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| BRITISH EXPLOSIVE ORDNANCE |
| Part 1 - Chapter 4 |
| Medium Capacity Bombs |
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M.C. 250-lb. Mks I and II (Service) |
| Data |
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Fuzing |
Nose Pistol No. 27, 42, or 44; Tail Pistol No. 28, 30, or 37 |
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Color markings |
Dark green over-all; ½-in. red band 2 in. from nose; 1-in. light green band around base of ogive |
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Tail No. |
No. 2 Mks I or II |
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Over-all length |
55.5 in. |
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Body length |
27.5 in. |
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Body diameter |
10 in. |
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Wall thickness |
0.3 in. |
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Tail length |
27 in. (approx.) |
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Tail width |
10 in. |
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Total weight |
225 lb. (approx.) |
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Charge/weight ratio |
50% (approx.) |
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Body Construction: The bomb has a solid drawn or rolled steel body. The exploder contains screws into the nose and male base plates. This bomb has parallel sides, with an ogival nose and a slight gear taper, similar to the construction of U.S. General Purpo-se Bombs. |
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Tail Construction: The tail consists of a cylindrical tail strut secured to the tail cone by four fins. The tail assembly is secured to the bomb body by four spring clips, which engage slots in the tail end of the body. A reach rod through the tail cone, haveing arm-ing vanes attached to the after end, engages the arming fork in the tail pistol. |
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Suspension: The Bomb Mk I has a single suspsension lug welded to the bomb body. The Bomb Mk II has dual lugs welded to its case for suspension from U.S. aircraft, in ad-dition to a single lug. |
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Explosive Components |
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Detonator – (See Part 2, chap. 4, Detonators.) |
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Exploders – C.E. pellets |
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Filling – Amatol or Pentolite |
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Remarks: This bomb is supplied with a Tail Pistol No. 28 or 30, and may or may not be fuzed in the nose. |
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The Anti-Disturbance Fuze No. 845, formerly incorporated in the nose of bombs fuzed with the Tail Pistol No. 37, is obsolete. |
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Tail fins are usually painted red when a time pistol is used. |
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Figure 15 – M.C. 250-lb. Bomb Mk II |
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