10 votes

How would a scaled-up ballista designed to launch 50-foot spears function?

Summary similar to the other answers Thanks for the clarifications and improvements. I've retracted my close vote. Basic math: A cylinder 50 feet long with a radius of 1.75 feet has a volume of 481 ...
JBH's user avatar
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6 votes

How would a scaled-up ballista designed to launch 50-foot spears function?

Poorly The likely "full metal" for the mid-1400s would be cast iron. A bolt a metre in diameter and 15 metres long comprised of cast iron would mass about 90 tonnes. Medieval ballistae used ...
jdunlop's user avatar
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3 votes

How would a scaled-up ballista designed to launch 50-foot spears function?

How would a scaled-up ballista designed to launch 50-foot spears function? It wouldn't, no one in their right mind would design and build such a machine. The cost and labour would be prohibitive and ...
Kilisi's user avatar
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3 votes

How would a scaled-up ballista designed to launch 50-foot spears function?

You do realise that a 100 metric tonne bolt is the weight of about a Boeing 757. Having a ballista launch something like that is not really feasible, not even with today's technology. I would suggest ...
Loksorr's user avatar
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2 votes

How would a scaled-up ballista designed to launch 50-foot spears function?

(...) scaled-up ballistas designed to launch 50-foot full-metal spears across a distance of ~250 yards (...) The question is, with technology equivalent to that of Europe in the Middle Ages, how would ...
The Square-Cube Law's user avatar

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