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EMERGENCY RECOVERY OPERATIONS | Up
Aviation Boatswains Mate E - Aviation theories and other practices | Next
CONSTANT RUNOUT VALVE (CROV) WEIGHT SELECTOR |
3-5
MAXIMUM ENERGY ABSORPTION
47,500,000 ft-lb
ENGINE DRIVE SYSTEM CABLES:
Breaking strength/diameter
Deck pendant (6 × 30 flat strand hemp core)
Purchase cable (6 × 25 round strand hemp core)
Deck pendant (6 × 30 flat strand polyester core)
Purchase cable (6 × 31 flat strand polyester core)
188,000 lb/1 3/8 in.
195,000 lb/1 7/16 in.
205,000 lb/1 7/16 in.
215,000 lb/1 7/16 in.
Reeving ratio
18 to 1
3312DAMPER SHEAVE INSTALLATION:
Damper sheave service stroke
Effective piston area of damper sheave piston
10 ft
39.27sq. in.
ARRESTING ENGINE:
Length
50 ft
Weight
43 tons
Engine fluid
Ethylene glycol
Engine fluid capacity (without cooler)
380 gal
Engine fluid capacity (with cooler)
560 gal
Type of coolant
Sea water
Ram diameter
20.000 in.
Effective ram area
314.16 sq. in.
Length of two-stroke
195 in.
Length of service stroke
Pendant engine
Barricade engine
183 in.
160 in.
Crosshead battery position
(distance from stop)
1 to 7 in. (new cable)
1 to 6 in. (old cable)
Accumulator operating medium
Initial working pressure
Maximum pressure
Hydraulic fluid — Air
400psi
650 psi
Length of deck pendant runout
344 ft (to tail hook)
Length of barricade runout
388 ft (to nose wheel)
Cable anchor damper piston service stroke
15 ft 8 in.
Effective piston area of cable anchor damper piston
7.85 sq. in.
BARRICADE POWER PACKAGE
Power package fluid
Catapult hydraulic fluid
Power package fluid capacity
125 gal
Power package operating medium
Initial working pressure
Pressure switch minimum pressure
Relief valve maximum pressure
Hydraulic fluid — Air
1,500 psi
1,250 psi
1,750 psi
Table 3-1.—Leading Particulars of Mk 7 Mod 3 Recovery Equipment
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