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Huff-Daland XHB-1 Cyclops


Heavy Bomber Prototype Aircraft


United States | 1927



"The Huff-Daland XHB-1 heavy bomber was completed in just one prototype - the XB-1 Super Cyclops become a twin-engine, twin-boom version made by Keystone."



Authored By: Staff Writer | Last Edited: 04/05/2019 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
For years in the decade following World War 1 (1914-1918) the Huff-Daland Aero Corporation attempted to sell the United Sates Army Air Corps (USAAC) on its biplane bomber concepts. Very few of these attempts saw any fruit instead serving out their days primarily in developmental prototype forms. The Huff-Daland XHB-1 "Cyclops" was one such offering, continuing the Huff-Daland biplane approach from the early 1920s and incorporating a single Packard 2A-2540 engine of 750 horsepower in the nose. The crew numbered four and performance included a maximum speed of 109 miles per hour. For all intents and purposes, the XHB-1 was nothing more than a dimensionally larger, heavy bomber-minded version of its preceding LB-1 light bomber of which ten were claimed by the USAAS (United States Army Air Service). A sole prototype was all that was ever realized of the XHB-1 initiative for it was not adopted in any notable way.

As was the case with the LB-1 before it, the chief limiting factor in the XHB-1 was its use of a single engine. Army chiefs worried for the survivability of such a large aircraft when set over enemy terrain or long distances pushing Huff-Daland engineers to produce a revised twin-engined form of the LB-1 in the XLB-3. However, even this initiative was shelved after a single prototype in favor of the LB-5 (36 produced). As with those aircraft, a twin-engined variant of the XHB-1 was wished for - and granted - in the upcoming XB-1 "Super Cyclops". By then, the Huff-Daland brand label would be absorbed by Keystone Aircraft Corporation until it, itself, was taken over by Curtiss-Wright in 1929 and no more by 1932.

The XHB-1 fell to naught with a sole prototype completed. The XB-1 Super Cyclops would fare no better with just one prototype to its name as well.

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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 Huff-Daland XHB-1 Cyclops Heavy Bomber Prototype Aircraft.
1 x Packard 2A-2540 engine developing 750 horsepower.
Propulsion
109 mph
175 kph | 94 kts
Max Speed
Structure
The nose-to-tail, wingtip-to-wingtip physical qualities of the Huff-Daland XHB-1 Cyclops Heavy Bomber Prototype Aircraft.
4
(MANNED)
Crew
59.6 ft
18.17 m
O/A Length
84.6 ft
(25.79 m)
O/A Width
17.2 ft
(5.23 m)
O/A Height
16,832 lb
(7,635 kg)
MTOW
Armament
Available supported armament and special-mission equipment featured in the design of the Huff-Daland XHB-1 Cyclops Heavy Bomber Prototype Aircraft .
STANDARD:
2 x 0.30 caliber Lewis machine guns

OPTIONAL:
Up to 4,000 lb of conventional drop bombs.
Variants
Notable series variants as part of the Huff-Daland XHB-1 Cyclops family line.
XHB-1 "Cyclops" - Base Series Prototype; single example.
Operators
Global customers who have evaluated and/or operated the Huff-Daland XHB-1 Cyclops. Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 1 Units

Contractor(s): Huff-Daland Aero Company - USA


[ ]
Relative Max Speed
Hi: 120mph
Lo: 60mph
Aircraft Max Listed Speed (109mph).

Graph Average of 90 MPH.
Era Crossover
Pie graph section
Showcasing Aircraft Era Crossover (if any)
Production Comparison
1
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 Huff-Daland XHB-1 Cyclops
Image from the Public Domain.

Mission Roles
Some designs are single-minded in their approach while others offer a more versatile solution to airborne requirements.
GROUND ATTACK
X-PLANE
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 Huff-Daland XHB-1 Cyclops Heavy Bomber Prototype Aircraft appears in the following collections:
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