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Raking fire
Raking fire
Raking fire
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Painting of the British East Indiaman Bridgewater (right) raking the American privateer Hampden (left)

In naval warfare during the Age of Sail, raking fire was cannon fire directed parallel to the long axis of an enemy ship from ahead (in front of the ship) or astern (behind the ship). Although each shot was directed against a smaller profile compared to firing at the target ship's broadside and thus more likely to miss the target ship to one side or the other, an individual cannon shot that hit would pass through more of the ship, thereby increasing damage to the hull, sails, cannon and crew. In addition, the targeted ship would have fewer (if any) guns able to return fire.

Historically, a stern rake tended to be more damaging than a bow rake because the shots were less likely to be deflected by the curved and strengthened bow,[1] and because disabling the exposed rudder at the stern would render the target unable to steer and thus manoeuvre. However, achieving a position to rake a single enemy ship was usually very difficult unless the opponent was unable to manoeuvre due to damage to its sails or rudder; it was easier if the enemy ship was required to maintain its position in a line of battle.

The effectiveness of this tactic was demonstrated at the Battle of Trafalgar. Admiral Nelson's HMS Victory, leading the weather column of the British fleet, broke the French line just astern of the French flagship Bucentaure, and just ahead of Redoutable. Victory raked the Bucentaure's less-protected stern, killing 197 and wounding a further 85, including the Bucentaure's captain, Jean-Jacques Magendie. Admiral Pierre-Charles Villeneuve survived, and although he was not captured for three hours, the raking put Bucentaure out of the fight. In the Royal Navy's Glorious First of June (1 June 1794) battle, Admiral Richard Howe ordered his British fleet to turn through the French line and rake the opposing ships. While only a small proportion of captains and ships achieved this, it was decisive enough to turn the battle.

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References

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Raking fire

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Raking fire is a naval gunnery tactic in which a warship maneuvers to fire its broadside parallel to the long axis of an enemy vessel, usually from ahead or astern, enabling shots to rake through the target's length and cause extensive structural and personnel damage. This approach maximizes the impact of cannon fire by penetrating multiple decks, disrupting rigging and sails, and limiting the enemy's ability to return fire effectively, as fewer guns can be brought to bear. Stern rakes proved especially devastating, often damaging the rudder and impairing maneuverability while exposing vital areas like the quarterdeck. The tactic originated in the Age of Sail but persisted into the era of steam-powered warships, where achieving the optimal position required skillful seamanship amid circling maneuvers. Raking fire played a critical role in numerous engagements, such as the 1864 duel between CSS Alabama and USS Kearsarge, where both captains sought to cross the opponent's bow for a raking broadside, though Kearsarge's armored sides ultimately prevailed. During the in 1864, Confederate gunboat CSS Selma delivered unanswerable raking fire against USS Hartford, harassing Admiral David Farragut's flagship as the Union fleet navigated past Confederate forts. Earlier, in the , British frigate HMS Pelican attempted a stern rake on USS Argus, only to be thwarted by the American crew's quick adjustments to sails. These examples highlight raking fire's status as a high-risk, high-reward maneuver that could decisively shift the momentum in line-of-battle formations or single-ship actions.

Definition and Mechanics

Definition

Raking fire is a naval tactic employed primarily during the age of but also in the early of steam-powered warships, involving the delivery of fire parallel to the long axis of an enemy ship, typically from a position ahead (bow) or astern (). This alignment allows the projectiles to traverse the full length of the target vessel, entering through the vulnerable ends and continuing through internal structures. The key characteristics of raking fire include its enfilade nature, where shots penetrate multiple decks, gun ports, and stations in a single pass, inflicting widespread damage to , hull integrity, and personnel. Ships of the era were particularly susceptible at the bow and due to minimal armament and lighter construction in those areas, making this tactic highly effective when executed . Unlike broadside fire, which consists of perpendicular volleys from one side of a ship targeting the beam of an opponent in parallel formations, raking fire emphasizes longitudinal targeting to exploit the ship's elongated vulnerability. This distinction arose from the tactical doctrines, such as the Royal Navy's Fighting Instructions, which prioritized line-ahead formations for broadside exchanges but left openings for raking maneuvers by agile attackers. The tactic's primary advantage lies in its potential for disproportionate impact with fewer guns exposed to counterfire.

Execution and Technical Aspects

To execute raking fire, the attacking vessel needed to achieve precise positioning by aligning its broadside guns parallel to the length of the target ship, typically by crossing the enemy's bow or stern during a maneuver such as wearing or tacking. This often demanded superior seamanship to outmaneuver the opponent, particularly in square-rigged ships where close-hauled sailing was limited to about 67.5 degrees off the wind, making upwind approaches challenging without a wind advantage known as the weather gage. In the steam era, achieving the rake relied more on engine propulsion and steering for precise positioning. Armament for raking fire consisted primarily of long-barreled cannons from the broadside battery, such as 24- or 32-pounders capable of effective ranges up to 1,000 yards when elevated. These were loaded with to ensure deep penetration through the target's galleries—ornate, glassed openings in the transom—or bow chase ports, exploiting the minimal defensive armament at the ends of the hull. The physical effects were profoundly destructive due to the unobstructed path of the projectiles along the and below. entering the would smash through thinner planking and ornate woodwork, generating lethal flying splinters that could or kill crews across multiple stations, while also severing lines, shattering masts, and igniting fires from disrupted magazines or wooden debris. This vulnerability stemmed from ship designs prioritizing broadside strength, with sterns left lightly built for aesthetic and accommodation purposes, rendering particularly effective against immobilized or poorly positioned foes. The historical dominance of square-rigged sail plans further influenced raking fire's opportunistic nature, as these configurations provided excellent downwind speed but restricted forward and aft firepower to just a few chase guns, limiting defensive options and emphasizing the tactic's reliance on tactical superiority in positioning.

Tactical Role in

Advantages and Risks

Raking fire offered significant tactical advantages in during the Age of Sail, primarily due to its ability to inflict high casualties by directing cannon fire along the length of an enemy vessel, targeting exposed members, vital systems such as gear and command areas, and densely packed gun crews on the decks. This enfilade approach maximized damage potential, often sweeping the entire length of the ship and causing disproportionate harm compared to traditional broadside engagements, as seen in actions during the where raking salvos decimated personnel and rigging. Furthermore, it disrupted the cohesion of enemy line-of-battle formations by breaking lines at vulnerable points, such as bows or sterns, thereby creating openings for follow-up attacks and sowing confusion among the fleet. The psychological impact was equally profound, instilling fear of devastating enfilade fire that could demoralize crews, leading to premature surrenders or abandonment of positions, as evidenced in reports from battles like Trafalgar where such tactics paralyzed enemy resistance. Despite these benefits, raking fire carried notable risks, particularly the exposure of the attacking ship's bow or during the approach maneuver, leaving it vulnerable to concentrated counter-fire from multiple enemy vessels. Achieving the optimal position demanded precise maneuvering in close quarters, often under light winds or chaotic conditions, which increased the likelihood of errors, grounding, or desynchronization with supporting ships, as occurred with leading vessels at Trafalgar that endured heavy pounding while crossing the enemy line. Additionally, if fleets passed in close proximity, there was a high potential for mutual raking, where both sides could inflict reciprocal damage, turning the tactic into a double-edged sword and escalating casualties on the aggressor. To mitigate these risks, commanders often integrated raking fire into broader fleet maneuvers, such as breaking the enemy line to secure rake positions with coordinated support from allied ships, thereby reducing individual exposure and enhancing overall tactical leverage. This approach, exemplified in Nelson's strategies, balanced the vulnerability of the initial approach by leveraging superior speed, seamanship, and timing to minimize counter-fire opportunities. Raking fire distinguishes itself from broadside fire primarily through its alignment and penetration: it directs a full broadside longitudinally along the enemy's deck from the bow or , enabling shots to traverse the ship's length, shatter bulkheads, and produce devastating splinters that inflict heavy among crew and officers, in contrast to the impact of broadside volleys, which concentrate damage on the hull sides but rarely penetrate deeply into vital areas. This deeper penetration often renders raking fire more decisive in isolated ship-to-ship engagements, where it can quickly demoralize or disable the target, though achieving the necessary end-on positioning exposes the attacking ship to counterfire and proves challenging within the rigid formations of fleet line battles, where parallel broadsides allow sustained mutual support. In comparison to —a tactic that gained prominence in the post-sail with —raking fire represents an earlier, more opportunistic precursor limited to individual vessels rather than coordinated fleets. positions an attacking line perpendicular to the enemy formation, allowing multiple ships to simultaneously rake the bows or sterns of the opponent's lead vessels with broadsides while limiting the enemy's response to ineffective end-fire, thereby achieving fleet-scale superiority; raking fire, by contrast, relies on ad hoc maneuvers in the age of to target a single ship's vulnerable ends, without the mechanical reliability of for precise fleet alignment. Raking fire further differs from chase fire, employed during pursuits where a pursuing ship uses limited bow or chaser guns to harass the fleeing vessel at extended ranges, aiming to damage or slow progress through sporadic, low-volume shots that rarely cause decisive harm. Raking, however, demands close-quarters tactical alignment to deliver the concentrated power of an entire broadside along the target's axis, maximizing structural and personnel losses in a single devastating pass, unlike the prolonged but attenuated nature of chase engagements.

Historical Applications

Origins in Early Naval Combat

As artillery emerged in the late , oar-powered galleys adapted by mounting heavy bow guns—often firing 30- to 50-pound shots at —to complement close-quarters assaults, marking an early precursor to longitudinal fire along an enemy's length during pursuits or maneuvers in line abreast. This transition from melee-focused tactics to integrated gunnery on oar-driven vessels laid the groundwork for chase guns, which targeted fleeing ships' to slow them without full engagement. In the 16th and 17th centuries, raking fire evolved with the rise of sailing warships and formalized line-of-battle tactics, where fleets employed stern chasers to harass retreating opponents and disrupt formations. advances, such as reinforced sterns on galleons and early ships of the line, facilitated the installation of these aft-facing guns, allowing pursuers to deliver enfilading shots parallel to the target's deck while minimizing exposure to broadsides. Doctrinal recognition appeared in English naval treatises, including those by Sir William Monson in the early 1600s, which advocated chase guns for defensive pursuits against superior forces, emphasizing their role in delaying enemy treasure fleets or raiders. Adoption was enabled by key technological factors, including refinements in gunnery accuracy through improved gun carriages with trunnion sockets and higher-quality , which stabilized firing during chases and extended . Advances in sail-handling, such as more efficient square-rigged configurations on ocean-going vessels, permitted faster maneuvers to position for raking shots without losing wind advantage. These elements proved vital in colonial naval skirmishes, where chase guns disrupted trade routes by targeting sails and helms at distance. Such tactics offered a decisive edge by inflicting disproportionate damage on crew and mobility with minimal risk.

Key Examples from the Age of Sail

One prominent example of raking fire occurred during the Battle of Trafalgar on October 21, 1805, where HMS Victory, flagship of Admiral Horatio Nelson, led the British van in breaking the Franco-Spanish line. As Victory approached, she maneuvered astern of the French 80-gun flagship Bucentaure, delivering a devastating raking broadside at point-blank range—firing her port guns loaded with triple shot and a carronade loaded with roundshot and musket balls—which killed or wounded hundreds on the French deck. Immediately after, Victory collided with and exchanged broadsides at close quarters with the adjacent French 74-gun Redoutable, inflicting severe casualties in the ensuing melee that lasted over an hour. Reinforcing the British assault, HMS Temeraire then raked Redoutable with grapeshot from astern as the French crew prepared to board Victory, killing or maiming most of the intended boarders and contributing to the ship's ultimate capture. According to Redoutable's captain, Jean-Jacques Lucas, the ship suffered 300 killed and 222 wounded out of 634 crew, representing over 80% casualties and aiding the British breakthrough that secured victory. The on November 20, 1759, showcased raking fire's effectiveness in adverse weather during the Seven Years' War. Amid gale-force winds and breaking waves in the treacherous bay, Admiral Edward Hawke's British fleet pursued the French under Marshal Hubert de Brienne, Comte de Conflans, using aggressive maneuvers to exploit the chaos. HMS Magnanime (74 guns), commanded by Francis Saumarez, positioned herself to rake the French 80-gun Formidable with a full broadside, hulling the ship extensively and forcing its surrender after two supporting broadsides from HMS Torbay. This raking inflicted around 400 casualties on the nearby French 74-gun Héros, leading to its capitulation as well. Such targeted rakes, combined with a general chase that scattered the French formation, resulted in seven French ships lost or destroyed and over 2,500 casualties, decisively thwarting their invasion plans and affirming British naval dominance. An notable American application appeared in the during the engagement between and HMS Java on December 29, 1812, off , . Captain William Bainbridge, commanding Constitution, employed skillful sailing to cross the British ship's bow multiple times, culminating in a raking position off Java's bow that delivered a concentrated broadside along her length. This maneuver, executed after earlier exchanges where both captains sought to rake without success, crippled Java's rigging and guns, causing over 100 British casualties including the mortal wounding of Captain Henry Lambert. The tactic demonstrated U.S. adaptations of doctrines, leading to Java's capture and after two and a half hours of fighting.

References

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  2. https://military-history.fandom.com/wiki/Raking_fire
  3. https://www.history.navy.mil/research/histories/ship-histories/confederate_ships/alabama.html
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  8. https://ussconstitutionmuseum.org/wp-content/uploads/2015/12/Lavery-Masts-Sails-Rigging.pdf
  9. https://www.history.navy.mil/about-us/leadership/director/directors-corner/h-grams/h-gram-089/h-089-1.html
  10. https://www.usni.org/magazines/naval-history-magazine/1997/august/loved-and-respected-machine
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  18. https://warhistory.org/%40msw/article/gunpowder-and-galleys-changing-technology-and-mediterranean-warfare-at-sea-in-the-16th-century-by-john-francis-guilmartin
  19. https://www.history.navy.mil/research/library/online-reading-room/title-list-alphabetically/e/evolution-of-naval-weapons.html
  20. https://www.cambridge.org/core/books/cambridge-history-of-war/evolution-of-naval-warfare14501650/CBFB5B9C455874A1F7598AB2703FAAA0
  21. https://archive.org/details/navaltractsofsir01mons
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  23. https://www.usni.org/magazines/proceedings/2005/october/trafalgar-predestined-victory
  24. https://www.britishbattles.com/napoleonic-wars/battle-of-trafalgar/
  25. https://www.napoleon.org/en/history-of-the-two-empires/articles/captain-lucass-report-concerning-the-loss-of-the-vessel-redoutable-at-the-battle-of-trafalgar/
  26. https://www.usni.org/magazines/proceedings/2018/february/chaos-under-control-lessons-quiberon-bay
  27. https://www.history.navy.mil/research/library/online-reading-room/title-list-alphabetically/u/uss-constitutions-battle-record0/uss-constitution-vs-hms-java-1812.html
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