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ABE > Catapult > Flashcards

Catapult Flashcards

0
Q

WHAT IS THE CYLINDER BORE DIAMETER FOR C-13-2 CATAPULTS?

A

21 INCHES

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1
Q

HOW MANY MAJOR SYSTEMS ARE THERE ON C-13 CATAPULTS?

A

7

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2
Q

WATER BRAKE PUMPS ARE CAPABLE OF PUMPING HOW MANY GALLONS PER MINUTE?

A

650

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3
Q

WHAT IS THE DRUM DIAMETER FOR THE RETRACTION ENGINE?

A

16 INCHES

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4
Q

RETRACTION ENGINE MOTOR SPEED IS?

A

600 RPM

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5
Q

WHAT COMPONENTS RAISE AND RESEAT SEALING STRIPS?

A

CONNECTORS RAISE SEALING STRIPS AND STRIP GUIDES RESEATS IT

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6
Q

WHAT COMPONENT ANCHORS AND ABSORBS REACTION FORCES WHEN CATAPULT IS
FIRED?

A

THRUST UNIT

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7
Q

WHAT COMPONEMT ACTS AS A CHASSIS FOR THE PISTON ASSEMBLY?

A

THE BARREL

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8
Q

WHAT COMPONENT CARRIES FORWARD MOTION OF PISTONS TO THE AIRCRAFT BY
MEANS OF BRIDLE OR PENDANT?

A

SHUTTLE ASSEMBLY

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9
Q

WHEN DOES THE SHUTTLE ASSEMBLY BECOMES A 800-1200 SHOT SHUTTLE?

A

WHEN (3 ) OR MORE DOGS EXCEED 1.885 INCHES THE SHUTTLE MUST BE
INSPECTED EVERY 800-1200 SHOTS AND MUST BE REPLACED WHEN ANY(1) DOG
MEASURES 1.905 INCHES.

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10
Q

NAME THE VARIOUS WATER BRAKES RINGS?

A
  • STRIKER RING: PROTECTS OTHER RINGS FROM. Helps create metal to metal contact.
    • JET RING : HOLDS ANNULAS RING IN PLACE and prevents rotation.
    • ANNULAS RING (CREATES VORTEXu) ALSO HAS A O-RING THAT MUST BE INSTALLED. Has 20 1/4 inch holes drilled into the annulus ring at 45 degree angle
    • CHOKE RING (WORKS IN CONJUNC. WITH TAPERED SPEAR) Diminishes the orifice.
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11
Q

Chock

A

Takes the impact

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12
Q

Vane

A

Breaks the vortex

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13
Q

Vent plug

A

Helps water escape, preventing vacuum buildup inside.

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14
Q

Water brake elbow pressure

A

58 - 65 psi

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15
Q

Steam piston

A

Located aft end, made of forge aluminum; allows steam pressure to drive the piston assembly Foward

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16
Q

WHAT ARE THE TWO KINDS OF POWER PLANT PUMPS?

A

a) VICKERS

b) REXROTH

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17
Q

WHAT IS THE MAXIMUM CAPACITY OF THE GRAVITY TANK?

A

1144 Gallons

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18
Q

WHAT IS THE OPERATING LEVEL OF GRAVITY TANK FLUID?

A

600-800 GALLONS

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19
Q

WHAT IS THE OPERATING TEMP RANGE OF HYDRAULIC FLUID?

A

105 + OR - 20

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20
Q

WHAT IS THE MAXIMUM HYD FLUID TEMP?

A

140 degrees

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21
Q

WHAT IS THE FLUID CAPACITY OF THE AUXILIARY TANK?

A

90 GALLONS

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22
Q

WHAT IS THE PURPOSE OF THE CIRCULATING PUMP?

A

USED TO TRANSFER VENTED FLUID FROM AUXILIARY TANK TO THE GRAVITY TANK.

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23
Q

WHAT IS THE PURPOSE OF THE BOOSTER PUMP?

A

AIDS THE MAIN HYDRAULIC PUMPS IN DRAWING FLUID FROM GRAVITY TANK AND PREVENTS MAIN PUMPS CAVITATION.

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24
Q

HOW MANY FILTER ELEMENTS ARE IN THE BOOSTER PUMP FILTER?

A

TOTAL OF 57(3 STACKS OF 19)

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25
Q

WHAT IS THE CIRCULATING PUMP RELIEF VALVE SET AT?

A

50 + OR - 5 PSI

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26
Q

WHAT IS THE PURPOSE OF THE MAIN HYDRAULIC PUMP?

A

TO SUPPLY THE MAIN HYDRAULIC ACCUMULATOR AND THE CATAPULT SYSTEM WITH HYDRAULIC FLUID.

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27
Q

WHAT IS THE PURPOSE OF THE DELIVERY CONTROL UNIT(DCU)?

A

TO CONTROL AND DIRECT THE FLOW OF HYDRAULIC FLUID TO THE HYDRAULIC SYSTEM OR TO THE GRAVITY TANK.

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28
Q

HOW MANY PISTONS MAKE UP THE MAIN HYDRAULIC PUMP?

A

9 PISTONS

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29
Q

HOW MANY FILTER ELEMENTS ARE IN THE BOOSTER PUMP FILTER?

A

TOTAL OF 57(3 STACKS OF 19)

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30
Q

WHAT IS THE CIRCULATING PUMP RELIEF VALVE SET AT?

A

50 + OR - 5 PSI

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31
Q
  1. WHAT IS THE PURPOSE OF THE MAIN HYDRAULIC PUMP?
A

TO SUPPLY THE MAIN HYDRAULIC ACCUMULATOR AND THE CATAPULT SYSTEM WITH HYDRAULIC FLUID.

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32
Q

WHAT IS THE MAIN HYDRAULIC PUMP OUTPUT?

A

59 GAL MIN 73 GAL MAX

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33
Q

WHAT IS THE OFFSET ANGLE OF THE MAIN HYDRAULIC PUMP?

A

25 DEGREES OFFSET

34
Q

WHAT PROVIDES THE INLET PORT FROM THE GRAVITY TANK AND THE OUTLET PORT TO THE DCU?

A

VALVE BLOCK

35
Q
  1. THE DCU BALANCE PISTON IS BORED INTERNALLY TO ALLOW THE SEATING OF WHAT?
A

200 LB SPRING

36
Q
  1. THE TWO SOLENOIDS ATTACHED TO THE DCU ARE BOTH WIRED UP? TRUE OR FALSE.
A

FALSE ONE IS WIRED TO FUNCTION THE OTHER IS A SPARE

37
Q

WHAT IS THE FUNCTION OF THE HEAD ORIFICE IN THE DCU RELIEF VALVE?

A

IT REDUCES THE VOLUME OF FLUID ENTERING THE RELIEF VALVE FROM THE DCU, BALANCE CHAMBER AND PREVENTS DAMAGE TO THE RELIEF VALVE.

38
Q

WHAT IS THE MAIN HYDRAULIC PUMP RELIEF VALVE SET AT?

A

3100 + OR - 50 PSI

39
Q

WHAT IS THE PURPOSE OF THE ONE WAY CHECK VALVE IN MAIN HYDRAULIC PUMP PIPING?

A

PREVENTS ACCUMULATOR PRESSURE FROM DAMAGING THE DELIVERY CONTROL UNIT BY STOPPING BACK FLOW WHEN THE PUMPS ARE OFF STROKE.

40
Q

WHAT COMPONENT MAINTAINS CONSTANT SUPPLY OF PRESSURIZED HYDRAULIC FLUID FOR THE CATAPULT?

A

MAIN HYDRAULIC ACCUMULATOR

41
Q

WITH THE MAIN HYDRAULIC ACCUMULATOR PISTON INSTALLED WHAT IS THE TOTAL CUBIC FEET OF ACCUMULATOR.

A

6 CUBIC FEET/HOLDS APPROXIMATELY 45 GALLONS OF FLUID

42
Q

WHAT IS THE MAIN HYDRAULIC ACCUMULATOR PRESSURE MAINTAINED AT?

A

2500 +/- 50 PSI

43
Q

WHAT IS THE LOW AND HIGH LIMIT OF MAIN HYDRAULIC ACCUMULATOR PRESSURE?

A

a) 2425 LOW

b) 2575 HIGH

44
Q

WHAT IS THE PURPOSE OF THE ONE WAY CHECK VALVE IN THE MAIN HYDRAULIC PISTON?

A

ALLOWS HYDRAULIC FLUID TO SEEP TO THE SIDE OF THE PISTON FROM THE HYDRAULIC SIDE OF THE ACCUMULATOR TO ACT AS A LUBRICANT FOR THE PACKING.

45
Q

WHERE IS THE STROKE CONTROL ACTUATOR ASSEMBLY LOCATED?

A

BOTTOM OF ACCUMULATOR(AIR SIDE)

46
Q

WHERE IS THE VOLUME NORMAL ACTUATOR ASSEMBLY LOCATED?

A

TOP OF ACCUMULATOR(HYDRAULIC SIDE)

47
Q

HOW MUCH AIR IS STORED IN AIR FLASK?

A

70 CUBIC FEET AT A PRESSURE OF 2500 PSI

48
Q

WHAT IS THE PURPOSE OF TWO RELIEF VALVE ON EACH SIDE OF THE AIR FLASK ISOLATION VALVE?

A

WILL PREVENT DAMAGE TO BOTH ACCUMULATOR AND AIR FLASK DURING TIMES THAT THE VALVE IS CLOSED.

49
Q

WHAT WILL THE RELIEF VALVE FOR ACCUMULATOR AND AIR FLASK RELIEVE AT?

A

3000 + 300 - 0

50
Q

WHAT IS THE PURPOSE OF THE ROTO LAUNCH VALVE?

A

ALLOW A PRE-DETERMINED AMOUNT OF STEAM INTO POWER CYLINDER WHEN FIRING THE CATAPULT AND ALSO STOPS THE FLOW OF STEAM INTO THE POWER CYLINDERS WHEN THE LAUNCH IS COMPLETE.

51
Q

WHAT VALVE DIRECTLY CONTROLS THE LAUNCH VALVE CONTROL VALVE?

A

LAUNCH VALVE HYDRAULIC LAUNCH VALVE

52
Q

WHEN WILL THE LAUNCH PILOT LATCH (LPL) ENERGIZE?

A

FINAL READY

53
Q

WHAT VALVE DIRECTLY CONTROLS THE OPENING AND CLOSING OF THE LAUNCH VALVE?

A

LAUNCH VALVE CONTROL VALVE

54
Q

WHAT IS THE PURPOSE OF THE TAPER SHOULDER ON THE TAILROD?

A

WORKS IN CONJUNCTION WITH THE PACKING GLAND TO PREVENT THE VALVE POSITION FROM SLAMMING DURING OPENING AND CLOSING STROKE

55
Q

WHAT IS HYDRAULICALLY LOCATED BETWEEN THE LAUNCH VALVE HYDRAULIC LOCK VALVE AND THE LAUNCH VALVE CONTROL VALVE?

A

EMERGENCY CUTOUT VALVE

56
Q

WHAT ARE THE THREE SECTIONS OF A ROTARY LAUNCH VALVE?

A

STEAM SECTION, OPERATING CONTROL ASSEMBLY, HYDRAULIC OPERATING CYLINDER SECTION

57
Q

WHAT IS FULL CROSSHEAD TRAVEL ON ROTARY LAUNCH VALVE?

A

15 INCHES FULLY OPEN

58
Q

WHAT ALLOWS ADJUSTMENT OF THE STEAM PLUGS TO ENSURE PROPER SEATING OF THE PLUGS?

A

ADJUSTING NUT

59
Q

WHAT IS HOLLOW TO ALLOW PASSAGE OF THE METERING ROD?

A

PISTON ROD

60
Q

WHAT IS COUNTERBORED TO ACCEPT THE ORIFICE SNUBBER?

A

HYDRAULIC PISTON

61
Q

WHAT IS THE PURPOSE OF THE ORIFICE SNUBBER?

A

PREVENTS DESTRUCTIVE IMPACT DURING THE OPENING STROKE

62
Q

WHAT TYPE OF METERING ROD IS INSTALLED IN PISTON ROD?

A

TWO STAGE

63
Q

HOW MUCH PRESSURE DOES IT TAKE TO ACTUATE THE START TIMER PRESSURE SWITCH?

A

700-750 PSI

64
Q

WHEN WILL CLOCKS 1 AND 2 ENERGIZE?

A

PRESSURE SWITCH CLOSES

65
Q

CLOCK #1 WILL STOP WHEN?

A

3 1/2 INCHES OF CROSSHEAD TRAVEL

66
Q

CLOCK #2 WILL STOP WHEN?

A

9 INCHES OF CROSSHEAD TRAVEL

67
Q

WHAT DOES THE OUTER DIAL ON CLOCK TIMERS MEASURE?

A

HUNDREDTH OF A SECOND

68
Q

WHAT DOES THE INNER DIAL ON CLOCK TIMES MEASURE?

A

SECONDS

69
Q

WHAT COMPONENT DETERMINES THE OPENING RATE OF THE LAUNCH VALVES?

A

CAPACITY SELECTOR VALVE (CSV)

70
Q

THE CSV IS HYDRAULICALLY LOCATED BETWEEN WHAT TWO COMPONENTS?

A

HYDRAULIC RETURN LINE FROM THE LAUNCH VALVE HYDRAULIC CYLINDER CLOSING CHAMBER AND LAUNCH VALVE CONTROL VALVE.

71
Q

WHAT TRANSMITS MOTION OF THE MOTOR AND GEAR BOX ASSEMBLY TO MOVEMENT OF THE SPINDLE?

A

STEM

72
Q

WHAT WORKS IN CONJUNCTION WITH THE SEAT ORIFICE TO METER THE FLOW OF FLUID THROUGH THE VALVE BODY?

A

SPINDLE ASSEMBLY

73
Q

WHAT PREVENTS ROTATION OF SPINDLE DURING VALVE MOVEMENT?

A

SPINDLE LOCK

74
Q

WHAT SWITCH PROTECTS MOTOR AND VALVE FROM DAMAGE WHEN THERE IS AN OBSTRUCTION WITHIN VALVE BODY?

A

TORQUE LIMIT SWITCH

75
Q

WHAT SWITCH WILL AUTOMATICALLY STOP THE MOTOR AT MAX SETTING 320 AND MINIMUM SETTING 020?

A

GEARED LIMIT SWITCH

76
Q

WHAT IS MAXIMUM DIFFERENCE ALLOWED ON COUNTER?

A

+/- 1

77
Q

WHAT ARE THE FOUR MODES OF OPERATION?

A

AUTO(WHITE LIGHT)
JOG (GREEN LIGHT)
HANDWHEEL(AMBER)
DEFEAT INTERLOCK (RED)

78
Q

THE LIMIT ALARM RELAY IS PART OF WHAT CIRCUIT?

A

FINAL READY CIRCUIT

79
Q

WHAT PREVENTS THE CAPACITY SELECTOR VALVE MOTOR FROM DRIFTING PAST THE COMMAND SETTING?

A

POSITIVE BREAKING SYSTEM

80
Q

DEFECT INTERLOCK BYPASSES WHEN SAFETY FEATURE?

A

LIMIT ALARM RELAY

81
Q

WHO IS THE ONLY PERSON TO AUTHORIZE THE OPERATION OF DEFEAT INTERLOCK?

A

COMMANDING OFFICER

82
Q

WHAT IS THE PURPOSE OF THE STEAM PRESSURE SWITCHES?

A

PROVIDES LAUNCH COMPLETE

ABE (3 decks)

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