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Transom (nautical)

Flat part of a boat's squared stern

A transom is the aft transverse surface of the hull of some boats and ships forming its stern. Adding both strength and width to the stern, a transom may be flat or curved, and vertical, raked aft (known as an overhung or "counter" stern), or raked forward (and "reversed", also known as retroussé). In small boats and yachts, a flat termination of the stern is typically above the waterline, but large commercial vessels often exhibit vertical transoms that dip slightly beneath the water.

On smaller boats such as dinghies, transoms may be used to support a rudder, outboard motor, or other accessory. On some yachts the transom may include a hinged swim platform, and a lazarette for deck items and leisure toys.

Etymology

The term was used as far back as Middle English in the 1300s, having come from Latin transversus (transverse) via Old French traversain (set crosswise).

History

Design

Traditional timber construction with horizontal transom members in pale yellow-green (6) and turquoise (7)

Gallery

File:Sea Scooter transom.jpg|Flat transom on a dinghy with rudder mounting points File:The Bermuda cedar (Juniperus bermudiana) transom of Spirit of Bermuda, 2016.jpg|The transom of the Spirit of Bermuda, made of Bermuda cedar File:Coble on shore at Boulmer (2) - geograph.org.uk - 1381157.jpg|Raked transom with rudder mounting points File:CS 30 Sailboat Kelsea 0297.jpg|Reverse transom with rudder mounted under the hull Image:Merc 50 hp.jpg|Transom-mounted outboard motor File:Irwin 44.jpg|An Irwin 44 sloop with a fold-down reverse transom Image:Offshore Racing Sailboat.jpg|Reverse transom with integral access platform

References

(19 September 2009). "Stern Styles and Transom Types – Sugar Scoop, Reverse, Wineglass, Heartshaped, Canoe, Double Ended, Ducktail".
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(2020-04-30). "Transom Saver, Outboard Motor Support – Are They Needed?".
2007 Collins dictionary

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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