Construct · 1 fields · 1 citations

broach: a standalone construct

One name. One construct. A landmark on the map.

● anchor · a standalone construct Nearest construct by meaning·not indexed
broach1 CONSTRUCTBroaching-toLARSSON · FOLLOWING SEA

A single standalone construct; nearby constructs are located against it in the Collider. Tap a field for its definition, unit, and measures.

Seamanship

A boat slewing out of control beam-on to the sea

In sailing a broach, or broaching-to, is a sudden loss of steering control in which the boat slews violently so that it turns broadside to the wind and waves, heeling hard over and sometimes rounding up uncontrollably. It most often happens when running fast before a following sea, where a wave accelerates the stern, the rudder loses grip, and directional stability fails; it is a classic capsize and knockdown risk. Larsson and Eliasson's Principles of yacht design treats broaching under directional stability and behaviour in waves. The referent is a dynamic loss-of-control event of a vessel, which shares only its spelling with a metal-cutting process.[1]

Unit
The uncontrolled turn of a vessel toward beam-on in a following sea
Recovery means
The boat is recovered by easing sheets, reducing sail, and steering to keep the stern to the seas before control is lost
Measured by
Studied through directional stability, surf-riding thresholds, and the yaw and heel built up in following waves

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Nearby constructs

control4 fields · 5 citationsjingle · one word, four constructsevent3 fields · 5 citationsjingle · one word, three constructsgrip2 fields · 3 citationsjingle · one word, two constructs

References

  1. Larsson, L., & Eliasson, R. E. (2007). Principles of yacht design (3rd ed.). International Marine/McGraw-Hill. ISBN 9780071487696

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