SD Mortar Bomb, SD 1 & SD 1 FRZ
Over-All Length:
– SD 1: 6.7 in.
– SD 1 FRZ: 6.06 in.
Body Length:
– SD 1: 4.25 in.
– SD 1 FRZ: 3.75 in.
Body Diameter:
– SD 1: 2.0 in.
– SD 1 FRZ: 2.0 in.
Wall Thickness:
– SD 1: 0.4 in. nose, 0.2 in. tail
– SD 1 FRZ: 0.12 in.
Tail Length:
– SD 1: 1.25 in.
– SD 1 FRZ: 1.22 in.
Tail Width:
– SD 1: 2.0 in.
– D 1 FRZ: 2.0 in.
Total Weight:
– SD 1: 2 lbs.
– SD 1 FRZ: 1.1 lb.
– SD 1: 6.7 in.
– SD 1 FRZ: 6.06 in.
Body Length:
– SD 1: 4.25 in.
– SD 1 FRZ: 3.75 in.
Body Diameter:
– SD 1: 2.0 in.
– SD 1 FRZ: 2.0 in.
Wall Thickness:
– SD 1: 0.4 in. nose, 0.2 in. tail
– SD 1 FRZ: 0.12 in.
Tail Length:
– SD 1: 1.25 in.
– SD 1 FRZ: 1.22 in.
Tail Width:
– SD 1: 2.0 in.
– D 1 FRZ: 2.0 in.
Total Weight:
– SD 1: 2 lbs.
– SD 1 FRZ: 1.1 lb.
Filling:
– SD 1: Cast TNT
– SD 1 FRZ: Amatol 30/70; Granular TNT
Weight Of Filling: N/A
Charge/Weight Ratio: N/A
Fuzing:
– SD 1: - (73), (73) A, (73) A2
– SD 1 FRZ: - (73) B2
– SD 1: Cast TNT
– SD 1 FRZ: Amatol 30/70; Granular TNT
Weight Of Filling: N/A
Charge/Weight Ratio: N/A
Fuzing:
– SD 1: - (73), (73) A, (73) A2
– SD 1 FRZ: - (73) B2
CONSTRUCTION: Both bombs have a steel body. The SD 1 tail assembly is of light metal. A tubular frame supports eight light metal fins and a drum. Tail assembly screws into bomb.
The FRZ tail assembly also screws into base of bomb. It is in the form of a cup with three sheet metal pieces spot welded on to it to form six fins. Both steel and aluminum tails were used.
SUSPENSION: SD 1: 392 bombs in AB 500-1 container; 224 bombs in AB 250-2 container; 50 bombs in AB 70-D1 container. Packing is nose to tail with tail cup of each forming a safety device for the fuze behind it.
FRZ bombs are carried in AB 70-D1 container and packed in the same matter as the SD 1 bombs.
COLOR AND MARKINGS: SD 1 yellow; FRZ body is mustard color. Tail (sheet steel) black, (cast aluminum) natural color. Ogive is painted red on Amatol-filled bombs.
Markings on FRZ: NX, A EM-5-38, NX-E-6-37, 109 (Stenciled in black.
AK 1927-12-38 Stamped.
REMARKS: The FRZ is a French bomb used by the Germans.
All information for this entry were acquired from Army Technical manual TM 9-1985-2/Air Force Technical Order TO 39B-1A-9 GERMAN EXPLOSIVE ORDNANCE (Bombs, Fuzes, Rockets, Land Mines, Grenades & Igniters)
