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Aeroplane Model - CAC Mustang Object Reg. No: ST 023608

Summary:
Aicraft History

The Mustang was built as a private venture by the US manufacturer North American Aviation. Company designers Raymond Rice and Edgar Schmued produced the design concept for the NA-73 in response to a 1940 British Purchasing Commission suggestion that the company build the Curtiss P-40 for Britain. From design to prototype took just 102 days with the first flight occurring on 26 October 1940. It was a measure of either confidence or desperation that a British order for 320 NA-73 aircraft had already been placed on 26 May 1940. The British named the aircraft the Mustang I with the first being delivered in late 1941 and used operationally for the first time in July 1942.

The United States Army Air Force evaluated the aircraft which they called the P-51 & P-51A and placed an order for 460 aircraft. Despite good speed at low level for ground attack, the aircraft was handicapped by its General Motors Allison V-1710 engine which did not provide the power required for higher altitude air combat roles and failed to fully exploit the Mustang's highly efficient 'laminar flow' wing The substitution of the Rolls-Royce Merlin in Britain proved to be the answer and the resulting P-51B & P-51C (Mustang II & III) quickly established their role as long-range escort fighters with the USAAF daylight strategic bombing campaign over Germany. The 1944 P-51D (Mustang IV) was radically redesigned with a new fuselage and 'bubble hood' giving excellent visibility for the pilot. Armament was increased from four to six .50 calibre machine guns.

In April 1943, the Mustang was selected by Lawrence Wackett for production by the Commonwealth Aircraft Corporation at Port Melbourne. A P-51D was delivered in 1944 for use as a pattern aircraft. Tooling was received from North American. The CAC CA-17 Mustang Mk. 20 first flew in May 1945 although the number required was cut back due to the end of the war with Japan in August 1945. Eventually CAC produced 200 Mustangs by 1951 with the designations CA-17 and CA-18. These used different Merlin engine models, some being equipped with cameras. In addition there were 298 US-built Mustangs delivered to the RAAF in 1945 but these did not see combat before the end of the war. Many of these were flown to Japan as part of Australia's contribution to the British Commonwealth Occupation Force (BCOF). In Italy, 3 Squadron RAAF had received RAF Mustangs in 1944 and flew them in combat until May 1945.

The last RAAF BCOF Mustang unit in Japan, 77 Squadron was about to return home when the Korean War broke out in June 1950. The Squadron was immediately deployed to Korea and bore the brunt of early fighting before being re-equipped with the Gloster Meteor jet in 1951. The Mustang remained in use with RAAF Citizen Air Force units until the late 1950s. Some surplus Mustangs were used as targets during the nuclear tests at Maralinga. In recent years the Mustang has enjoyed popularity as an airshow performer and a large number are flying or under restoration around the world.

Model History

This 1:30 scale model of a CAC Mustang was donated to the Museum in 1954 by the Commonwealth Aircraft Corporation, along with several other models representing the company's aircraft production. It is finished in a standard post-war silver scheme with rondels and fin flash with a black anti-glare panel painted on the top of the engine cowling. The Museum acquired the model from the Commonwealth Aircraft Corporation in 1954 at the conclusion of the 'Jubilee of Flight' exhibition at the former Science Museum of Victoria in 1953-54. It had been loaned to the Museum for the exhibition but was then donated by CAC Manager Sir Lawrence Wackett. It is apparently a factory model used for promotional or display purposes. It is painted to represent A68-63 a CA-17 Mark 20 Mustang built in 1946 and operated by No. 22 Squadron RAAF between 1947 and 1953.
Acquisition Information:
Donation from Commonwealth Aircraft Corporation, 1954
Discipline: Technology

More information

Tagged with: aeroplanes, fighters, military aircraft, model aeroplanes, scale models, wars conflicts
Themes this item is part of: Commonwealth Aircraft Corporation (CAC) Winjeel, Mitsubishi Zero, Engineering Collection, Public Life & Institutions Collection, Transport Collection, Commonwealth Aircraft Corporation (CAC) CA-6 Wackett Trainer, North American Aviation / Commonwealth Aircraft Corporation (CAC) Mustang Fighter, Commonwealth Aircraft Corporation (CAC) Wirraway
Primary Classification: AIR TRANSPORT
Secondary Classification: Aircraft
Tertiary Classification: model propeller aircraft - military
Model Scale: 1:30
Manufacturer of Item Modelled: Commonwealth Aircraft Corporation, Melbourne, Victoria, Australia, 1945-1950

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