donald Campbell set seven world water speedrecords between 1955 and 1967. K7 was the first successful jet-powered hydroplane...
Breaking the water surface increases drag, reducing speed; swimming underwater increases speed. This led to a controversy at the 1956 Summer Olympics...
high (ultrasonic). The study of underwater sound is known as underwater acoustics or hydroacoustics. The first recorded use of the technique was in 1490...
the study of underwater depth of ocean floors (seabed topography), lake floors, or river floors. In other words, bathymetry is the underwater equivalent...
An underwater environment is a environment of, and immersed in, liquid water in a natural or artificial feature (called a body of water), such as an ocean...
the Glossary of underwater diving terminology for definitions of technical terms, jargon, diver slang and acronyms used in underwater diving See the Outline...
the AEC's research. The second research direction was to examine how underwater explosions affected materiel, especially Navy ships, and was performed...
of 72 divers simultaneously ironing underwater set a new world's record for number of people ironing underwater at once. On 10 January 2009, 128 divers...
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