this is the RM04a clock
this model has some improvements over previous versions, most importantly a 3nd generation escapement with splat gears, which allow for a higher number of teeth
it has all the 6 parts of a real clock:
a) structure: two walls (bridges) parallel Technic Connector Beam 3 x 3 (new)
b) power source: pullback motor (spiral spring)
b.1) winding: overpass freewheel, 4 pin-ratchet, crankshaft type (new)
c) wheel train: 2 arbors, 20/60=1:3, 8/40=1:5
total=1:15
d) dial: one hand, with motion work 8:1 (new)
e) escapement: lego standard escapement - LSP - 3º generation, bi-directional (new)
e.1) escape wheel: opposed double, splat gears, 14+14=28 teeth, drop=12,85º, caliber: 1L
e.2) anchor: bar with towball (later upgraded to bar 2L with stop in center) & bar hilt - 180º, 5L
e.3) pallets: embedded
f) oscillator:
f.1) pendulum ~30 minutes
