Английская Википедия:IMAM Ro.37
Шаблон:Short description Шаблон:More citations needed
The Meridionali Ro.37 Lince (Italian: "Lynx") was a two-seater Italian reconnaissance biplane, a product of the Industrie Meccaniche Aeronautiche Meridionali (IMAM) company. It appeared in 1934 and had a composite structure of wood and metal.[1] The aeroplane first saw operational duty in the Second Italo-Ethiopian War (1935–1936) and Spanish Civil War (1936–1939), and during the Second World War it saw duty on almost all fronts, except for Russia and the English Channel.[1] It followed the Ro.1 as the main reconnaissance aircraft for the Italian Army.
Design and development
A contest was held by the Regia Aeronautica for a light reconnaissance aircraft and a heavier aeroplane. The first was to have had 350 km/h (190 knots/220 mph) maximum speed, five hours endurance, three machine guns and a bomblets dispenser, armour, and the capability to operate from improvised airfields. The heavier aircraft was to have had Шаблон:Cvt maximum speed, at least Шаблон:Cvt endurance, Шаблон:Cvt ceiling, climb to Шаблон:Cvt in 19 minutes, three crew, five weapons, a high wing and other details.
Limited production of the IMAM Ro.30, an improved Ro.1 with a defensive turret and better engine, resulted. It was rejected by the Regio Esercito and not chosen for production, being capable only of Шаблон:Cvt, five hours' endurance, climb to Шаблон:Cvt in 20 minutes, and having three weapons.
IMAM did not give up after the modest success of the Ro.30 and so designed a new aircraft, the Ro.37, which first flew in 1933.
This was a biplane of mixed construction, with two seats, and a Шаблон:Cvt Fiat A.30 R.A. V-12 engine. It reached Шаблон:Cvt and perhaps even more with this engine, the same as that of the Fiat CR.32. The Ro.37 had a Шаблон:Cvt ceiling, Шаблон:Cvt climb in 11 minutes, over Шаблон:Convert range, carrying three machine guns (two in the nose and one dorsal), twelve Шаблон:Cvt bombs, and good agility. It was similar to the Hawker Hind, rather than a light army aircraft, and its performance was similar to the later Westland Lysander and the contemporary Hawker Hector.
The Ro.37 was later fitted with the Шаблон:Cvt Piaggio Stella P.IX R.C.40 radial engine. The better reliability of this engine was considered more desirable and so this was the main version produced.
Ro.45
The last of the classic biplanes made by IMAM was an enhanced Ro.37. The sole Ro.45 was first flown on 10 December 1935, but did not enter production.
Operational service
The Ro. 37 served as standard equipment in observation units for many years. However, during WWII, and particularly on the African front, the aeroplane was used in other roles, including tactical support and fighter duty.[1] 103 Squadron was equipped in mid-1935 and swiftly employed in Ethiopia during the Second Italo-Ethiopian War. In December 1935 this unit was sent to Italian Somaliland, and eventually another four squadrons went to this theatre: 105, 108, 109, and 110 Squadrons, for a total of ten Ro.37 and 41 Ro.37Bis. With the end of operations, 110 Squadron remained in the theatre, deployed in counterinsurgency tasks and serving as reinforcement for isolated garrisons.
In the meantime, the Ro.37 also served in the Spanish Civil War, with the first ten arriving in late 1936. Another 26 (possibly 58) went to this theatre and were used for many missions and tasks. They were used as assault aircraft, even though they were unarmoured. The results were satisfactory and some were even converted to a single-seat machine for use as attack fighters. The two-seat versions were used as heavy fighters, providing protection for S.81 bombers from Republican I-15s. It is not known if there were any air-to-air victories.
The Ro.37 was generally liked by pilots, and the only complaint was that aircraft was prone to damage to the undercarriage, and had some engine faults.
The aircraft was produced until 1939 with a total of 569 (237 + 332bis) produced, and as late as 1940 there were provisions to have 17 Squadron equipped with this machine. In fact, the Ro.37 continued to be used as reconnaissance aircraft for years, since its replacement, the Caproni Ca.311, proved unsatisfactory.
Ro.37s were also quite widely exported (ten to Uruguay, 16 to Afghanistan, 14 to Hungary, eight to Austria, and one to Ecuador) and about 280 were in service in 1940, in thirty squadrons consisting of 215 aircraft.
Some were in service up to 1943 and perhaps even later. They were very vulnerable, but in World War II Italy did not have sufficient resources to produce a better observation aircraft, not even the IMAM Ro.63, a superior aircraft, similar to the Fieseler Fi 156 Storch, but with more endurance.
Variants
- Ro.37
- Reconnaissance biplane, powered by a Шаблон:Cvt Fiat A.30 R.A. V-12.
- Ro 37bis
- Improved version, powered by Piaggio P.IX R.C.40 or Piaggio P.X R. radial engines.
- IMAM Ro.43
- reconnaissance floatplane for the Regia Marina .
- Ro.44
- single-seat fighter floatplane for the Regia Marina .
- Ro 45
- A revised Ro.37, powered by a Шаблон:Cvt Isotta-Fraschini Asso XI R.C.40 engine. Maximum speed was boosted to Шаблон:Cvt, ceiling to Шаблон:Cvt and range to Шаблон:Cvt. Designed for long-range reconnaissance and light bombing, the single prototype was Шаблон:Cvt long, with a Шаблон:Cvt span and first flew on 10 December 1935.
Operators
- Regia Aeronautica
- Aviazione Legionaria 36 aircraft
Specifications (Ro.37bis P.IX engine)
| Engine | Length | Weight empty/max |
Speed | Climb to 4000 m | Ceiling | Range |
|---|---|---|---|---|---|---|
| Fiat A.30 R.A. | Шаблон:Cvt | Шаблон:Cvt / Шаблон:Cvt | Шаблон:Cvt | 9 min 5 sec | Шаблон:Cvt | Шаблон:Cvt |
| Piaggio P.IX R.C.40 | Шаблон:Cvt | Шаблон:Cvt / Шаблон:Cvt | Шаблон:Cvt | 9 min 30 sec | Шаблон:Cvt | Шаблон:Cvt |
| Piaggio P.X R. | Шаблон:Cvt | Шаблон:Cvt / Шаблон:Cvt | Шаблон:Cvt | 9 min 30 sec | Шаблон:Cvt | Шаблон:Cvt |
See also
Notes
Bibliography
- Angelucci, Enzo and Paolo Matricardi. World Aircraft: World War II, Volume I (Sampson Low Guides). Maidenhead, UK: Sampson Low, 1978. Шаблон:ISBN.
- Шаблон:In lang Bignozzi, Giorgio. Aerei d'Italia. Milano, Edizioni E.C.A 2000
- Шаблон:Cite journal
- Шаблон:Cite journal
- Шаблон:Cite journal
- Cull, Brian with Frederick Galea. 249 at Malta: Malta top-scoring Fighter Squadron 1941–1943. Malta, Wise Owl Publications, 2004. Шаблон:ISBN
- Шаблон:In lang De Marchi, Italo – Tonizzo, Pietro. CANT. Z. 506 "airone"- CANT. Z. 1007 "alcione" . Modena, Mucchi Editorr, 1997. NO ISBN.
- Шаблон:Cite journal
- Green, William. War Planes of the Second World War: Volume Six – Floatplanes. London:Macdonald, 1962.
- Шаблон:In lang Gunston, Bill. Gli aerei della seconda guerra mondiale. Milano, Alberto Peruzzo Editore, 1984
- Gunston, Bill (2001), The Illustrated Directory of Fighting Aircraft of World War II, Salamander, Шаблон:ISBN
- Marcon, Tullio L'aviazione per il regio esercito Storia Militare magazine July 1995. Шаблон:In lang
- Mondey, David (1984), The Concise Guide to Axis Aircraft of World War II, Chancellor Press, Шаблон:ISBN
- Mondey, David. The Hamlyn Concise Guide to Axis Aircraft of World War II. London: Bounty Books, 2006. Шаблон:ISBN.
- The Illustrated Encyclopedia of Aircraft (Part Work 1982–1985), 1985, Orbis Publishing
- Шаблон:Cite journal
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