Firearms were cheaper because they were more simple to make. The metal tube and fire lock mechanism were simpler to make than crossbow prods and locks/trigger.Originally Posted by Carl
Remember that the shaft is only part of the weight. The metal point does add considerably to the overall weight of a bolt. The balancing point of a shorter bolt is about 1/3 of the overall length from the tip, but needs to be 1/4 for a longer arrow. If you ever have seen pics of a bolt close up you will note how the metal tip respresent a much bigger part of the overall length than when comparing to arrows...I’m not convinced the shorter quarrel would have been as heavy, which would have reduced range.
"European Crossbows: A Survey by Josef Alm" provides details on crossbows and bolts and gives us weights and length of different types of bolts: 38-40 cm long with most having a weight between 70-79 grams (the most common bolts from the museum in Bern)
IIRC in simple terms work x distance = power and one can get a general idea of energy stored in the bow with: draw weight x draw length /2. Of course one would have to lower the result a bit (maybe 5-6% for bows and 10-20% for crossbows) as the power stroke is shorter(the actual distance the string is pulled back)On top of that a Crossbow typically has a shorter distance backwards draw, this actually cuts power as well.
Stuff like that just makes it all even more complicated as we cant just compare draw weight but have to know the actual draw length. Even for bows there would be a difference as a tall archer might have longer arms so "drawing to the ear" would be different than for a shorter archer.
CBR
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