Quote:
Originally Posted by Fred Brackin
Yes, a Tallboy went 70 feet into normal earth and made a hole 70 feet deep and a hundred feet wide. It also pierced 16 feet of reinforced concrete. You might think you were safe if your ceiling were 20 feet of reinfoced cocnrete but the Tallboy would collapse those after it exploded.
With an elite crew and a state of the art bombsight it was also far, far likelier to hit its' target than artillery shells lobbed somehere into the right postal code area.
Those artillery shells also had shorter ranges than the bombers that could be sent after them. You might as well get excited over the US Navy perfecting the cutlass with their model of 1917.
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The Tallboy wasn't even the biggest deep penetrating bomb the British developed. That was the Grand Slam, at ten tons. It had 43% filler, by mass.