Vertipedia is a product of the Vertical Flight Society. With data on 863 aircraft, 620 historical milestones, 501 people, and 395 organizations, Vertipedia is your "one-stop shop" for all things vertical lift.

1966 - 'First flight' of the Harbin Z-5 with all metal blade rotor

2018 - First in-flight test of a ballistic parachute for a helicopter (Curti Zefhir)

Our latest featured aircraft for June is the Cierva W.11 Air Horse .

Attribution

The aircraft was designed to provide viable heavy load lifting capability for commercial operations. It employed 3 main rotors all rotating in the same direction. Torque offset was provided by thrust components from the 3 rotors through built-in shaft tilt. The aircraft had a semi-monoquoque structure, a single engine, and a long-stroke undercarriage (5ft) to cope with high rates of descent.  A description of the aircraft and its characteristics can be found in the following references,

Source: "The Cierva W-11 Air Horse", J. Gordon Leishman, VERTIFLITE Spring 2003, Page 52

Source: "Discussing the Helicopter", FLIGHT Staff, FLIGHT, December 2nd 1948, Pages 665-668

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Vertipedia notes are brief descriptions of how and why Vertipedia works the way it does. Check back often for the latest note, or view the complete list.

Adding and editing data and information

Data and information can be added or edited in Vertipedia using the contributor functions on the desktop version only. A user can become a contributor on request to the VFS (Betty Chen or Randy Johnson). These functions require no special training. A User Guide is available from VFS on request. Existing data modules (e.g. configuration, main rotor, tail rotor, etc. can be re-used to minimize the data entry burden when creating a new aircraft. Aircraft can also be replicated where similar.

Vertipedia makes it easy for you to find a range of information on vertical flight, including:

  • Targeted searches of documents provided by the Vertical Flight Society, as well as public sources from across the internet
  • Important milestones that have helped shape the history of vertical flight
  • People who have played a role in vertical flight
  • Vertical flight aircraft, such as helicopters, tilt rotors and tilt wings, jet-lift VTOL, and more.

Select a module below to get started!