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Potez 75


Missile-Carrier / Ground Attack Prototype


Originally developed as a missile-carrier, the French Potez 75 was eventually rewritten as a ground-attack platform - budget issues eventually ended its development.
Authored By: Staff Writer | Last Edited: 1/14/2019
In the 1950s, a rebuilding French military industry placed its focus on missile-carrying combat aircraft and one product of the period attempted to mate the "SS.10" wire-guided anti-tank missile with an airframe developed specifically to carry it in the "Potez 75" aircraft. The missile's design was credited to one Jean Bastien-Thiry of Nord Aviation and was an early-form dedicated tank-killer appearing at a time when the enemy of the West was the Soviet Union and its feared tank formations set to spell a future doom for most of Europe. Some 30,000 of these missiles were eventually produced and went on to see service with the French and American (as the "MGM-21A") militaries for its time. This missile directly spawned the Potez 75 aircraft designed to carry it - but this aircraft became only a one-off prototype that did not enter serial production with any world power.

The resulting aircraft's fuselage was slab-sided with the dedicated "missile operator" seated in the nose section and the pilot aft of him in a raised position. The two cockpits were, therefore, of stepped arrangement and had individual, lightly-framed canopies offering fairly decent views out-of-the-cockpit (the pilot's position initially had an open-air emplacement). A battery of machine guns were fixed into the nose section ahead of the missile operator. The wing mainplanes were straight-edged with clipped tips and the twin-boom arrangement extended from each wing's trailing edges aft, each boom concluding with a vertical tail fin at the rear and these further joined together by a single horizontal plane overhead. As a prototype, the tricycle undercarriage (faired over for aerodynamic efficiency) was fixed in flight (non-retractable). The aircraft was completed in all-metal construction.

Rather uniquely for a combat aircraft of this time, the Potez 75 had its single engine fit driving a three-bladed, variable-pitch propeller unit at the rear of the fuselage in a "pusher" configuration - this clearing the frontal section of the aircraft for unobstructed views and fixed, forward-facing armament. The engine of choice became the in-house Potez 8D.32 V8 inverted air-cooled piston engine of 480 horsepower.

Proposed standard, fixed armament became 4 x 7.5mm MAC 1934 machine guns installed into the nose. In addition to this, the aircraft was to carry several of the Nord anti-tank missiles.

Dimensions of the aircraft included a running length of 30 feet, a wingspan of 43 feet, and a height of 8.9 feet. Empty weight was 4,000lb against an MTOW of 5,300lb.

A first-flight in prototype form was finally had on June 10th, 1953 but subsequent testing revealed the aircraft to be a poor missile-carrying / missile-launching platform. As such, to save the aircraft its original over-battlefield role was changed to that of "ground-attack" and provisions were introduced for carrying up to 8 x Air-to-surface rockets, these to be held under the wings. In this revised form, the prototype was pressed into active, direct-combat service in 1956 with French forces during the bloody Algerian War (1954-1962) and eventually proved its worth - resulting in a pre-production order covering fifteen airframes. However, in light of a dwindling French defense budget the following year, the new, rather novel, combat aircraft was nixed from procurement and its development ultimately stopped. It flew for only a short time later into 1958 at which point it crash-landed in September of that year and was subsequently dismantled and destroyed.






Specifications



Year:
1953
Status
Cancelled
Crew
2
[ 1 Units ] :
Potez - France
National flag of France France (cancelled)
- Close-Air Support (CAS)
- X-Plane / Developmental
Length:
30.02 ft (9.15 m)
Width/Span:
42.98 ft (13.1 m)
Height:
8.86 ft (2.7 m)
(Showcased structural dimension values pertain to the Potez 75 production model)
Empty Weight:
3,968 lb (1,800 kg)
MTOW:
5,291 lb (2,400 kg)
(Diff: +1,323lb)
(Showcased weight values pertain to the Potez 75 production model)
1 x Potez 8D.32 V8 inverted air-cooled piston engine developing 480 horsepower driving a propeller unit in pusher configuration.
(Showcased powerplant information pertains to the Potez 75 production model)
Maximum Speed:
171 mph (275 kph; 148 kts)
Service Ceiling:
26,247 feet (8,000 m; 4.97 miles)
Maximum Range:
435 miles (700 km; 378 nm)
Rate-of-Climb:
1,600 ft/min (488 m/min)
(Showcased performance values pertain to the Potez 75 production model; Compare this aircraft entry against any other in our database)
PROPOSED:
4 x 7.5mm MAC 1934 machine guns in nose section.

OPTIONAL:
8 x Air-to-surface rockets under wings.
(Showcased armament details pertain to the Potez 75 production model)
Model 75 - Base Series Designation; single flyable example completed before project's end.

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