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The forward section of KH-9 housed four McDonnell Douglas Mark 8 satellite reentry vehicles (RV), which were fed film exposed by the main cameras. Each RV had an empty mass of 434 kg. It housed a film take-up assembly (built by RCA Astro Electronic Division) with a mass of 108 kg, and could store about 227 kg of film.
The holding tank can be safely emptied at a dump station. Greywater holding tanks can also be emptied at a dump station. Dump stations are often located at campgrounds , RV parks , truck stops , RV storage facilities, highway rest areas, recreation vehicle dealerships, marinas and other places that are frequented by recreational vehicles and boats.
Tank steering systems allow a tank, or other continuous track vehicle, to turn. Because the tracks cannot be angled relative to the hull (in any operational design), steering must be accomplished by speeding one track up, slowing the other down (or reversing it), or a combination of both.
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Keystone Tankships company ordered five tankers in 1940 from Sun Shipbuilding & Drydock of Chester, Pennsylvania, based on the T2 but longer and with increased capacity; Marcom would designate this design T2-A. Bigger but faster, they were 526 ft (160.3 m) in total length, displaced about 22,445 tons, and were rated at 10,600 tons gross with 16,300 DWT — yet they attained a top speed ...
The keystone (shown in red) of an arch Dropped keystone at Colditz Castle. A keystone (or capstone) is the wedge-shaped stone at the apex of a masonry arch or typically round-shaped one at the apex of a vault. In both cases it is the final piece placed during construction and locks all the stones into position, allowing the arch or vault to ...
Oil tankers generally have from 8 to 12 tanks. [1] Each tank is split into two or three independent compartments by fore-and-aft bulkheads. [1] The tanks are numbered with tank one being the forwardmost. Individual compartments are referred to by the tank number and the athwartships position, such as "one port", "three starboard", or "six ...
A British Matilda Mk II named "Glenorchy" of Major K.P. Harris, MC, commander of 'D' Squadron, 7th Royal Tank Regiment during Operation Compass displaying an Italian flag captured at Tobruk, 24 January 1941. Mark IV tank. Black Bess; Britannia [14] Fray Bentos [15] Matilda II. Glenorchy; Sexton MK.II. Culloden; Exterminator; Vindictive