An aquarium powerhead is a water pump completely submerged into an aquarium to circulate water. An aquarium powerhead is typically used to create flow...

Powerhead may refer to: Powerhead (firearm), a direct-contact, underwater firearm Powerhead (aquarium), a submersible aquarium pump Powerhead (rocket...

A powerhead is a specialized firearm used underwater that is fired when in direct contact with the target. Powerheads are often used for spear fishing...

Rocketdyne Integrated powerhead demonstration project in the mid-2000s, which did not test a complete engine but rather only the powerhead. Other characteristics...

traditional gravel filter bed, with water circulated using electric powerhead pumps, are in effect being grown using gravel hydroponics, also termed "nutriculture"...

the number of welds. Block I improvements also included a new, two-duct powerhead (rather than the original design, which featured three ducts connected...

movement can be controlled through the use of aeration from air pumps, powerhead pumps, and careful design of water flow (such as the location of filtration...

placement within the display tank of multiple powerheads. Powerheads are simply small submersible water pumps that produce a laminar or narrow, unidirectional...

A booster pump is a machine which increases the pressure of a fluid. It may be used with liquids or gases, and the construction details vary depending...

A diver's pump is a manually operated low pressure air compressor used to provide divers in standard diving dress with air while they are underwater. Rotary...

Evinrude in 1909. Historically, a majority of outboards have been two-stroke powerheads fitted with a carburetor due to the design's inherent simplicity, reliability...

high water pressure, from a properly powered pump, to force water through the dense filter media. A pump can draw water from an under-gravel filter, and...

Energomash in the 1960s, the US government-funded hydrolox Integrated Powerhead Demonstrator project at Aerojet Rocketdyne in the mid-2000s, SpaceX's...

waterproofed canvas suit, an air hose from a surface-supplied manually operated pump or low pressure breathing air compressor, a diving knife, and weights to...

shot and revolver actions, such as the Thompson Center Arms Contender. A powerhead or bang stick is a device which fires a firearms cartridge or blank cartridge...

is because it leads to upwelling (Ekman suction) and downwelling (Ekman pumping) in order to obey mass conservation laws. Mass conservation, in reference...

designed into the pump and not variable. The pressure, expressed in pounds per square inch, pascals, or bar, is designed into the pump but can be varied...

conditions.[citation needed] (For other meanings see Lancejet.) China QBS-06 Powerhead – Specialized firearm used underwater that is fired when in direct contact...

Underwater firearm Gyrojet Mk 1 Underwater Defense Gun Powerhead Underwater pistols Heckler & Koch P11 SPP-1 underwater pistol Underwater revolvers AAI...

increase buoyancy after return to the surface. The pump is a high pressure positive displacement pump with a low delivery volume, capable of producing enough...

of 66 feet. Fleuss also invented the Fleuss vacuum pump, which was a double action Guericke type pump which delivers an almost constant suction. It uses...

(screw-conveyor segment) into the center section of the machine between the Powerhead and the cutterhead. The pushbeam system can penetrate nearly 1,200 feet...

Hopcalite Molecular sieve Silica gel Booster pump Carbon dioxide scrubber Cascade filling system Diver's pump Diving air compressor Diving air filter Water...

deep underground. Airlift pumps are governed by the physics of two-phase flow. Underwater diving portal Airlift pump – Pump using density difference due...

Underwater firearm Gyrojet Mk 1 Underwater Defense Gun Powerhead Underwater pistols Heckler & Koch P11 SPP-1 underwater pistol Underwater revolvers AAI...

controversy as to the efficiency of airstones versus the conventional powerhead system when used in uplift tubes as part of an under-gravel filter.[citation...

Underwater firearm Gyrojet Mk 1 Underwater Defense Gun Powerhead Underwater pistols Heckler & Koch P11 SPP-1 underwater pistol Underwater revolvers AAI...

Hopcalite Molecular sieve Silica gel Booster pump Carbon dioxide scrubber Cascade filling system Diver's pump Diving air compressor Diving air filter Water...

investigated oxygen-rich combustion technologies until the Integrated Powerhead Demonstrator project in the early 2000s. The Soviets, however, perfected...

subside by the end of the monsoon season several months later. After days of pumping water from the cave system and a respite from the rainfall, the rescue...