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gptkbp:instance_of
|
gptkb:engine
|
|
gptkbp:bfsLayer
|
7
|
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gptkbp:bfsParent
|
gptkb:Lycoming_T53-L-703
gptkb:Lycoming_T53-L-69
gptkb:Lycoming_T53-L-91
|
|
gptkbp:application
|
gptkb:Bell_UH-1_Iroquois
|
|
gptkbp:availability
|
available for military contracts
|
|
gptkbp:average_temperature
|
up to 1200° F
up to 1500° F
|
|
gptkbp:certification
|
military certification
|
|
gptkbp:compression_ratio
|
8:1
|
|
gptkbp:controls
|
hydromechanical fuel control
|
|
gptkbp:cooling_system
|
air-cooled
|
|
gptkbp:design
|
gptkb:aircraft
|
|
gptkbp:developer
|
1950s to 1960s
|
|
gptkbp:diameter
|
approximately 14 inches
|
|
gptkbp:emissions_standard
|
meets military standards
|
|
gptkbp:engine
|
modular design
flexible mount
approximately 5000 hours
T53-L-701
|
|
gptkbp:engine_type
|
gptkb:watch
gptkb:engine
free turbine
|
|
gptkbp:features
|
high thrust-to-weight ratio
|
|
gptkbp:first_flight
|
gptkb:1960
|
|
gptkbp:fuel_capacity
|
0.5 lb/hp/hr
moderate efficiency
|
|
gptkbp:fuel_type
|
gptkb:Jet_A
annular combustor
dual fuel system
|
|
gptkbp:historical_significance
|
widely used in Vietnam War
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Lycoming T53-L-707
|
|
gptkbp:ignition_system
|
spark ignition
|
|
gptkbp:is_tested_for
|
extensive testing required
|
|
gptkbp:launched
|
air start
|
|
gptkbp:legacy
|
influenced future turbine designs
|
|
gptkbp:legal_issue
|
gptkb:political_movement
|
|
gptkbp:length
|
approximately 40 inches
|
|
gptkbp:maintenance
|
500 hours
|
|
gptkbp:manufacturer
|
gptkb:Lycoming_Engines
|
|
gptkbp:market_segment
|
military and commercial aviation
|
|
gptkbp:material
|
aluminum and titanium
|
|
gptkbp:max_speed
|
42000
|
|
gptkbp:noise_level
|
low noise operation
|
|
gptkbp:operational_area
|
helicopter propulsion
|
|
gptkbp:operational_history
|
used in various conflicts
|
|
gptkbp:operational_range
|
varies by application
|
|
gptkbp:power_output
|
1500 horsepower
|
|
gptkbp:propulsion
|
up to 1500 lbs
3.75 hp/lb
|
|
gptkbp:reliability
|
high reliability
|
|
gptkbp:service_ceiling
|
up to 20,000 feet
|
|
gptkbp:setting
|
twin-spool
|
|
gptkbp:supports
|
extensive support network
|
|
gptkbp:type
|
gptkb:engine
|
|
gptkbp:used_in
|
gptkb:helicopter
|
|
gptkbp:variant
|
T53-L-703
|
|
gptkbp:weight
|
approximately 400 pounds
|