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Bomber Mirage IV     
Developer: Dassault (France) 
Operator:  France 

The first prototype flew on June 17, 1959. More than 60 aircraft were built.

Data for Mirage IVA

Crew: 2, engine: 2 x SNECMA Atar 9K, 68.6kN, wingspan: 11.85m, length: 23.49m, height: 5.4m, wing area: 78.0m2, start mass: 33475kg, empty mass: 14500kg, max speed: 2340kph, cruise speed: 1966kph, ceiling: 20000m, range w/max.fuel: 4000km, range w/max.payload: 2480km, armament: 1 x 60kt nuclear bomb or 7260kg of weapons

France)

Similar in layout to the Mirage III, but much larger and twin- engined. The Mirage IV is a medium-range nuclear bomber, originally with an AN22 free-fall bomb. It was updated in the 1980s to carry the air-breathing ASMP nuclear missile. This somewhat compensates for its short combat range of only 1240km. 63 built. The last bomber models were retired in 1996.

Type: Mirage IVA

Function: bomber

Year: 1963 Crew: 2 Engines: 2 * 7000kg SNECMA Atar 9K

Wing Span: 11.85m Length: 23.49m Height: 5.40m Wing Area: 78m2

Empty Weight: 14500kg Max.Weight: 33475kg

Speed: 2340km/h Ceiling: 20000m Range: 4000km

Armament: 7260kg* In the mid-1950s, the French decided to develop a nuclear deterrent force, which led to a need for a strategic bomber. As a interim measure, they simply built a scaled-up version of the Mirage III fighter, known as the "Mirage IV", with the expectation that it would be soon replaced by a more capable aircraft.

It is said that there is nothing so permanent as a temporary solution, and the Mirage IV was still flying in combat at the end of the century, if admittedly in small numbers and as a spy plane, not a bomber. This document provides a short history of the Mirage IV.

MIRAGE IV BOMBER

* The decision to acquire a nuclear strike capability would lead the French to eventually develop land-based and submarine-based missiles, and a strategic bomber, the Mirage IV, with work on the aircraft begun in 1957. Dassault met the French government requirement for a strategic bomber by scaling up the Mirage III 50% in linear dimensions, doubling weight and wing area.

The prototype Mirage IV first flew in June 1959, and was fitted with twin Atar 09C engines. The second prototype flew in October 1961, after the French had detonated their first nuclear weapon in February 1960, and was closer to production spec, with a shorter vertical tailplane. There were two more prototypes, the last of which used the production-spec Atar 09K engine, with 4,700 kilograms (10,400 pounds) dry thrust and 6,700 kilograms (14,800 pounds) afterburning thrust.

A total of 62 Mirage IVs were built between December 1963 and November 1966. Except for the twin engines, the general configuration of the aircraft strongly resembled that of the Mirage III. Less noticeable differences were the tandem cockpit for pilot and navigator, and main gear bogeys with four tires each. The nose gear had two tires.

The Mirage IV's wing had the 60 degree sweep of the Mirage III, but featured a thinner chord of 3.8% at the root. This relatively thinner wing was permitted by the aircraft's greater size and was better suited for supersonic flight. The wing contained fuel tanks, as did the tailfin. Since delta wings demand a lot of runway to for takeoff, a loaded Mirage IV was fitted with rocket-assisted take-off (RATO) boosters, four attached at the rear of each wing. The RATO boosters were discarded after take-off.

DASSAULT MIRAGE IV:

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spec metric english

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wingspan 11.85 meters 38 feet 10.5 inches

length 23.50 meters 77 feet 1.2 inches

height 5.65 meters 18 feet 6.4 inches

empty weight 14,500 kilograms 32,000 pounds

max loaded weight 31,600 kilograms 70,000 pounds

maximum speed 2,335 KPH 1,450 MPH / 1,260 KT

service ceiling 20,000 meters 65,600 feet

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