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Kamov Ka 25 (NATO reporting name: Hormone) walkaround

15 July 2015

55° 50′ 00″ N / 38° 11′ 03″ E

Kamov Ka 25 (NATO reporting name

Kamov Ka 25 (NATO reporting name “Hormone”) — copyright and photo by Макс Климов (Max Klimov)

The Kamov Ka 25 (NATO reporting name: Hormone) is a niche design well suited to its purpose of fitting aboard small warships to serve in ASW assignments. Its small, four -pointed footprint requires minimal volume for its size, especially lacking any appreciable tail boom. Contra-rotating rotor disks negate the need for a tail rotor though add their own requirements. The twin engines power a transmission which powers both rotor disks so both keep turning should an engine fail. Should both engines fail then some differential lift is mechanically possible to afford directional control under autorotation. The outer tail fins are canted inward for directional stability under autorotation, as well as rudders for yaw control. The rotor blades are nitrogen gas filled (for crack detection) aluminum construction.

Kamov Ka 25 (NATO reporting name

Kamov Ka 25 (NATO reporting name “Hormone”) — copyright and photo by Макс Климов (Max Klimov)

Kamov Ka 25 (NATO reporting name

Kamov Ka 25 (NATO reporting name “Hormone”) — copyright and photo by Макс Климов (Max Klimov)

Kamov Ka 25 (NATO reporting name

Kamov Ka 25 (NATO reporting name “Hormone”) — copyright and photo by Макс Климов (Max Klimov)

Kamov Ka 25 (NATO reporting name

Kamov Ka 25 (NATO reporting name “Hormone”) — copyright and photo by Макс Климов (Max Klimov)

Kamov Ka 25 (NATO reporting name

Kamov Ka 25 (NATO reporting name “Hormone”) — copyright and photo by Макс Климов (Max Klimov)

Kamov Ka 25 (NATO reporting name

Kamov Ka 25 (NATO reporting name “Hormone”) note the aft sliding port side entry hatch — copyright and photo by Макс Климов (Max Klimov)

Kamov Ka 25 (NATO reporting name

Kamov Ka 25 (NATO reporting name “Hormone”) observe the inward canted outer fins with rudders — copyright and photo by Макс Климов (Max Klimov)

Kamov Ka 25 (NATO reporting name

Kamov Ka 25 (NATO reporting name “Hormone”) port side outer fin in detail — copyright and photo by Макс Климов (Max Klimov)

Our thanks to contributor Макс Климов (Max Klimov) for capturing as well as sharing these images of a Kamov Ka 25 in the Central Armed Forces Museum (Museum of the Soviet Army) in Moscow.

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2 Comments leave one →
  1. 16 July 2015 15:24

    I’m embarrassed to say it, but I thought it…so what the heck….has anyone else used the word, goiter? shame on me.

    • travelforaircraft permalink*
      17 July 2015 08:05

      I had thoughts of a bullfrog or a toad.

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