A woodpecker hammer

J F V Vincent, M N Sahinkaya, W O'Shea

Research output: Contribution to journalArticlepeer-review

23 Citations (SciVal)


Woodpecker can be modelled as a low-inertia hammer. It uses the angular momentum of its body, generated by contraction of its leg muscles, to accelerate its head towards the tree, which it is pecking. It appears to peck at a resonant frequency.
Original languageEnglish
Pages (from-to)1141-1147
Number of pages7
JournalProceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
Issue number10
Publication statusPublished - 2007


  • Computer simulation
  • Contacts (fluid mechanics)
  • Hammers
  • Angular momentum
  • Dynamics


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