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gptkbp:instanceOf
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aircraft
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gptkbp:aircraft
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3,000 lbs
transport aircraft
biplane configuration
civil aircraft
fabric-covered wings
equal span wings
biplane transport aircraft.
Boeing_40_series.
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gptkbp:cockpit
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open cockpit
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gptkbp:constructionMaterial
|
wooden construction
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gptkbp:controls
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elevators and ailerons
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gptkbp:crew
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2
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gptkbp:design
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gptkb:George_Conrad_Westervelt
gptkb:Boeing_Model_40
large cargo capacity
to carry airmail.
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gptkbp:engine
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gptkb:Wright_J-5
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gptkbp:engineType
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piston engine
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gptkbp:firstFlight
|
1925
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gptkbp:fuelCapacity
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50 gallons
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gptkbp:headlights
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conventional tail
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gptkbp:historicalContext
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developed during the airmail expansion.
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gptkbp:historicalPeriod
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Golden Age of Aviation
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gptkbp:historicalSignificance
|
first aircraft to carry airmail for the US Postal Service.
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|
https://www.w3.org/2000/01/rdf-schema#label
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Boeing 40C
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gptkbp:influenced
|
future cargo aircraft designs.
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gptkbp:influencedBy
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gptkb:Boeing_40
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gptkbp:landingGear
|
tailwheel
tailwheel landing gear
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gptkbp:length
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30 ft 0 in
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gptkbp:manufacturer
|
gptkb:Boeing
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gptkbp:maxSpeed
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90 mph
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gptkbp:maxTakeoffWeight
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4,000 lbs
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gptkbp:nationality
|
gptkb:United_States
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gptkbp:notableUsers
|
gptkb:Boeing_Air_Transport
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gptkbp:numberBuilt
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50
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gptkbp:operationalArea
|
commercial aviation
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gptkbp:operationalHistory
|
served in the late 1920s.
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gptkbp:passengerCapacity
|
4
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gptkbp:productionCompany
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1925-1927
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gptkbp:productionLocation
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gptkb:Seattle,_Washington
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gptkbp:range
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400 miles
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gptkbp:retirementYear
|
1930s
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gptkbp:role
|
mail transport
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gptkbp:services
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1926
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gptkbp:setting
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two-bay biplane
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gptkbp:significance
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pioneered commercial airmail service.
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gptkbp:successor
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gptkb:Boeing_80
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gptkbp:type
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biplane
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gptkbp:usedBy
|
gptkb:United_States_Postal_Service
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gptkbp:variant
|
gptkb:Boeing_40B
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gptkbp:wingArea
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400 sq ft
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gptkbp:wingspan
|
43 ft 4 in
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