Improvised Tank Armor Tricks

TL;DR

Tank crews throughout history improvised armor using nails, wood, concrete, and scrap to counter evolving threats when official upgrades couldn't keep pace.

Key Points

• 1.- In the Pacific theater, American Sherman crews welded 3.5-inch construction spikes around hatches and hatches to impale Japanese infantry attempting to climb aboard with satchel charges.
• 2.- To defeat Japanese Type 99 magnetic anti-tank mines, Marines first roughened paint with sand, then bolted wooden planks along hulls — disrupting both magnetic grip and shaped-charge geometry.
• 3.- Soviet experiments with concrete armor on T-34s failed catastrophically: some configurations added over 13 tons, with individual blocks heavier than a small car, destroying mobility and field-repair capability.
• 4.- German Schürzen wire mesh skirts ('bed frame armor') were lightweight and replaceable, designed to tumble Soviet anti-tank rifle rounds before impact — later adapted by both sides against shaped charges.
• 5.- Soldiers welding spare tank plates onto active vehicles inspired the official M4A3E2 'Jumbo' assault Sherman, demonstrating how battlefield improvisation directly shaped factory-produced designs.