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Newer vessels have hydraulic-operated metal hatch covers that can often be operated by one person. [65] Hatch covers can slide forwards, backwards, or to the side, lift up or fold up. It is essential that the hatch covers be watertight: unsealed hatches lead to accidental cargo hold flooding, which has caused many bulk carriers to sink. [69]
Access to the engine is by a large hatch in the right side of the hull through which all fluid levels (coolant, lubricant, brake fluids and so on) can be checked. The turret or pod is at the rear of the vehicle and access is by a two-part hatch in the rear of the hull with the bottom part folding downwards and the top part opening to the right. [1]
Hatch dogs around a door on the R/V Knorr. The watertight doors that allow passage through bulkheads between compartments inside a ship can be closed during emergencies to seal off one compartment from another, thus isolating flooding, smoke and heat from adjoining compartments. The objects that are wedged against the door to hold it closed are ...
An F-14 Tomcat descends to make an arresting gear landing on the flight deck of USS Theodore Roosevelt (CVN-71) in 2002. An arresting gear, or arrestor gear, is a mechanical system used to rapidly decelerate an aircraft as it lands.
Transmission consists of a hydraulic torque converter coupled to a gearbox with one reverse and four forward driving gears. [1] The AMX-10P utilises a torsion bar suspension, which supports five road wheels with the drive sprocket at the front and idler near the rear. [1] These can be accessed from inside the hull through maintenance panels. [1]
Six large cargo hatch covers on a capesize bulk carrier ship as she approaches the Egyptian-Japanese Friendship Bridge. A cargo hatch or deck hatch or hatchway is type of door used on ships and boats to cover the opening to the cargo hold or other lower part of the ship. To make the cargo hold waterproof, most cargo holds have cargo hatch.
MacGregor steel hatch cover Robert MacGregor was a British engineer , who, during the 1920s, concerned over unnecessary losses of North Sea colliers , developed the first steel hatch cover. The design was simple and consisted of five articulated leaves that stowed neatly at the end of each hatch.
Butterworth hatches are not the main access hatches, but are the servicing hatches, and are generally closed with a metal cover plate with a gasket that is fastened to the deck by a number of bolts which stick up from the deck. Holes on the edges of the plate fit over these bolts and the cover is fastened down with nuts or dogs.