RADAR PART 10 : the auto barrage unit [Main Title]

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  • Title: RADAR PART 10 : the auto barrage unit [Main Title]
  • Film Number: ADM 2559
  • Other titles:
  • Summary: Barrage theory, and how the ABU ensures greater success in relation to the large quantities of ammunition expended.
  • Description: (Reel 1) Good opening shots of barrage fire from ships, with shells set to explode at a specific range, against attacking aircraft. Good gunnery scenes on 4 inch gun. Animations demonstrate barrage theory. Problem: uses too much ammunition. Radar can provide greater precision, allowing barrage fire at a specific target rather than as a deterrent. The ABU, used in conjunction with radar Types 283 and 285 (illustrated in use), fires the guns. How to adjust ABU. How a salvo is fired. (Reel 2) Recapitulation of procedure when ship comes under air attack. Ends with shot of blazing aircraft ricocheting along the water.
  • Alternative Title:
  • Colour: B&W
  • Digitised:
  • Object_Number: ADM 2559
  • Sound: Sound
  • Access Conditions: Attribution: © IWM
  • Featured Period: 1939-1945
  • Production Date: 1944-01
  • Production Country: GB
  • Production Details: Admiralty (Production sponsor) B T-H Research Laboratory (Production company)
  • Personalities, Units and Organisations: Royal Navy (regiment/service)
  • Keywords: combat, British naval - barrage (object name) equipment, British naval - fire control: automatic barrage unit (object name) equipment, British naval - surveillance: radar Type 283 (object name) equipment, British naval - surveillance: radar Type 285 (object name) training, British naval - specialist: radar (object name) training, British naval - weapons (object name) weapons, British naval - gun [AA]: 4 inch gun (object name) Animation (concept) Instruction (concept)
  • Physical Characteristics: Colour format: B&W Sound format: Sound Soundtrack language: English Title language: English Subtitle language: None
  • Technical Details: Format: 35mm Number of items/reels/tapes: 2 Footage: 1297 ft; Running time: 14 mins
  • HD Media:
  • Link to IWM Collections page:

    ADM 2559

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