Summary of David K. Brown's Atlantic Escorts , livre ebook

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33 pages

English

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Please note: This is a companion version & not the original book.
Sample Book Insights:
#1 The first lesson was that the UK was very close to defeat in 1917, and remained vulnerable to submarine attack. The German U-boat force had three main objectives: to weaken the Grand Fleet by attrition, so that the High Seas Fleet could fight on level terms; to defeat the UK by starvation; and to prevent the US Army from reaching France.
#2 After the war, there was a sense that submarines had been defeated without the use of asdic, and whispers of the new sensor suggested that submarines had lost their cloak of invisibility. There were attempts to agree an international ban on submarines, but they were never likely to succeed.
#3 In the 1920s, there was little or no submarine threat to British merchant shipping. The USA had been ruled out as a potential enemy in the early years of the century, and though the Entente Cordiale still held, Germany was forbidden to build or own submarines.
#4 During the 1920s and 30s, the Navy was extremely underfunded. Battleship-building was forbidden under the Washington Treaty, extended by the London Treaty to 1937, but available building funds went mainly on cruisers and destroyers.

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Seconde Guerre mondiale

History

World War II

Military

Segunda Guerra Mundial

Histoire

Informations

Publié par	Everest Media LLC
Date de parution	12 mai 2022
Nombre de lectures	0
EAN13	9798822507562
Langue	English
Poids de l'ouvrage	1 Mo

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Insights on David K. Brown's Atlantic Escorts
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Insights from Chapter 1

#1

The first lesson was that the UK was very close to defeat in 1917, and remained vulnerable to submarine attack. The German U-boat force had three main objectives: to weaken the Grand Fleet by attrition, so that the High Seas Fleet could fight on level terms; to defeat the UK by starvation; and to prevent the US Army from reaching France.

#2

After the war, there was a sense that submarines had been defeated without the use of asdic, and whispers of the new sensor suggested that submarines had lost their cloak of invisibility. There were attempts to agree an international ban on submarines, but they were never likely to succeed.

#3

In the 1920s, there was little or no submarine threat to British merchant shipping. The USA had been ruled out as a potential enemy in the early years of the century, and though the Entente Cordiale still held, Germany was forbidden to build or own submarines.

#4

During the 1920s and 30s, the Navy was extremely underfunded. Battleship-building was forbidden under the Washington Treaty, extended by the London Treaty to 1937, but available building funds went mainly on cruisers and destroyers.

#5

The flotilla at Portland developed the tactical use of asdic, and in so doing exposed its weaknesses. There was a lack of awareness of the extent to which night surface attack was employed in the last year of World War I.

#6

A major review of ASW was carried out in 1932, when there was still no direct submarine threat to the UK. The potential threat was seen as coming from Germany, even though she had no submarines at that date.

#7

The aircraft threat was recognized as serious on the east coast, and a new design of coastal sloop was designed to provide A/S protection. They were beautiful little ships, but too expensive to be built in numbers.

#8

The introduction of convoy was a policy carried out by the Admiralty in the 1930s. It was only introduced when the enemy resorted to unrestricted warfare, and losses of merchant ships became unsupportable.

#9

In 1916, a team of scientists at the Admiralty Experimental Station began to study the use of echo ranging with high-frequency sound. The principle was simple: a transducer would send out a short pulse of high-frequency sound which would be reflected from a submarine or any other object in its path. The reflected sound would be picked up by the same transducer and the time from sending to reception would give the distance to the target.

#10

The first batch of transducers was ordered in 1918, and by early 1919, echo ranges of 1,100 yards were obtained under ideal conditions. The set was fitted in the patrol vessel P59 and the whaler Cachalot.

#11

The asdic set was used to listen for the enemy, and it could detect a destroyer steaming at fifteen knots at 1,000 yards. It also picked up noise from flow over the dome and cavitation on the propellers.

#12

The design of a production set was not ready for the A class, so the B class was the first flotilla to be equipped. The C class of four ships were not fitted during build but were equipped soon after.

#13

The R and S class were the first destroyers to use geared turbines, which gave them a fuel economy of 15 percent at eighteen knots and 28 percent at twenty-five knots. They had a trial speed of about thirty-six knots and carried three 4in guns and four 21in torpedo tubes.

#14

The S class was the final development of the standard destroyer of World War I. The two forward boiler uptakes were trunked into a single funnel, which allowed the bridge to be moved aft and reduced the perceived motions.

#15

The R and S classes were the largest and most powerful ships in the Western Approaches fleet. They had never been intended to be driven hard in rough weather, and damage was frequent. They were eventually paid off or used for training.

#16

The VW classes, with their leaders, were the finest destroyers of World War I. They were designed by C D Hannaford, and their design showed how rearrangement of conventional features could lead to a step change in capability.

#17

After the Battle of Jutland, the British navy wanted more heavily armed destroyers, and they were eventually ordered in 1917. The W class was a knot slower but carried four 4. 7in guns.

#18

The VWs were used almost exclusively on the east coast and played no part in the Battle of the Atlantic. They were old and lightly built, and their crews had a high proportion of reservists who took a little while to get back to efficiency.

#19

The VWs had three boilers, the majority of the ships having one boiler in the forward boiler room and two in the longer room adjacent to the engine room. The lower part of the boiler room was converted into fuel tanks, increasing endurance to 2,780 miles at fourteen knots with 450 tons of fuel.

#20

The Royal Navy converted twenty ships in all, eleven in the dockyards and nine in commercial yards. The work typically took about six months, though there were considerable variations depending on the defect list and on other work in hand.

#21

The Long Range Escorts were exceptions to the rule. They were still faster than most escorts, and had the most modern A/S armament.

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Summary of David K. Brown's Atlantic Escorts , livre ebook

Seconde Guerre mondiale

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Segunda Guerra Mundial

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