|
gptkbp:instance_of
|
gptkb:engine
|
|
gptkbp:bfsLayer
|
4
|
|
gptkbp:bfsParent
|
gptkb:Pratt_&_Whitney_R-1830_Twin_Wasp
|
|
gptkbp:compression_ratio
|
6.5:1
|
|
gptkbp:cooling_system
|
air-cooled
|
|
gptkbp:displacement
|
1,800 cubic inches
|
|
gptkbp:engine
|
gptkb:aircraft
gptkb:9
gptkb:Pratt_&_Whitney_R-series
commercial aviation
9-cylinder
radial layout
2,700 RPM
|
|
gptkbp:engine_type
|
reciprocating engine
|
|
gptkbp:first_flight
|
1939
|
|
gptkbp:first_introduced
|
1939
|
|
gptkbp:fuel_capacity
|
45 inches
40 inches
600 lb
0.5 lb/hp/hr
|
|
gptkbp:fuel_type
|
aviation gasoline
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Pratt & Whitney R-1800
|
|
gptkbp:ignition_system
|
magneto ignition
|
|
gptkbp:is_designed_to
|
military and civilian aircraft
|
|
gptkbp:maintenance
|
periodic overhaul required
|
|
gptkbp:manufacturer
|
gptkb:Pratt_&_Whitney
|
|
gptkbp:notable_users
|
gptkb:aircraft
gptkb:Royal_Canadian_Air_Force
gptkb:military_base
gptkb:battle
|
|
gptkbp:power_output
|
1,200 horsepower
|
|
gptkbp:produced_by
|
1950s
over 20,000
|
|
gptkbp:production_years
|
1939-1950s
|
|
gptkbp:replaced_by
|
turboprop engines
|
|
gptkbp:setting
|
air-cooled
|
|
gptkbp:successor
|
gptkb:Pratt_&_Whitney_R-2000
|
|
gptkbp:torque
|
1,200 lb-ft
wet sump
|
|
gptkbp:type
|
gptkb:engine
|
|
gptkbp:used_in
|
gptkb:Douglas_DC-3
gptkb:aircraft
gptkb:Lockheed_PV-1_Ventura
gptkb:Grumman_F6_F_Hellcat
|
|
gptkbp:valve_configuration
|
pushrod actuated
|
|
gptkbp:variant
|
gptkb:R-1830
gptkb:R-2800
|
|
gptkbp:weight
|
600 pounds
|