[DOC] [TLE] Diving Procedures - Fleet Submarine [PAR] These include bow and stern buoyancy tanks, various trim tanks, and the 
negative and ... By flooding this tank the submarine becomes negatively buoyant. [DOC] [TLE] The Fleet Type Submarine - Chapter 4 [PAR] In a submarine, the principal ballast is water. ... It is the arrangement of these 
tanks that makes possible controlled diving .... Simultaneously with the flooding of 
bow buoyancy, the safety tank also in the special ballast tank group, is flooded. [DOC] [TLE] The Fleet Type Submarine - Chapter 2 [PAR] These terms and explanations represent accepted interpretations and provide an 
... The term diving trim designates that condition of a submarine when it is so ... 
and controlled by flooding the main ballast tanks, using the diving planes, and... [DOC] [TLE] Diving and Surfacing - How Submarines Work | HowStuffWorks [PAR] Learn how these remarkable vessels dive, surface and maneuver through the ... 
As the submarine dives, the ballast tanks are flooded with water and the air in... [DOC] [TLE] Ballast tank - Wikipedia [PAR] A ballast tank is a compartment within a boat, ship or other floating structure that 
holds water, ... These tanks are filled in order to add weight to the ship once 
cargo has been ... In submersibles and submarines, ballast tanks are used to 
control the ... They flood ballast tanks to submerge, then to re-surface either drop
... [DOC] [TLE] Vent (submarine) - Wikipedia [PAR] In submarine technology a vent is a valve fitted to the top of a submarine's ballast 
tanks to let air escape from the top of the ballast tank and be replaced by water 
entering through the opening(s) called "flood ports" or "floods" at the bottom of the 
tank. ... submarine to submerge water is taken into the ballast tanks through the 
flood... [DOC] [TLE] The Submarine  How it works | Submarine Diary [PAR] As the submarine dives, the ballast tanks are flooded with water and the air in the 
... (You may remember these canisters because of their problems on the MIR... [DOC] [TLE] How a Submarine Dives - JT McDaniel Official Site [PAR] These include bow and stern buoyancy tanks, various trim tanks, and the ... The 
safety tank on a fleet submarine, which is normally kept fully flooded while... [DOC] [TLE] Modern United States Submarines - Engineering & Science [PAR] The tanks which are flooded on diving are called main ballast tanks. The drawing 
on the next page shows one of these in cross section. For the most part. [DOC] [TLE] U-boat Archive - U-boat KTB - Terms and Notes [PAR] Submarine Diving Tanks, Valves and Pumps. The table .... The following is a 
back of the envelope calculation of the effect of flooding ballast tanks on 
buoyancy*:. [DOC] [TLE] USS COD - Definitions [PAR] Apr 9, 2009 ... These terms and explanations represent accepted interpretations and provide an 
... Rigged for dive - A submarine is rigged for dive by so compensating the ... and 
controlled by flooding the main ballast tanks, using the diving... [DOC] [TLE] Submarines and Positive Bouyancy [Archive] - Straight Dope Message ... [PAR] The dive planes are also used to force the boat under (like wings on a plane), but 
... These include bow and stern buoyancy tanks, various trim tanks, and the ... By 
flooding this tank the submarine becomes negatively buoyant. [DOC] [TLE] Submarine Technology - Heiszwolf [PAR] These boats do not require speed to dive hence this method is called static diving
. ... In the Russian boats, the bottom flood opening is closed with a valve, a so ... 
To dive the boat, the vent valves on top of the ballast tanks are opened to let air... [DOC] [TLE] How Do They Work? [PAR] A submarine dives and surfaces by changing it's effective surface area. ... Picture 
of the side view of a sub showing Main Ballast Tanks and free flood areas. Actual 
submarine weight is determined by the weight of the hull and all things within it. ... 
These tanks are open on the bottom and have valves at the top called Vents. [DOC] [TLE] C.F. 'O' Class Submarines - Tanks -

Question: Submarines dive by flooding these tanks
Answer: Ballast tanks