gptkbp:instance_of
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gptkb:engine
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gptkbp:bfsLayer
|
7
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gptkbp:bfsParent
|
gptkb:Lycoming_T53-L-703
gptkb:Lycoming_T53-L-91
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gptkbp:application
|
gptkb:helicopter
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gptkbp:average_temperature
|
up to 1,000 ° F
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gptkbp:certification
|
FAA certified
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gptkbp:compression_ratio
|
8:1
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gptkbp:construction_material
|
stainless steel
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gptkbp:controls
|
gptkb:full_authority_digital_engine_control_(FADEC)
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gptkbp:cooling_system
|
air-cooled
|
gptkbp:design
|
military applications
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gptkbp:diameter
|
approximately 14 in
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gptkbp:drivetrain
|
reduction gearbox
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gptkbp:emissions_standard
|
low emissions
single exhaust
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gptkbp:engine
|
modular design
Brayton cycle
flexible mount
air-start
T53 family
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gptkbp:engine_type
|
gptkb:engine
centrifugal compressor
two-stage turbine
nickel alloy
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gptkbp:field
|
used in various military helicopters
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gptkbp:first_flight
|
gptkb:1960
|
gptkbp:fuel_capacity
|
high efficiency
0.5 lb/hp/hr
|
gptkbp:fuel_type
|
gptkb:Jet_A
dual fuel system
|
gptkbp:historical_event
|
developed in the 1950s
|
https://www.w3.org/2000/01/rdf-schema#label
|
Lycoming T53-L-720
|
gptkbp:ignition_system
|
spark ignition
|
gptkbp:is_tested_for
|
extensively tested
|
gptkbp:legacy
|
proven track record
|
gptkbp:length
|
approximately 40 in
|
gptkbp:maintenance
|
500 hours
|
gptkbp:manufacturer
|
gptkb:Lycoming_Engines
|
gptkbp:market_segment
|
gptkb:aircraft
|
gptkbp:material
|
aluminum alloy
|
gptkbp:max_speed
|
42,000 rpm
|
gptkbp:noise_level
|
low noise
low vibration
|
gptkbp:operational_history
|
widely used in Vietnam War
|
gptkbp:operational_range
|
long operational range
|
gptkbp:power_output
|
1,400 shp
|
gptkbp:project
|
ongoing improvements
|
gptkbp:propulsion
|
3.5:1
3.5 hp/lb
|
gptkbp:reliability
|
high reliability
|
gptkbp:service_ceiling
|
20,000 ft
|
gptkbp:setting
|
free turbine
|
gptkbp:type
|
gptkb:engine
|
gptkbp:used_in
|
gptkb:Bell_UH-1_Iroquois
|
gptkbp:variant
|
T53-L-703
|
gptkbp:weight
|
approximately 400 lb
|