What does rivet gauge, or transverse pitch, measure?

The rivet gauge, also known as transverse pitch, specifically measures the distance between the centers of rivets in adjacent rows. This measurement is crucial in aircraft construction and maintenance, as it ensures proper spacing and structural integrity of the riveted joints. When rivets are not spaced correctly, it can affect the overall strength and performance of the assembly.

In aircraft construction, the careful placement of rivets helps distribute loads evenly, preventing localized stress concentrations that could lead to failure. By measuring the transverse pitch, engineers and technicians ensure that the rivets are aligned properly and that the assembly meets the necessary specifications for safety and performance.

The focus of this measurement is on the relationship between rows of rivets rather than within a single row or on rivet heads. Understanding how adjacent rows relate to each other is fundamental in aircraft design and repair to maintain structural stability.