Quote:
PlasmaKrab said:
the whole concept derived from the RPG fences used in Vietnam.
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Its older than that. Russians used to tie bed-springs to the outside of their tanks to interfere with HEAT warheads.
Back then the penetrator stream lost coherence pretty fast so the standoff distance affected the effectiveness of the penetrator. Everything from sandbags to logs were used like this in WW2 by most sides, so I would not attribute this to the Vietnam era.