Xuan Feng Pao (旋風砲)
Added 2020-06-06 18:51:46 +0000 UTCI used to sincerely believe that whirlwind trebuchet is a unique weapon that utilises some kind of centrifugal force to hurl its projectile, like a lethal version of carnival swing ride. I feel so silly now.
Continue reading at my Great Ming Military blog.
