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
problems which has plagued watchmakers for as long as mechanical
timepieces have been common: gumming or hardening of your oil.
This fresh escapement will depend on an invention by Parisian royal
clockmaker Robert Robin (1742-1799). He launched a new system in 1791
that combined the virtues present in well-known escapements throughout
the day, so-called free-sprung escapement and one including energy
transfer via pallet fork and guard pin within the precursor into the
modern Swiss lever escapement as designed by Thosmas Mudge in 1759.
Audemars Piguet has succeeded in securing the benefits of both
systems in its new high-frequency escapement, solving the oil problem
and introducing the latest and important aspect of the experience: rate
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