MySimulator / Mechanical Heritage / 001

The Mariner

THE PHYSICS OF FINDING NORTH • c. 1900

DRAG TO ORBIT · SCROLL TO ZOOM · DOUBLE-CLICK TO RESET VIEW

SEED 197510 · 56K TRIS

Interactive engineering

A compass that
stays level at sea.

Roll and pitch the wooden mounting. Observe the two perpendicular gimbal hoops counter-rotate while the magnetic card seeks north through damped motion.

Vessel + magnetic field

Ship heading000°

0° NORTH180° SOUTH359°

Ship roll+0°

PORT −30°STARBOARD +30°

Ship pitch+0°

BOW DOWN −25°BOW UP +25°

Magnetic damping0.85

SLOW SETTLINGFAST SETTLING

Live instruments

CARD BEARING000°

LEVELLING ERROR0.0°

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Physics: an angular spring–damper seeks magnetic north; nested gimbal pivots counteract imposed hull tilt with finite response. Idealised educational mechanics—not a navigation-certified instrument.