LM2500 CONSTRUCTION
WHAT ARE THE FOUR MAJOR COMPONENTS OF THE COMPRESSOR REAR FRAME?
Outer Case, Struts, Hub, and B-Sump Housing
WHAT TYPE OF LM2500 COMBUSTOR DO WE HAVE?
SINGLE ANNULAR COMBUSTOR
WHAT TWO ROTORS DOES THE TMF SUPPORT?
the aft end of the HPT rotor and the forward end of the PT rotor
How many box sections make up the truss structure of the cowl assembly?
40 BOX SECTIONS
WHAT IS OUR BUILDING NUMBER?
1631
WHAT ARE THE COMPONENTS OF THE OUTER CASE?
the fuel manifold, 30 fuel nozzles, two spark igniters, and the second-stage HP turbine nozzles
Where is the combustor mounting hardware located?
Inside the CRF struts
Where is the Turbine Mid Frame installed?
Between the Compressor Rear Frame and the Power Turbine stator.
HASTELLOY X
WHO IS THE YOUNGEST PERSON IN THE SHOP?
JAYCE
WHAT 4 STRUTS THAT THE CDP AIR IS ROUTED THROUGH?
3,4,8,9
How many mounting pins secure the combostor?
10 MOUNTING PINS
What monitoring ports are found in the TMF?
Exhaust thermocouple and pressure probe ports.
WHAT PREVENTS CARBON BUILD UP ON THE FUEL NOZZLE?
VENTURI-SHAPED SPOOLS
WHAT IS THE THIRD PLANET FROM THE SUN?
EARTH
How many radial struts are in the Compressor Rear Frame?
10 radial struts.
What prevents carbon buildup on the fuel nozzle tips?
Venturi-shaped spools.
Why is the TMF sump housing double-walled?
To cool the wetted wall with air and prevent oil coking.
How many vortex-inducing axial swirl cups are housed in the dome?
30
WHAT IS THE WAYNE E MEYERS HULL NUMBER?
DDG-108
WHICH OPEN THERMODYNAMIC CYCLE GOVERNS THE OPERATION OF THE LM2500 GAS TURBINE ENGINE?
BRAYTON CYCLE
HOW MANY PIECES MAKE UP THE FUEL MANIFOLD AND EXPLAIN IT'S DESIGN
2 AND SHROUDED PIPE FOR FUEL LEAKS
WHAT IS THE PURPOSE OF THE HPT?
MAKE THE ENGINE SELF SUSTAINING
WHAT IS THE COWL ASSEMBLY MADE OUT OF?
HASTELLOY X
WHAT IS CHIEF CRADDUCK'S FULL NAME
BENJAMIN ADAM CRADDUCK