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mechanical grasshopper escapement
Information for those working on mechanical devices.
The grasshopper escapement is an unusual, low-friction escapement for pendulum clocks
invented by British clockmaker John Harrison around 1722. An escapement, a
part of every mechanical clock, is the mechanism that releases the clock's gears
to move forward by a fixed amount at each swing of the pendulum.
YouTube - The Corpus Clock & Chronophage - Hi-Res
The grasshopper escapement is an unusual, low-friction escapement for pendulum clocks
invented by British clockmaker John Harrison around 1722. An escapement, a
part of every mechanical clock, is the mechanism that releases the clock's gears
to move forward by a fixed amount at each swing of the pendulum.
YouTube - The Corpus Clock & Chronophage - Hi-Res