Savoia Marchetti SM.85

Savoia · Marchetti SM.85 Is a rapid drop of twin in the company developed previously. It was the first domestic production bomber in the Italian Air Force, but the flight performance was poor and there were problems with the airframe structure, so the number of production machines ended in a small number.

Overview

Based on the specifications of the sudden bomber from the Italian Air Force in 1936, the aircraft developed by Savoia Marchetti was SM.85.

SM.85 is a single seat, single leaf, twin wooden (part made of metal), the engine is 500 hp pea gi P.7 RC35 was carried. The dive brake is also used as a flap, and was designed to open at right angles to the main wing at the time of a sudden descent. The bombs were basically stored in a bomb warehouse in the fuselage and could be loaded up to 800 kg. The pilot seat was located at the tip of the nose to secure the view of the occupant, but because of this the pilot seat was at a considerably high position from the ground, the pilot walked on the back of the aircraft when boarding I crawled) I had to open the window at the top of the cockpit and get in. In addition, a large observation window was also provided on the lower surface of the fuselage to secure visibility.

The prototype first flew in December, but the result of the test was not good. Because the engine was not powerful, the speed performance and the athletic performance were inferior compared with those of other countries at the time. Especially the motor performance was poor, and it was fatal as a sudden bomber such as the aircraft's induction after the steepest descent did not go smoothly. Also, the structure of the aircraft was also weak, and the leg structure was too weak with live bombs and could not land. However, the Italian Air Force, which required the number of sudden bombers due to the outbreak of World War II, decided to move the machine to production for the time being, and 32 aircraft (two other prototypes were produced) In 1940 the unit was deployed.

However, due to the climate of the Mediterranean coast, each part of the fuselage was rapidly deteriorated and the aircraft deployed to units became unable to fly one after another. After all, all the aircraft became unusable in less than a month since being deployed. After that, the sudden bomber was to use the German, and the aircraft, which became unable to fly, was used as the ground fixation target of the base.

SM.86, an improved version of SM.85, was also prototyped in 1940, but the flight performance remained poor, so development was stopped just by prototyping two.

spec

• Total length: 10.41 m
• Full width: 14.00 m
• Total Height: 3.33 m
• Overall weight: 4,190 kg
• Engine: Piaggio P 7 RC 35 Air-cooled 9 cylinder 500 hp
• Maximum speed: 368 km / h
• Practical upper limit altitude: 6,500 m
• Range: 830 km Armed
• Bomb 800 kg
• 12.7 mm machine gun × 2
• 1 crew member

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Post Date : 2018-03-03 15:30

This article is taken from the Japanese Wikipedia Savoia Marchetti SM.85

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