Catapult (b) Flashcards
WHAT STEAM PRESSURE WILL THE SWITCHES CLOSE?
20 +/-1 PSI
HOW MANY FEET FORWARD OF CATAPULT STATION ZERO ARE THE STEAM PRESSURE SWITCHES LOCATED?
198 FEET
WHAT STEAM PRESSURE WILL THE SWITCHES OPEN?
10 +/-2 PSI
TRUE OR FALSE. DOES BOTH SWITCHES HAVE TO CLOSE TO OBTAIN LAUNCH COMPLETE?
TRUE
WHAT IS THE PURPOSE OF THE OVERBOARD DISCHARGE LINE?
ALLOWS RUNOFF OF EXCESS WATER IN THE STORAGE BOWLS
WHAT IS THE PURPOSE AND SIZE OF ORIFICE IN DISCHARGE LINE?
ALLOWS CONDENSATE TO DRAIN WITHOUT REDUCING THE VOLUME OF STEAM TO THE PRESSURE SWITCHES. .187 +/- .010 (3/16)
DOES WATER OR STEAM ACTUATE THE STEAM PRESSURE SWITCHES?
WATER
WHERE IS THE BUTTERFLY EXHAUST LOCATED?
BETWEEN THE THRUST EXHAUST UNIT AND THE OVERBOARD DISCHARGE LINE.
THE EXHAUST VALVE CLOSED LIMIT SWITCH IS PART OF WHAT CIRCUIT?
CATAPULT/FIRST READY CIRCUIT
WHERE IS THE THRUST/EXHAUST UNIT LOCATED?
BETWEEN LAUNCH VALVE, THE POWER CYLINDERS AND EXHAUST VALVE
WHAT IS THE PURPOSE OF THE THRUST/EXHAUST UNIT?
IT ANCHORS THE AFT END OF THE LAUNCHING ENGINE AND PREVENTS AFT EXPANSION OF THE CYLINDERS.
WHAT IS THE PURPOSE OF THE PRESSURE BREAKING ORIFICE AND SIZE?
PREVENTS ANY PRESSURE BUILDUP BEHIND THE LAUNCHING ENGINE PISTONS WHEN LAUNCH VALVE IS CLOSED. .750(3/4)
WHAT PROVIDES A SUPPORT AND ANCHORAGE FOR ALL COMPONENTS OF THE LAUNCHING ENGINE SYSTEMS. ALSO PROVIDES TRACK FOR SHUTTLE END GRAB ASSEMBLY?
TROUGH COVER
WHAT IS THE PURPOSE OF THE CYLINDER COVER?
PREVENTS RADIAL EXPANSION OF LAUNCHING CYLINDERS. ALSO PROVIDES HALF OF CEILING STRIP SEAT.
WHAT ARE THE TWO SIZES OF POWER CYLINDERS?
a) 18 INCHES C-13 MOD O/1
b) 21 INCHES C-13 MOD 2
WHAT IS THE POWER STROKE FOR C-13 MOD 0,1,2
a) MOD 0 249 FT 10 INCHES
b) MOD 1 309 FT 8 3/4 INCHES
c) MOD 2 306 FT 9 INCHES
- WHAT PREVENTS THE ADVANCE AND RETRACT CABLES FROM DROPPING BETWEEN THE CYLINDER ROWS?
CABLE SUPPORT PLATES
WHAT IS THE MAXIMUM DIFFERENCE BETWEEN THE CYLINDER ROWS?
ONE INCH
HOW MANY SETS OF SEGMENTS MAKE UP THE SEGMENTED SEAL?
3 SETS
HOW MANY SEGMENTS PER SEAL ASSEMBLY?
9 SEGMENTS
HOW MANY SPRINGS FIT INTO THE BODY OF THE SEAL?
12
WHAT COMPONENT LIFTS THE SEALING STRIP OFF ITS SEAT?
CONNECTOR
TRUE OR FALSE. IF THE SHUTTLE HAS LASER HARDENED DOGS, THE CONNECTOR DOGS MUST ALSO BE LASER HARDENED
TRUE
TRUE OR FALSE. CONNECTORS WITH LASER HARDENED DOGS CAN BE IDENTIFIED BY A LOBE AND A DIMPLE ON DOG #5 COUNTING FROM AFT TO FORWARD.
TRUE
WHAT COMPONENT RESEATS THE SEALING STRIP?
SEALING STRIP GUIDE
WHY ARE THREE HOLES BORED AT EQUAL INTERVAL AROUND THE SPACE JUST FORWARD OF THE DEFLECTOR RING?
THE HOLES PREVENT BOUNCE BACK WHEN SPEARS ENTER THE WATERBRAKES
THE WEIGHT OF THE LAUNCHING PISTON ASSEMBLIES MUST BE WITHIN?
10 LBS OF EACH OTHER
TRUE OR FALSE. THE UPPER AFT GUIDE CAN BE ROTATED 180 DEGREES WHEN ONE SIDE OF THE BLOCK SHOWS WEAR?
TRUE
WHAT COMPONENT OF THE SHUTTLE PUSHES DEBRIS OFF THE SHUTTLE TRACK?
SWEEPER PLATE
WHAT IS THE PURPOSE OF THE SEALING STRIP?
PREVENTS STEAM LOSS
WHAT ARE THE DIMENSIONS OF THE SEALING STRIP?
1 1/8” WIDE 7/16” THICK
WHAT HOLDS THE SEALING STRIP ON ITS SEAT AFTER THE PISTON ASSEMBLY PASSES?
STEAM PRESSURE
- WHAT IS THE PROPER TENSION ON SEALING STRIP?
14 TO 14 1/2
ALL ADJUSTMENTS FOR SEALING STRIP ANCHOR ARE PERFORMED WHERE?
STRIP ANCHOR ON THRUST EXHAUST UNIT
HOW MUCH SEALING STRIP SHOULD PROTRUDE THROUGH STRIP ANCHOR?
4 inches
WHAT COMPONENT ABSORBS THE PEAK SHOCK OF THE LAUNCHING PISTON?
Chick
