AirCo DH.9

History

AirCo DH. 9 is another revision of DH. 4 Bombers - again led by the famous aeronautical engineer Jeffrey de Havilland. The new aircraft was designed by de Havilland and mass-produced by the aircraft manufacturing company known by the acronym "AirCo" or "Airco".

The aircraft first flew in July 1917 and entered service the same year. It had only a brief post-war career, retiring from notable service in 1920. Ultimately, 4,091 such examples were produced.

Department of Health. 9 shared some key design qualities of the previous DH. 4 Includes landing gear, tail and wings. Department of Health. 9 is different from DH. 4, because it placed the gunner and pilot closer for better communication between the two and was equipped with a more powerful engine.

The new airframe is also designed to simplify the plane and reduce engine stress. Preliminary tests showed that the base DH. 9 is too weak and not much of an upgrade for DH. 4 (which it intends to replace), the system was redesigned as DH. 9A. Department of Health.

The Type 9A attempted to address performance issues and defensive disadvantages by increasing the wingspan and equipping the pilot with a fixed forward-firing machine gun. A trainable machine gun was found in the tail gunner/observer's cockpit to protect the aircraft's key "six" position.

The DH is by no means a spectacular plane. The No. 9 had a rather poor record of service in World War I, with more losses due to mechanical and performance issues than actual enemy firepower. Notable downsides to this series are its limited service ceiling, fuel economy at altitudes over 10,000 feet, and general engine reliability.

If there is a character, that DH. When hunting down German U-boats, the 9 proved adequate, at least in coastal patrol duties - a role in which there is less chance of encountering enemy aircraft or ground fire. While generally inadequate in most respects, DH.

As the war progressed, 9 was of course more successful in weakly defended areas, namely in the Middle East theater of operations in Palestine and Macedonia.

Department of Health. After the war, the Series 9 gained some life in the civilian transportation market in many countries. Complete DH. 9 Extended to 1920 - American Made DH. 9 With the help of the Engineering Department, the aircraft was referred to as the "USD-9" (1,415 produced in the United States).

An American-made engine - a 400-horsepower Packard "Liberty" - was used to power this DH. 9A model.

Specification

Basic

Production

Roles

Dimensions

Weight

Performance

Performance

Armor

Changes