Grasshopper escapement — Grasshopper-escapement colored.gif
Grasshopper-escapement colored.gif — Grasshopper-escapement-005.gif: en:User:Bariton-pop, upload by Roland zh on 14. September 2008 derivative work: Jahobr ( · CC BY-SA 3.0 · source

Escapement

Grasshopper escapement

How it works

Hinged pallets 'kick' away from the escape wheel, eliminating sliding friction.

Why it was invented

Designed to run without lubrication in Harrison's wooden clocks.

Experiment in the Simulation Lab →