Kamov Ka-25 - Naval Helicopter for Soviet Navy

Support / Поддержка: Donationalerts - Paypal - Teespring Store - Webmoney USD - Z789416365352 Webmoney EUR - E518067593070 Webmoney RU - R788497986526 The Kamov Ka-25 (NATO reporting name ’Hormone’) was a naval helicopter, developed for the Soviet Navy in the USSR from 1958. Definitive prototypes of the Ka-25 incorporated mission equipment and corrosion protection for the structure. The rotor system introduced aluminium alloy blades pressurised with nitrogen for crack detection, lubricated hinges, hydraulic powered controls, alcohol de-icing and automatic blade folding. Power was supplied by two free-turbine engines sat atop the cabin, with electrically de-iced inlets, plain lateral exhausts with no Infra-Red countermeasures, driving the main gearbox directly and a cooling fan for the gearbox and hydraulic oil coolers aft of the main gearbox. Construction was of