A rated range is not a combat radius
A 3,600-nautical-mile cruising figure shrinks once the ship must return home and spend fuel attacking at high speed.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Complete directory
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Explore every watch point in reverse video-date order, then in timestamp order within each video.
Designing for a mission or matching another navy
A procurement critique asks whether Japanese destroyers were shaped by the missions they faced or by what rival navies were building.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Wakatake repeats the small destroyer formula
Wakatake retained a small hull and limited range, while the comparison with Momi shows how machinery requirements could erase hoped-for crew savings.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Could Wakatake reach a distant attrition fight?
The small Wakatake design is tested against a strategy that expected attacks before an enemy fleet reached Japanese waters.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
What foreign destroyer studies offered Japan
Extensive observation of foreign destroyers offered Japan design lessons, but the operational requirements still had to be its own.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Minekaze successors and the Kamikaze order
Nokaze, Kamikaze and Mutsuki continue the Minekaze line, with changes in hull and machinery rather than a complete break.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Kamikaze ships from Wake Island to war's end
Hayate's loss at Wake Island and the class's wartime losses give the interwar design a later service context.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Kamikaze and Clemson endurance compared
A comparison puts Kamikaze's stated 3,600 nautical miles at 14 knots beside Clemson's 4,900 at 15 knots.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
A missed opening for long-range destroyers?
Japan's distant attrition concept is set against small early destroyers and a lull in new American and British destroyer construction.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Mutsuki's torpedoes and limited endurance
Mutsuki gains triple torpedo mounts and reloads, yet its stated cruising range remains a constraint for repeated distant attacks.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
The time and fuel cost of repeated destroyer sorties
An advancing fleet leaves little time for destroyers to attack, return to base, refuel and strike again.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
More fuel or more destroyers?
Limited endurance creates a demand for more destroyers and rearming bases, prompting a challenge to the programme's design priorities.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Treaty limits and an inherited attrition plan
Interwar treaty limits prompt a question about how an older Japanese fleet strategy could still be carried out.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Attrition before a decisive fleet battle
Repeated ambushes and attacks were meant to narrow an enemy's advantage before a final battle and possible settlement.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
When inherited doctrine becomes an obstacle
Understanding a doctrine's reasoning matters when changing circumstances call for a different application.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Fubuki brings longer range and heavier guns
Fubuki's stated 5,000-nautical-mile range and six 127 mm guns mark a major change from earlier Japanese destroyers.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
The cost of changing destroyer gun caliber
Moving from 4.7-inch to five-inch guns raises a question about ammunition commonality across old and new destroyers.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Fubuki's enclosed guns and the protection tradeoff
Thin enclosed turrets are compared with open mounts that could concentrate thicker steel toward incoming fire.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Fubuki's torpedo punch meets the fuel budget
Nine 610 mm torpedo tubes and a longer cruising range improve Fubuki's strike potential, though fast attacks still shorten its practical reach.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Numbered destroyers and crew identity
The quick return from numbers to ship names is interpreted as a response to crew morale, with communications confusion providing a convenient public explanation.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Akatsuki, welded construction and stability repairs
Akatsuki is treated as more than another Fubuki batch, while welding and later ballast reveal the class's weight and stability tradeoffs.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Hatsuharu and the smaller treaty destroyer
A 1,500-ton treaty limit pushed Japan toward smaller destroyers, bringing speed, hull shape and stability into tension.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Hatsuharu's gun layout and topweight
Five guns and two triple torpedo mounts concentrated heavy armament on Hatsuharu, while its stated cruising range remained 4,000 nautical miles at 14 knots.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Could Japan have built more large destroyers before London?
A treaty counterfactual argues that earlier large-destroyer construction might have eased Japan's later design compromises.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Article 8 and the torpedo-boat opening
Article 8's small-vessel categories offer a way to build torpedo-armed craft outside the destroyer allocation.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Chidori packs torpedoes into a small hull
Chidori combines three five-inch guns, four torpedo tubes and reloads on a small ocean-going hull.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Tomozuru and Chidori's topweight problem
Chidori's high centre of gravity and excess weight persisted despite added bulges, while the Tomozuru incident exposed the danger.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Otori's larger hull after Chidori
Otori's extra displacement exposes the difficulty of combining guns, torpedoes and endurance within the original small-vessel exemption.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Should torpedo attrition and fleet battle use different ships?
The doctrine needed torpedo attacks before the final battle, yet also needed gunfire in that battle, leading to a proposed split in ship roles.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Shiratsuyu's fifth gun and the torpedo approach
The Shiratsuyu gun layout is judged against the need to approach a target and launch torpedoes.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Shiratsuyu with the fleet's attrition force
Shiratsuyu's torpedoes, speed and endurance supported day and night attacks on an advancing American fleet.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Shiratsuyu's treaty size and weight aloft
The class's guns and elevated torpedo equipment bring the treaty-era compromise between firepower and stability back into view.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Foreign competition and Japan's destroyer requirements
The programme is criticised for reacting to other navies' ships instead of choosing a clearer balance between attrition and fleet battle.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Asashio's aft guns and the danger of withdrawal
Asashio's aft firepower is linked to covering a destroyer force as it breaks contact after an attack.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
What Asashio's wartime losses can tell us
Heavy Asashio losses are considered alongside the risk of judging a design solely by which ships survived a hard-fought war.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Why six guns on a larger Asashio?
With treaty limits receding and a hull above 2,000 tons, the choice of six guns is set against a proposed eight-gun alternative.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Asashio's range and machinery repairs
Asashio's quoted range fell from 5,700 nautical miles at 15 knots to 960 at 34 knots, while turbines and steering needed correction.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Torpedo reloads and the limits of Asashio's guns
Two full torpedo salvos were possible, while the main guns' limited elevation constrained their antiaircraft usefulness.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Kagero moves closer to the long-range requirement
Kagero develops the Asashio design with an endurance target meant to suit Japan's Pacific fleet operations.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Kagero's hull and weight distribution
Kagero combined selective hull lightening with keel and lower-plating changes to improve strength and weight distribution.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Amatsukaze's experimental boiler plant
Amatsukaze's higher-pressure, higher-temperature boilers test a machinery path later associated with Shimakaze.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Matching destroyer capabilities to naval doctrine
Asashio and Kagero approached Japan's operational requirements, supporting the argument for matching equipment and doctrine earlier.
From Momi to Kagero - The Story of the Japanese 1920s & 1930s Destroyer Program ·
Coastal defence ships in ocean escort service
Their coastal hull forms would usually make open-ocean escort work difficult.
Rebuilding Nassau-class battleships retained by Germany
Replacement machinery and fewer main-battery turrets could extend the ships' usefulness; diesels would be one possible choice.
Overage ships and the twenty-year threshold
Under the interpretation offered here, ships could remain in service beyond twenty years without counting against permitted strength.
A British battleship with sixteen 14-inch guns
Sixteen 14-inch guns would give a 28-knot battleship a formidable broadside despite its smaller individual guns.
Tiger cruiser armament and a distinct secondary battery
Competing uses for the guns and a preference for distinct main and secondary batteries account for the rejection.
What makes a naval battle the largest?
The Philippine Sea is proposed for ships and area, and Jutland for a concentrated fleet battle; the choice depends on the measure.