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Farman HF.30


Twin-Seat, Single-Engine Biplane Fighter Prototype


France | 1918



"The Farman HF.30 simply could not overcome its inherent issues during its prototype phase - leaving just one aircraft constructed during World War 1."



Authored By: Staff Writer | Last Edited: 08/07/2018 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
The Farman concern of France entered the airplane business in 1907 when its founder, Henry Farman, purchased a Voisin aircraft and decided to improve upon the type. In 1909, the company began making its own aircraft with the Farman III series. The global aeroplane industry then benefitted immensely when World War 1 (1914-1918) arrived in the summer of 1914 for any-and-all aircraft were required by the fighting air services of the day.

By 1916, the war had fallen into a stalemate involving trenches and artillery volleys. The French Air Service was now in need of a more modern two-seat fighter class aircraft and therefore set a requirement around this need. Farman responded by creating a biplane (of unequal span, single bay wing arrangement) aircraft utilizing the typical construction methods of the day - canvas over wood, fixed undercarriage, open-air cockpits and wire-and-strut bracing. Power was from a single Canton-Unne X-9 water-cooled radial piston engine of 160 horsepower driving a two-bladed wooden propeller at the nose. The two crew were seated in tandem with the rear crewman managing a flexible 7.7mm Lewis machine gun. The pilot had access to a single 7.7mm Vickers at front. The finalized design became known as the Farman "HF.30" (also the "F30" or "F30A" in some sources, not to be confused with the earlier Farman "Type 30" twin-seat, pusher-arranged design).

Overall dimensions included a length of 23.10 feet, a wingspan of 36 feet and a height of 9.8 feet. Empty weight was 1,500lb against an MTOW of 2,425lb.

A prototype was first-flown in December of 1916 as the war raged on. Testing continued into the spring of 1917 but failed to showcase the Farman design as winning design - issues consistently centered on stability and a clumsy center-of-gravity. As such, engineers took the aircraft "back to the board" and revised it to become the "HF.30B". This time the fighter was powered by a Salmson 9Za 9-cylinder water-cooled radial piston engine of 260 horsepower and its wingspan was shortened by nearly six feet (and arranged with twin bays with parallel struts). Conversely, the fuselage was lengthened by over three feet. First-flight of this aircraft was recorded in July of 1917 and a maximum speed of 133 miles per hour was reached. The aircraft could stay airborne for about 2.5 hours and manage an initial rate-of-climb of 895 feet-per-minute.

These changes, however, were not enough to fix the inherent problems of the HF.30 design after testing ensued during the latter half of 1917. In 1918, the design was once-again addressed this time with an expansion of the upper wing assembly to 45.10 feet. A first-flight of the "HF.30B-AR 2" was had in 1918 but the project was wholly abandoned that same year as there proved better alternatives available.

Only the single prototype aircraft was all that was completed for the HF.30 project

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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 Farman HF.30B Twin-Seat, Single-Engine Biplane Fighter Prototype.
1 x Salmson 9Za 9-cylinder water-cooled radial piston engine developing 260 horsepower and driving a two-bladed wooden propeller at the nose.
Propulsion
134 mph
215 kph | 116 kts
Max Speed
336 miles
540 km | 292 nm
Operational Range
895 ft/min
273 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 Farman HF.30B Twin-Seat, Single-Engine Biplane Fighter Prototype.
2
(MANNED)
Crew
24.0 ft
7.30 m
O/A Length
36.1 ft
(11.00 m)
O/A Width
9.7 ft
(2.95 m)
O/A Height
1,499 lb
(680 kg)
Empty Weight
2,425 lb
(1,100 kg)
MTOW
Armament
Available supported armament and special-mission equipment featured in the design of the Farman HF.30 Twin-Seat, Single-Engine Biplane Fighter Prototype .
PROPOSED:
1 x 7.7mm Vickers Machine Gun
1 x 7.7mm Lewis Machine Gun on flexible mounting in rear cockpit.
Variants
Notable series variants as part of the Farman HF.30 family line.
HF.30 - Model of December 1916; fitted with Canton-Unne X-9 water-cooled radial piston engine developing 160 horsepower.
HF.30B - Revision of July 1917; fitted with Salmson 9Za 9-cylinder water-cooled radial piston engine of 260 horsepower; shortened wingspan by 5.9 feet and lengthened fuselage by 3.2 feet.
HF.30B-AR 2 - Revision of 1918; extended upper wing assembly to 45.10 feet.
Operators
Global customers who have evaluated and/or operated the Farman HF.30. Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 1 Units

Contractor(s): Farman (Henry Farman) - France
National flag of France

[ France (cancelled) ]
Relative Max Speed
Hi: 150mph
Lo: 75mph
Aircraft Max Listed Speed (134mph).

Graph Average of 113 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 Farman HF.30
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.
AIR-TO-AIR COMBAT
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 Farman HF.30 Twin-Seat, Single-Engine Biplane Fighter Prototype appears in the following collections:
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