gptkbp:instance_of
|
gptkb:engine
|
gptkbp:bfsLayer
|
7
|
gptkbp:bfsParent
|
gptkb:Lycoming_T53-L-703
gptkb:Lycoming_T53-L-91
|
gptkbp:application
|
aerospace
|
gptkbp:average_temperature
|
up to 1,000 ° F
|
gptkbp:certification
|
FAA certified
|
gptkbp:compression_ratio
|
12:1
|
gptkbp:controls
|
hydromechanical
|
gptkbp:cooling_system
|
air-cooled
|
gptkbp:design
|
helicopter propulsion
|
gptkbp:diameter
|
1.5 ft
|
gptkbp:drivetrain
|
reduction gearbox
|
gptkbp:emissions_standard
|
low
straight exhaust
|
gptkbp:engine
|
gptkb:engine
2,500 hours
flexible mount
single shaft
|
gptkbp:engine_type
|
gptkb:engine
single-spool
centrifugal compressor
2 stages
6 stages
nickel alloy
|
gptkbp:first_flight
|
1960s
|
gptkbp:fuel_capacity
|
moderate
0.5 lb/hp/hr
under fuselage
|
gptkbp:fuel_type
|
fuel injection
kerosene
annular combustion chamber
|
gptkbp:historical_event
|
developed in the 1950s
|
https://www.w3.org/2000/01/rdf-schema#label
|
Lycoming T53-L-716
|
gptkbp:ignition_system
|
spark ignition
|
gptkbp:investment
|
high pressure
|
gptkbp:launched
|
starter motor
|
gptkbp:length
|
4.5 ft
|
gptkbp:maintenance
|
1,000 hours
|
gptkbp:manufacturer
|
gptkb:Lycoming_Engines
|
gptkbp:noise_level
|
moderate
|
gptkbp:notable_users
|
gptkb:Bell_Helicopter
|
gptkbp:operational_area
|
gptkb:aircraft
|
gptkbp:operational_history
|
used in Vietnam War
|
gptkbp:power_output
|
1,500 shp
|
gptkbp:propulsion
|
gptkb:battle
3.75:1
1,500 lbf
3.75 shp/lb
|
gptkbp:reliability
|
high
|
gptkbp:service_ceiling
|
20,000 ft
|
gptkbp:type
|
gptkb:engine
|
gptkbp:used_in
|
gptkb:helicopter
|
gptkbp:variant
|
T53-L-703
|
gptkbp:weight
|
approximately 400 lb
|