SZ/OEMU/28/2/14 - The penetration of spherical projectiles into cast lead, 1/45

Reference code

SZ/OEMU/28/2/14

Level of description

Item

Title

The penetration of spherical projectiles into cast lead, 1/45

Date/s

1945

Quantity & Format

8 leaves

Corporate name

Great Britain. Ministry of Supply.

Subject

Lead Penetration resistance.

Creator

Road Research Laboratory

Scope and content

MOS/422/HLDP.ACJ

The relative penetrations of steel balls were plotted against the striking velocities. Various sizes of balls were used. The penetration of each size of ball increased with velocity until about a striking velocity of 2,000 - 2,800 foot/sec. when the penetration began to decrease, and the diameter of the crater to increase. The results indicated that the decrease in penetration could have been due to serious deformation of the ball prior to breaking up, since, in that region all the balls were either broken up or deformed by the impact. Graphs and tables are included, also photographs of the steel balls after having been fired, and photographs of the craters caused by steel balls fired into cast lead.

Report to the Ministry of Supply.

SZ - Zuckerman Archive
- SZ/OEMU - Ministry of Home Security, Oxford Extra-Mural Unit
  - SZ/OEMU/28 - [OEMU. CDRC - Splinters, 1939-1945]
    - SZ/OEMU/28/2 - [OEMU. CDRC - Splinters: penetration into concrete, steel, etc., 1940-1945]
      - SZ/OEMU/28/2/14 - The penetration of spherical projectiles into cast lead, 1/45

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