Handley Page Heyford

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Handley Page H.P.50 Heyford - version overview:


Mk. I and Mk. IA - 23
Mk. II - 16
MK. III - 70
Total built 125 units


The aircraft was a biplane, night bomber.
The first prototype flew in June 1930, and the type entered service in 1934.
Starting with the Mk.II version, the more powerful 650 hp Kestrel IV engine was used for propulsion.
The aircraft entered the armament of eleven RAF squadrons.
In September 1939 it was used by one more squadron. However, the type was withdrawn and served as a trainer until 1941.


Sources:
experts.about.com
www.handleypage.com
URL : https://www.valka.cz/Handley-Page-Heyford-t88152#192793 Version : 0
Vo version Heyford Mk.I bolo made 15 kusov serum numbers K3489 up To 3503 and the vo version of the Mk.IA 23 kusov serial numbers K4021 to K4043. Order on verziu Mk.Even bola specified in marci 1933 and posledné machinery orders boli delivered in November 1933. Prototype Heyfordu Mk.Even with the designation of H.P.38 sera. no J9130 vzlietol the first time on letisku Radlett 12.06.1930 and 08.06.1932 on the basic North Coates Fitties zhorel after náraze to protivetrového valu pri pristátí.
Verzia Heyford Mk.II (sera. no K4863 to K4878) used engines Rolls-Royce Kestrel VI (470 kW / 640 HP), ich performance bol but reduced to 423 kW / 575 HP.
Verzia Heyford Mk.III was ordered in the júli 1935 (20 kusov), and even in tom istom lete bola plus another 50 kusov. The last machine Mk.III was supplied to the RAF in the júli 1936.

Source:
Balous, Miroslav: Handley Page H.P.38 and H.P.50 Heyford I - III, Aviation and aerospace 2013 / 03, 2013 / 04.
URL : https://www.valka.cz/Handley-Page-Heyford-t88152#491746 Version : 0
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