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Conceptually similar
DH-4 on Ground
DH-4 on Ground
DH-4 Assembly
DH-4 Frame
Haviland DH-4 Rebuilding, Boeing Shop Floor
DH-4Bs Being Remodeled
Model 16, DH-4 Manufacturing
DH-4B Steel Fuselage Static Test
PW-9 and DH-4 on Field
North American Fokker First Production DH-4M-2 Takeoff
F4B Fighter on Tarmac
F4B-4 Navy Biplane Fighter on Deck
F4B-3 on the Ground
Boeing NB-4 Naval Trainer, Landplane Version
P-12C Army Biplane Fighter on Tarmac
Boeing Model 203 Trainer on Ground
Boeing F3B-1 on Ground
NB-1 Floatplane on Lake Union
P-12E with 450-hp Engine
Boeing P-12C on Runway
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DH-4 on Tarmac
Boeing gained valuable early experience in metal structures in the 1920s by rebuilding surplus de Havilland DH-4s, replacing their wire-braced wooden fuselages with welded steel tubing. From 1923 to 1925, 186 airplanes were rebuilt using the Boeing-developed arc welding process for steel-tube fuselages. These aircraft were designated DH-4M (for modernized). The arc welding process later was crucial development of the first Boeing-designed fighters.
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Unique identifier
BI211204
Boeing ID
469b
Type
Image
Size
5100px × 3950px 19MB
License type
RM
Keywords
1920s
airplanes
biplanes
bombers
copy space
day
exteriors
full body views
ground shots
historic production status
military
military livery
military observation aircraft
nobody
Non Boeing products
photos
propeller planes
right front views
sunshine
tarmac
text
trainers
unpaved ground
vintage / retro
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