Word.ws English Dictionary

delta hinge

delta hinge noun: on rotorcraft, a hinge with its axis parallel to the rotor plane of rotation, which permits the rotor blades to flap.

delta hinge: on rotorcraft, a hinge with its axis parallel to the rotor plane of rotation, which permits the...
Image: Kiwima, CC BY-SA 4.0, via Wikimedia Commons

Noun

delta hinge (plural delta hinges)

  1. On rotorcraft, a hinge with its axis parallel to the rotor plane of rotation, which permits the rotor blades to flap.
    • This could be varied to produce a delta hinge effect for equalizing lateral moments.1954, Eugene K. Liberatore, Rotary Wing Aircraft Handbooks and History: Convertible aircraft, page 39
    • Overtorque of the delta hinge bolt is reported to cause binding in the pitch change mechanism and failure of the tail rotor pitch change bearing.1969, Federal Aviation Administration, General aviation inspection aids, page 22

Examples of delta hinge in a sentence

  • The Kiowa has a two-bladed semi-rigid seesaw all metal main rotor and a two-bladed rigid delta hinge all metal tail rotor.2003, Harold Skaarup, Ohio Warbird Survivors 2003: A Handbook on where to find them, →ISBN:
  • You can get the same effect by offsetting the pitch change horn at the root of the blade (notice that the tip of the horn is in line with the extended delta hinge line in the picture).2007, Phil Croucher, Professional Helicopter Pilot Studies, →ISBN:

Forms of delta hinge

pluraldelta hinges

Questions about delta hinge

What does delta hinge mean?
Delta hinge means on rotorcraft, a hinge with its axis parallel to the rotor plane of rotation, which permits the rotor blades to flap.
How do you use delta hinge in a sentence?
The Kiowa has a two-bladed semi-rigid seesaw all metal main rotor and a two-bladed rigid delta hinge all metal tail rotor.
What part of speech is delta hinge?
Delta hinge is a noun.
What is the plural of delta hinge?
The plural of delta hinge is delta hinges.

Words near delta hinge in the dictionary

  1. delta female
  2. delta females
  3. Delta Force
  4. delta glider
  5. delta gliders
  6. delta hinge
  7. delta hinges
  8. delta iron
  9. delta irons
  10. delta male
  11. delta males

Source and license

Adapted from Wiktionary: delta hinge (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “delta hinge.” Word.ws, https://word.ws/delta_hinge. Based on Wiktionary, CC BY-SA 4.0.