Unexploded WW2 incendiary bomb found buried under Bristol garden
Whilst gardening in Pensford, two local residents encountered the 79 year old 1kg incendiary bomb.
The inert tail section of a second 1kg incendiary accompanied the full bomb, indicating another tailless bomb might be lurking nearby.
Even the shallowest ground works can encounter bombs such as these. Weighing in at just 1kg , incendiary sub-munitions could only achieve limited penetration in soft ground.
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What is a 1kg German incendiary bomb?
A small WWII-era bomb with a magnesium alloy body and incendiary fill comprising a chemical called thermite. As it struck the ground, a percussion charge would ignite the thermite and the bomb.
The standard B1E type accounted for the majority of bomb loads, however some included a small explosive with a delay fuse. The inclusion of these models acted as a deterrence to anyone attempting to extinguish the bomb before it could fully ignite.
The incendiary component within the bomb burns aggressively at over 1,000°C, creating a significant burn hazard. As such, all models of these bombs should be considered dangerous, not just the explosive type.
Between 1940 and 1944 more than a million of these 1kg devices were dropped on Britain by Luftwaffe aircraft. They were dispersed by cluster bomb containers, holding up to 620 of the deadly sub-munitions.
As a result, the most commonly encountered unexploded Luftwaffe bombs in the U.K are the 1kg incendiary type.
