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Exploring a Unique Split in a Helicopter Instrument Meter

In an intriguing discovery, a technician or hobbyist has come across a fascinating issue involving a vintage helicopter instrument, specifically a meter labeled SX 28. This component appears to have experienced a rare and unusual form of physical damage, prompting a closer examination.

The Original Observation

The individual begins by noting the split in the meter's casing, which seems to have resulted in part of the instrument detaching from its mount. The meter itself is housed within a brass casing, and it appears that over time, the casing has split apart along a specific line, causing the internal mechanism to become loose.