Encyclopedia of historical weapons - Onager

Roman Ballista, so named after a wild ass because of the way it kicked back upon firing. It was most common in the armies in the mid 4th century AD. Since they were so large and slow to move the onagri were most suited for sieges. The length of the sling on the end of the arm could be adjusted to affect the trajectory of the stone.

Encyclopedia of historical weapons

From Encyclopedia

Spurs
Y-shaped metal goads strapped to the heel, used to drive the horse on. Dating from early antiquity. Early medieval spurs were of simple prick type;…
Fletching
Feathers fastened onto the back of an arrow to help it fly straight.
Hasta
The hasta was the Roman trusting spear. It was carried by the units called triarii in Republic times. Marius military reforms made the pilum the…
Iverapena
Paddle club made of hardwood and slightly pointed.
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