|
gptkbp:instance_of
|
gptkb:jet_engine
|
|
gptkbp:application
|
gptkb:military_aircraft
|
|
gptkbp:compression_ratio
|
6:1
|
|
gptkbp:configuration
|
V configuration
|
|
gptkbp:cooling_system
|
liquid-cooled
water-cooled
|
|
gptkbp:displacement
|
12.5 liters
|
|
gptkbp:engine
|
advanced for its time
influenced future aircraft designs
limited production run
|
|
gptkbp:engine_accessories
|
magnetos
|
|
gptkbp:engine_bore
|
5.5 inches
|
|
gptkbp:engine_configuration
|
performance upgrades available
cradle mount
|
|
gptkbp:engine_displacement
|
1250 cubic inches
|
|
gptkbp:engine_lubrication
|
wet sump
|
|
gptkbp:engine_power
|
400 horsepower at 2,000 rpm
|
|
gptkbp:engine_reputation
|
reliable performance
|
|
gptkbp:engine_starting
|
manual start
|
|
gptkbp:engine_stroke
|
6.0 inches
|
|
gptkbp:engine_type
|
reciprocating engine
compatible with various airframes
D-12 A, D-12 B
|
|
gptkbp:exhaust_system
|
single exhaust system
|
|
gptkbp:first_flight
|
gptkb:1917
|
|
gptkbp:fuel_capacity
|
54 inches
30 inches
|
|
gptkbp:fuel_economy
|
0.5 lb/hp/hr
|
|
gptkbp:fuel_type
|
aviation gasoline
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Curtiss D-12 engine
|
|
gptkbp:ignition_system
|
spark ignition
|
|
gptkbp:impact
|
significant in WWI aviation history
|
|
gptkbp:maintenance
|
periodic inspections
overhaul every 500 hours
|
|
gptkbp:manufacturer
|
gptkb:Curtiss_Aeroplane_and_Motor_Company
|
|
gptkbp:notable_users
|
gptkb:Royal_Flying_Corps
gptkb:US_Army_Air_Service
|
|
gptkbp:number_of_engines
|
gptkb:12
|
|
gptkbp:power_output
|
400 hp
|
|
gptkbp:production_years
|
1917-1920
|
|
gptkbp:propeller
|
variable-pitch propeller
|
|
gptkbp:successor
|
Curtiss D-46 engine
|
|
gptkbp:torque
|
500 lb-ft
|
|
gptkbp:type
|
V-12 engine
|
|
gptkbp:used_in
|
gptkb:Curtiss_H-12
gptkb:Curtiss_JN-4
|
|
gptkbp:valve_configuration
|
overhead valves
|
|
gptkbp:weight
|
approximately 600 lbs
|
|
gptkbp:bfsParent
|
gptkb:Glen_Curtiss
|
|
gptkbp:bfsLayer
|
7
|