Frag Fragmentation Bombs

A brief description is given in Ref 44, p B228-R, where also are given Figs of fin-type and parachute-type bombs. A 4-lb Butterfly bomb and its photographic view is found on p B239-L of Ref 44 

20-lb Frag Bomb AN-M41A1. is of a shape similar to that shown for fin-type Frag bomb in Fig, p B228-R of Ref 44. 

Its body, constructed in the same manner as described below for 90-lb Frag bomb, has diam 3.64-in. Its overall length is 22.4-in, and total wt ca 19.75-lb which includes either TNT (ca 2.7-lb) or Amatol (ca 2.6-lb). 

90-lb Frag Bomb M82, is constructed of square, steel wire, spirally wound on a seamless steel inner tube, as shown in Fig 2-2. A rounded nose piece housea the nose fuze, and a box-type fin assembly is attached to the tapered aft end of steel tube by a fin lock nut. The steel wire is forged at the nose and at the tail to form a solid body. The bomb can be used either in single suspension or in clusters (such as M27A1) 

When adopted for single suspension (by suspension lug welded to the body), only instantaneous or VT fuzes are used, but fitting of a mechanical time fuze is permitted with the addition of an adapter-booster. Its body diam is 6.06-in, length (with fin assembly M101) 28.0-in, total weight 86.6-lb (when loaded with. 11.4-lb of Comp B), or 87.4-lb (when loaded with 12.3-lb of TNT) 

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Fragmentation Bombs are described in Vol 4, pp D933 to D935- One of such bombs, 90-lb Frag Bomb, M82 is shown in Fig 2-2 on p D935... 

According to the Technical Manual published in 1966 and listed here as Ref 51a, the new classification of US bombs is as follows 1) Semi-Armor-Piercing (SAP) 2) Fragmentation (Frag) 3) General Purpose (GP) 4) Incendiary (Inc or I)... 

Of course, all of the described types of detectors can locate ordnance. Many UXO technicians still mag and flag using a hand-held cesium vapor magnetometer. If all anomalies are to be intrusively investigated, these work fairly weU. But they will not find brass or aluminum fuses and detonators, lead projectiles, or aluminum-cased bombs. On range impact areas, any loose fuses are likely to have detonated anyway. However, on impact areas the amount of shell fragments (frag) render the cesium... 

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