gptkbp:instance_of
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gptkb:engine
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gptkbp:bfsLayer
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6
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gptkbp:bfsParent
|
gptkb:H-1_radial_engine
gptkb:P&_WR-2000-7_Twin_Wasp
gptkb:Pratt_&_Whitney_R-series
gptkb:R-2600_Cyclone
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gptkbp:compression_ratio
|
6.5:1
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gptkbp:cooling_system
|
air-cooled
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gptkbp:displacement
|
2800 cubic inches
46 liters
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gptkbp:emissions_standard
|
exhaust stacks
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gptkbp:engine
|
gptkb:R-1830_Twin_Wasp
gptkb:R-2600_Cyclone
high reliability
horizontally opposed
front-mounted
up to 3,000 RPM
used in many historic aircraft
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gptkbp:engine_type
|
reciprocating engine
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gptkbp:fuel_capacity
|
3.5 feet
4.5 feet
0.5 to 0.6 lb/hp/hr
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gptkbp:fuel_type
|
aviation gasoline
carbureted
|
https://www.w3.org/2000/01/rdf-schema#label
|
R-2800 Double Wasp
|
gptkbp:ignition_system
|
dual ignition
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gptkbp:maintenance
|
moderate complexity
|
gptkbp:manufacturer
|
gptkb:Pratt_&_Whitney
|
gptkbp:noise_level
|
loud operation
moderate vibration
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gptkbp:original_run
|
1939
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gptkbp:power_output
|
2000 to 2800 horsepower
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gptkbp:produced_by
|
over 100,000 units
|
gptkbp:production_years
|
1939 to 1960
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gptkbp:propulsion
|
variable-pitch
|
gptkbp:setting
|
14-cylinder
|
gptkbp:successor
|
gptkb:Pratt_&_Whitney_R-4360_Wasp_Major
|
gptkbp:torque
|
up to 2,500 lb-ft
|
gptkbp:type
|
air-cooled
|
gptkbp:used_in
|
gptkb:aircraft
gptkb:Grumman_F8_F_Bearcat
gptkb:Lockheed_Constellation
gptkb:Douglas_DC-7
|
gptkbp:utilizes
|
military and civilian aircraft
|
gptkbp:valve_configuration
|
pushrod actuated
|
gptkbp:variant
|
gptkb:R-2800-57
gptkb:R-2800-83
gptkb:R-2800-8
gptkb:R-2800-94
|
gptkbp:weight
|
approximately 1,600 pounds
|