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Linked assets
Model 40 (Mailplane)
Model 40 (Mailplane)
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Conceptually similar
Mailplane Progress
Model 40A Mailplane Assembly
Model 40C in Boeing Factory
Model 40B-4 at Plant I Hangar
Model 40C and Model 95 Mailplane Manufacturing
Engine Installation Mail Plane 40-A
Assembly Uncovered, Design #74
Model 80A Wings and Frame Assembly
Boeing Model 40 with Special Passenger
Empennage Assembly, F3B-1
Model 40B with Passengers
Assembly of Model 80
Model 40B at Boeing Hangar
P-12D Left Side Gun Installation
P-12D Left Side Chute Installation
Model 40B with NACA Cowling
Boeing Model 40B in Flight Above Mountain
Aircraft Assemby Shop Floor, Model 80A and F4B-1
DH-4Bs Being Remodeled
B-1/Model 6 in Hangar
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Similar tones
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Model 40B-4 Mailplane Manufacturing
The first Model 40 was redesigned as the Model 40A in 1927 using an air-cooled engine. This engine was about 200 pounds lighter than the water-cooled engines used by competitors for the airmail contract, so the Model 40A won and became the first Boeing-built airplane to carry paying passengers as well as mail. The Model 40 series (A, B, and C) flew under the banner of Boeing Air Transport, a new company subsidiary. Models 40X and Y were custom-built for oil companies.
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Unique identifier
BI23978
Boeing ID
4290b
Type
Image
Size
5998px × 4790px 27MB
License type
RM
Keywords
1920s
abundance
airplanes
commercial
day
factories
full body views
ground shots
hangars
interiors
left front views
left rear views
left side views
mail planes
manufacturing
Model 40A
Model 40B-4
passenger helicopters
perspective lines
photos
Plant I
propeller planes
repetition
text
unpainted
viewed from above
vintage / retro
Tasks
Restrictions