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Handley Page Type O


Twin-Engine Heavy Bomber Biplane Aircraft


United Kingdom | 1918



"For a time, the HP O/400 was the largest aircraft ever produced for the United Kingdom."



Authored By: Staff Writer | Last Edited: 01/30/2019 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
The O/400 model series by Handley Page aircraft firm was the principle heavy bomber of the RAF by the end of the First World War. The O/400 was directly descended from the previous O/100 model series with the "100" and "400" designations assigned to each model depicting the horsepower output of the engines. Similarities aside, the O/400 not only fitted new engines to the bomber design but the system also had a newly designed bombsight that improved - if ever so slightly - the capabilities of aircraft and crew alike. The heavy bomber would be used in quantity with British forces to which more than 500 examples would be produced along with limited quantities of the type as supplied to by American forces.

The O/400 was a rudimentary design common with World War One standards, though built to an immensely large size - a 100 foot wingspan with a length of nearly 63 feet. The aircraft was crewed by a compliment of three personnel and fitted with two landing gear systems mounting two wheels a piece. The engines set the system apart from the previous O/100 design by mounting the 360hp Rolls-Royce brand Eagle VIII V-12 engines on either side of the fuselage. Wing design was of the typical heavy bomber biplane type, with struts spanning the structures. The aircraft featured a three-rudder, twin-elevator system at rear.

Armament of the mammoth Handley Page O/400 consisted of three Lewis-type machine gun systems mounted at various defensive positions about the fuselage. Ordnance capabilities were impressive with the ability to field up to 16 x 112lb bombs or up to 8 x 250lb bombs. Bombing was accomplished through a LT Commander Wimperis-designed Drift Sight Mk 1A bombsight. This system had the capability to process aerial information for the bomber to utilize in the form of drift, the aircraft's current airspeed and altitude for improved bombing capabilities over its predecessor. In all, the system was fielded in force to the end of the war, seeing full action with no fewer than eleven operational RAF squadrons throughout the English Empire.

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Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the Handley Page HP O/400 Twin-Engine Heavy Bomber Biplane Aircraft.
2 x Rolls-Royce Eagle VIII V-12 engines developing 360 horsepower each.
Propulsion
98 mph
157 kph | 85 kts
Max Speed
8,497 ft
2,590 m | 2 miles
Service Ceiling
450 miles
724 km | 391 nm
Operational Range
217 ft/min
66 m/min
Rate-of-Climb
City-to-City Ranges
Operational range when compared to distances between major cities (in KM).
NYC
 
  LON
LON
 
  PAR
PAR
 
  BER
BER
 
  MOS
MOS
 
  TOK
TOK
 
  SYD
SYD
 
  LAX
LAX
 
  NYC
Structure
The nose-to-tail, wingtip-to-wingtip physical qualities of the Handley Page HP O/400 Twin-Engine Heavy Bomber Biplane Aircraft.
3
(MANNED)
Crew
62.9 ft
19.16 m
O/A Length
100.0 ft
(30.48 m)
O/A Width
22.0 ft
(6.70 m)
O/A Height
8,501 lb
(3,856 kg)
Empty Weight
13,360 lb
(6,060 kg)
MTOW
Design Balance
The three qualities reflected below are altitude, speed, and range. The more full the box, the more balanced the design.
RANGE
ALT
SPEED
Armament
Available supported armament and special-mission equipment featured in the design of the Handley Page Type O Twin-Engine Heavy Bomber Biplane Aircraft .
STANDARD:
5 x 7.7mm Lewis machine guns in nose (2x), dorsal (2x) and ventral (1x) positions.

OPTIONAL:
8 x 250lb bombs OR 16 x 112lb bombs. Up to 2,000lb of total externally-held ordnance.
Variants
Notable series variants as part of the Handley Page Type O family line.
O/100 - Initial Bomber Model on which the development of the 0/400 stemmed from.
O/400 - Base Series Designation
Operators
Global customers who have evaluated and/or operated the Handley Page Type O. Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 657 Units

Contractor(s): Handley Page - UK
National flag of Australia National flag of China National flag of the United Kingdom National flag of the United States

[ Australia; China; United Kingdom; United States ]
Relative Max Speed
Hi: 100mph
Lo: 50mph
Aircraft Max Listed Speed (98mph).

Graph Average of 75 MPH.
Era Crossover
Pie graph section
Pie graph section
Showcasing Aircraft Era Crossover (if any)
Max Alt Visualization
Small airplane graphic
Production Comparison
657
36183
44000
Entry compared against Ilyushin IL-2 (military) and Cessna 172 (civilian) total production.
MACH Regime (Sonic)
Sub
Trans
Super
Hyper
HiHyper
ReEntry
RANGES (MPH) Subsonic: <614mph | Transonic: 614-921 | Supersonic: 921-3836 | Hypersonic: 3836-7673 | Hi-Hypersonic: 7673-19180 | Reentry: >19030
Aviation Timeline
EarlyYrs
WWI
Interwar
WWII
ColdWar
Postwar
Modern
Future
1 / 1
Image of the Handley Page Type O

Mission Roles
Some designs are single-minded in their approach while others offer a more versatile solution to airborne requirements.
GROUND ATTACK
Recognition
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
The Handley Page Type O Twin-Engine Heavy Bomber Biplane Aircraft appears in the following collections:
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