hound

A hound is a heavy timber or metal bracket bolted to the side of a mast near its head, projecting outward to support the trestletrees and the top (the platform structure at the masthead). On square-rigged vessels, you will find hounds on both the main mast and foremast, sometimes as paired projections on each side. They are essential for distributing the weight and stress of the standing rigging, topmast, and the crew who work on the platform above.

The hound performs a critical structural job: it transfers lateral loads from the topmast, cross-trees, and rigging down into the main mast. Without hounds, the concentrated point loads at the masthead would create dangerous bending moments. The hounds spread these forces over a wider section of the mast, preventing the spar from failing in compression or shear. On larger vessels, hounds may be laminated wood constructions reinforced with iron bands, or cast iron fittings depending on the ship's age and design.

Hound variants and materials

Early hounds were carved from solid timber as extensions of the mast itself or built up from planks and bolted on. By the nineteenth century, iron hounds became standard on larger wooden ships and steamships. A typical hound extends 18 to 36 inches from the mast, with the exact projection depending on the vessel's size and rig. The top surface must be flat and level to properly seat the trestletrees, which in turn support the cross-trees and the topmast heel.

The term hound derives from the Old Norse word for a support or prop, and reflects its function as something that "holds up" the structure above. In older texts you may also see it called a "hound's ear" when referring to the projecting flanges of a cast iron hound. Poor maintenance of hounds leads to rot in wooden examples or corrosion in iron ones, both of which compromise the integrity of the entire masthead assembly and can force expensive re-rigging or mast replacement.