In 2006 the manufacture introduced a new escapement that functioned
at a less frenetic 21,600 vph, but even at that time tests had shown
that the AP escapement was effective at running perfectly at 43,200 vph
or 6 hertz-even without lubrication of the pallet stones, which would
quickly dissipate at that speed anyway. The omission of lubricant solves
a difficulty which has plagued watchmakers as long as mechanical
timepieces have been around: gumming or hardening within the oil.
This fresh escapement is dependant an invention by Parisian royal
clockmaker Robert Robin (1742-1799). He launched a new system in 1791
that combined the virtues of the well-known escapements throughout,
so-called free-sprung escapement and one including energy transfer via
pallet fork and guard pin included in the precursor to the modern Swiss
lever escapement as created by Thosmas Mudge in 1759.
Audemars Piguet has succeeded in securing the important things about
both systems in its new high-frequency escapement, solving the oil
problem and introducing a brand new and important component to the game:
rate precision. mehr sehen uhren schweizer und Tag Heuer Link
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