__NOTOC__ The Weiss WM-10 Ölyv ( English: "

Buzzard Buzzard is the common name of several species of birds of prey. ''Buteo'' species * Archer's buzzard (''Buteo archeri'') * Augur buzzard (''Buteo augur'') * Broad-winged hawk (''Buteo platypterus'') * Common buzzard (''Buteo buteo'') * Easte ...

") was a 1930s Hungarian biplane trainer designed and built by the Manfred Weiss company.

Development

First flown in September 1931 the WM-10 was a single-bay two-seat primary training biplane powered by the companies own MW Sport I engine.Orbis 1995, page 3079 The prototype was later modified to take the more powerful MW Sport II engine and an improved landing gear and eight were built as the WM-10a and delivered in 1933. The last aircraft was re-engined with a MW Sport III engine and larger fuel tanks and re-designated the WM-13 . Five more aircraft were built with

Siemens-Halske Sh 12 The Siemens-Halske Sh 12 was a nine-cylinder, air-cooled, radial engine for aircraft built in Germany in the 1920s. First run in 1925, it was rated at 80 kW (110 hp). The Sh 12 was also produced in the United States by Ryan Aeronautic ...

engines as aerobatic trainers for use by combat units as the EM-10. In 1938 all surviving aircraft we re-engined with the Siemens engine and all were known as the WM-10. Three aircraft survived with the military to 1941 when they were retired to be used as glider tugs.

Variants

;WM-10 :Prototype with a MW Sport I engine, one built. ;WM-10a :Production aircraft with a MW Sport II engine, eight built. One converted to WM-13 and survivors later re-engined with a

engines. ;WM-13 :One WM-10a re-engined with a MW Sport III engine. ;EM-10 :Powered by an

engined aerobatic trainer, five built.

Operators

; *

Hungarian Air Force The Hungarian Air Force (, ), is the air force branch of the Hungarian Defence Forces. The primary focus of the present Hungarian Air Force lies in defensive operations. The flying units operate are organised into a single command; under the A ...

Specifications (WM-10a)

Notes

References