15.19 POWERPLANT INST Flashcards
what is a part of the powerplant
everything associated with the engine on the engine side of the firewall
what is the function of a firewall
isolate certain parts of an aircraft
what is classed as a fire zone
areas with ignition or potential for flammable fluid
what are firewalls typically made from
stainless steel or high heat resistant metals
what is the function of thee engine cowls
protect the engine parts from outside elements
what do engine cowls also do with air
direct it around the engine for cooling
what are the thrust reverse cowls also known as
C ducts
how do you open the C ducts
hydraulic or electric pump
what are used on the engine to reduce noise
acoustic panels
whats the disadvantage of acoustic liners
added weight
what shape are acoustic liners
honeycomb
where are the mounting points on an engine to the aircraft
front on compressor, rear on exhaust/turbine
what loads does the fwd mount take
vertical, side and axial loads
whats loads does the aft mount take
vertical and side loads only
what are the types of hoses and pipes on aircraft
fuel lines, hydraulic lines, flexible lines
how can extra protection be added to wire looms
grommets and chafe strips
whats the minimum bend radii for wire groups
not less than 10 times the outside diameter of their largest wire
when removing engines what points must be used for lifting
lifting points
where are drains installed
lowest point
where are powerplants mounted on modern aircrfat
wing mounted
