science

SNCAC NC.1070

SNCAC NC.1070 is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand SNCAC NC.1070 rather than just read about it. In short: The SNCAC NC.1070 was a piston engined attack and torpedo bomber designed and built in France shortly after World War II. The second prototype, the NC.1071, was the first French multi-jet turbine powered aircraft.

Key takeaways

SNCAC NC.1070 belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect SNCAC NC.1070 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of SNCAC NC.1070 from memory before moving on to harder problems.

Reference excerpt

The SNCAC NC.1070 was a piston engined attack and torpedo bomber designed and built in France shortly after World War II. The second prototype, the NC.1071, was the first French multi-jet turbine powered aircraft.

Design and development Built shortly after World War II, the NC.1070 was a contemporary of the Nord 1500 Noréclair and was intended to take a similar role. It was a twin engine aircraft of unconventional layout with twin booms, twin fins and a double horizontal tail. The central fuselage was not a pod, though short compared with the wing span, and extended beyond the tail. The NC.1070 was powered by a pair of SNECMA 14R fourteen-cylinder, two-row, air-cooled radial engines mounted well ahead of the wing. The fairings behind them extended around the wings and beyond as booms; at their rear, rectangular fixed tailplanes linked the booms to the fuselage. A straight tapered fin and rudder with trim tabs was mounted at the end of each boom with a constant chord, round tipped main tailplane mounted on top of them, carrying a one-piece elevator. The wings were mid-mounted and strongly tapered with slightly swept leading edges and marked curvature on the trailing edges. They were fitted with tabbed ailerons and flaps. There were three crew, a bomb aimer/observer housed in a partially glazed nose, the pilot in a conventional cockpit which merged into a raised rear fuselage and, in the extreme tail just beyond the fins, a rear gunner in a turret. The NC.1070 had retractable tricycle gear, the nose leg slightly offset to port and each leg with a large single wheel. The NC.1070 was first flown on 23 May 1947. Tests continued into 1948 but, piloted by Fernand Lasne, it was seriously damaged in a belly landing at Toussus-le-Noble Airport on 9 March 1948 and did not fly again. Instead, SNCAC concentrated on the jet powered second prototype, the NC.1071. This was powered by a pair of 22.24 kN (5,000 lbf) Rolls-Royce Nenes, mounted in booms like the piston engines of the NC.1070, though rather further forward, positioned below the wing and with their tailpipes emerging from the previously pointed boom ends. Because of the lowered booms/tailpipes the lower, fixed horizontal tail was removed. The rear gun position was replaced by a partially glazed observer's position and the bottom of the rudder was clipped to avoid the jet exhaust. Apart from these engine induced changes the NC.1071 was aerodynamically very similar to the NC.1070, with the same dimensions and only 130 kg (287 lb) heavier empty. Its maximum speed was increased by nearly 40% at altitude and it had a greater ceiling, (13,000 m (43,000 ft)) but its range, much reduced, was only 1,000 km (620 mi) The NC.1071 made its first flight on 12 October 1948. It suffered damage to its undercarriage on 27 April 1949, flew again in 1950 and was modified the following May after significant structural distortion appeared in flight. Though both an all weather fighter variant (NC.1072) and an attack bomber (NC.1073) were considered, they were not built and development was abandoned at the end of NC.1071's flight tests.

Variants NC.1070 The piston-engined first prototype. Abandoned after landing accident on 9 March 1948. NC.1071 Rolls-Royce Nene-powered second prototype, first flown 12 October 1948. The first French multi-jet aircraft.

Specifications (NC.1070) Data from Les Avions Francais de 1944 à 1964General characteristics Crew: Three Length: 10.20 m (33 ft 6 in) Wingspan: 20 m (65 ft 7 in) Height: 4.60 m (15 ft 1 in) Wing area: 50 m2 (540 sq ft) Empty weight: 7,850 kg (17,306 lb) Max takeoff weight: 10,700 kg (23,589 lb) Powerplant: 2 × SNECMA 14R 14 cylinder two-row air-cooled radial engine, 1,200 kW (1,600 hp) each Performance

Maximum speed: 578 km/h (359 mph, 312 kn) Range: 3,400 km (2,100 mi, 1,800 nmi) Service ceiling: 9,950 m (32,640 ft) Armament

Guns: 4 in rear turret Bombs: Torpedo

References

Bibliography Buttler, Tony. X-Planes of Europe II: Military Prototype Aircraft from the Golden Age 1946–1974. Manchester, UK: Hikoki Publications, 2015. ISBN 978-1-90210-948-0 Carbonel, Jean-Christophe (2016). French Secret Projects. Vol. 1: Post War Fighters. Crecy Publishing. ISBN 978-1-91080-900-6. Cuny, Jean (1989). Les avions de combat français, 2: Chasse lourde, bombardement, assaut, exploration [French Combat Aircraft 2: Heavy Fighters, Bombers, Attack, Reconnaissance]. Docavia (in French). Vol. 30. Ed. Larivière. OCLC 36836833. Gaillard, Pierre (1990). Les Avions Francais de 1944 à 1964. Paris: Éditions EPA. ISBN 2-85120-350-9. Green, William; Cross, Roy (1955). The Jet Aircraft of the World. London: McDonald. p. 88. Marchand, Alain (May 1977). "Les N.C.1070 et 1071 (2)". Le Fana de l'Aviation (in French) (90): 34–37. ISSN 0757-4169. Marchand, Alain (June 1977). "Les N.C.1070 et 1071 (3)". Le Fana de l'Aviation (in French) (91): 34–38. ISSN 0757-4169. Marchand, Alain (July 1977). "Les N.C.1070 et 1071 (4)". Le Fana de l'Aviation (in French) (92): 36–37. ISSN 0757-4169. Marchand, Alain (August 1977). "Les N.C.1070 et 1071 (5)". Le Fana de l'Aviation (in French) (93): 34–38. ISSN 0757-4169. Receveau, Roger (September 1977). "Le N.C.1071". Le Fana de l'Aviation (in French) (94): 28–29. ISSN 0757-4169.

Illustrations

Worked examples

Example 1 — a first encounter with SNCAC NC.1070

Start with the simplest possible case. Write down what SNCAC NC.1070 claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to SNCAC NC.1070 before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about SNCAC NC.1070 ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of SNCAC NC.1070

In research: SNCAC NC.1070 appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses SNCAC NC.1070 in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: SNCAC NC.1070 is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1940s French bomber aircraft, Aircraft first flown in 1947, Aircraft with retractable tricycle landing gear, so understanding it makes those chapters shorter.
In everyday life: Look for SNCAC NC.1070 outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “SNCAC NC.1070” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study SNCAC NC.1070 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what SNCAC NC.1070 means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain SNCAC NC.1070 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is SNCAC NC.1070 in simple terms?

Why does SNCAC NC.1070 matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study SNCAC NC.1070?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on SNCAC NC.1070.