What was the dreadnought and who built it in 1906
The forward torpedo room was forward of 'A' turret's magazine and the rear torpedo room was abaft 'Y' turret's magazine. The stern torpedo compartment was shared with the steering gear. In addition six inch mm torpedoes were carried for her steam picket boats.
Dreadnought was one of the first vessels of the Royal Navy to be fitted with instruments for electrically transmitting range, order and deflection information to the turrets. The control positions for the main armament were located in the spotting top at the head of the foremast and on a platform on the roof of the signal tower. Data from a 9-foot 2. Voice pipes were retained for use between the Transmitting Station and the control positions.
The target's data was also graphically recorded on a plotting table to assist the gunnery officer in predicting the movement of the target. The turrets, Transmitting Stations, and control positions could be connected in almost any combination.
Firing trials against HMS Hero in revealed this system's vulnerability to gunfire, as its spotting top was hit twice and a large splinter severed the voice pipe and all wiring running along the mast.
To guard against this possibility, Dreadnought's fire-control system was comprehensively upgraded during her refits in — The rangefinder in the foretop was given a gyro-stabilized Argo mount and 'A' and 'Y' turrets were upgraded to serve as secondary control positions for any portion or all of the main armament. An additional 9-foot 2.
In addition, 'A' turret was fitted with another 9-foot 2. It combined the functions of the Dumaresq and the range clock. Fire-control technology advanced quickly during the years immediately preceding World War I, and the most important development was the director firing system.
This consisted of a fire-control director mounted high in the ship which electrically provided data to the turrets via pointers, which the turret crew were to follow. The director layer fired the guns simultaneously which aided in spotting the shell splashes and minimised the effects of the roll on the dispersion of the shells.
A prototype was fitted in Dreadnought in , but it was removed to avoid conflict with her duties as flagship of the Home Fleet. The exact date of the installation of the director is not known, other than it was not fitted before the end of , and it was most likely mounted during her April—June refit.
Dreadnought 36 days after the keel was laid showing armoured deck largely in place and beams for main deck. Dreadnought used Krupp cemented armour throughout, unless otherwise mentioned. Her waterline belt measured 11 inches mm thick, but tapered to 7 inches mm at its lower edge. It extended from the rear of 'A' barbette to the centre of 'Y' barbette. Oddly, it was reduced to 9 inches mm abreast 'A' barbette. A 6-inch mm extension ran from 'A' barbette forward to the bow and a similar 4 inch extension ran aft to the stern.
An 8-inch mm bulkhead angled obliquely inwards from the end of the main belt to the side of 'X' barbette to fully enclose the armoured citadel at middle deck level. An 8 inch belt sat above the main belt, but only ran as high as the main deck. One major problem with Dreadnought ' s armour scheme was that the top of the 11 inch belt was only 2 feet 0.
The turret faces and sides were protected by 11 inches of Krupp cemented armour, while the turret roofs used 3 inches of Krupp non-cemented armour KNC. The exposed faces of the barbettes were 11 inches thick, but the inner faces were 8 inches thick above the main deck. Below the main deck, the barbettes' armour thinned to four inches except for 'A' barbette eight inches and 'Y' which remained 11 inches thick. The thickness of the main deck ranged from 0.
The middle deck was 1. Over the magazine for 'A' and 'Y' turrets it was 3 inches thick, on slope and flat both. The lower deck armour was 1. The sides of the conning tower were 11 inches thick and it had a 3 inch roof of KNC. It had a communications tube with 8 inch walls of mild steel down to the Transmitting Station on the middle deck.
The walls of the signal tower were 8 inches thick while it had a roof of 3 inches of KNC armour. In common with all major warships of her day, Dreadnought was fitted with anti-torpedo nets , but these were removed early in the war, since they caused considerable loss of speed and were easily defeated by torpedoes fitted with net-cutters. By the end of , common torpedo control additions to all capital ships were to be adopted where not already in place.
Those for Dreadnought and later classes with in tubes were to include: [82]. The placement on the middle deck left the T. However, this was recognized as a problem, and the main T. The T. By , Dreadnought had Vickers, Son and Maxim instruments for range, orders and deflection, and Barr and Stroud instruments for rate. The equipment listed in the Handbook for Fire Control Instruments, is as follows Vickers, unless otherwise noted : [91].
Additionally, Dreadnought had the following Siemens equipment: [92]. The ship also had Target Visible and Gun Ready signals, with indications of which turret could see the target and which guns were ready being visible in the T. In , Barr and Stroud rate instruments were added between T. In , it was decided that the ship should be fitted with "range, buzzer and bearing instruments for communication between control positions, control turrets and transmitting and plotting stations.
In , the turrets were given a means of local control, wherein range and deflection transmitters in the turrets could drive the receivers at the gunsights. Presumably, this also involved installation of a COS and involved a local firing push. At the same time, "A" and "Y" turrets were equipped to act as alternate control positions, being given additional instruments, navyphones and voicepipes to communicate with the TS, and probably requiring a fancier C.
John Roberts compiled a variety of important modifications to Dreadnought over her service life: [97]. These were likely to serve as trainer telescopes. Dreadnought was completed without a director but by mid was fitted with a geared tripod-type director in a light aloft tower on the fore top along with a directing gun in "Y" turret.
Control was exercised from either the spotting or main top, with the control officer in the top communicating via navyphone to the sightsetters of his assigned groups of pdrs who wore telaupads. Dreadnought was fitted with Evershed Bearing Indicators in fore top between in extended work between a stop in Portsmouth 9 August, and one in Gibraltar, 2 April, Dreadnought From The Dreadnought Project. Jump to: navigation , search. Captain Reginald H. Bacon , 2 July, [8] Captain Charles E.
Gordon H. Coppinger , 25 February, [36] — 31 March, [37] and, from 16 December, in charge of ships for disposal in the Scottish Command. Personal tools Log in. Navigation Main page Recent changes Random page Help.
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