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Trunnion
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A trunnion is a cylindrical protrusion used as a mounting or pivoting point. First associated with cannons, they are an important military development.
The trunnions are the protrusions from the side of the barrel that rest on the carriage.
The trunnions are the protrusions from the side of the barrel that rest on the carriage.
Early Chinese cannon with trunnions, Yuan Dynasty (1271–1368). Kept in Zhejiang Provincial Museum.
Early Chinese cannon with trunnions, Yuan Dynasty (1271–1368). Kept in Zhejiang Provincial Museum.
16th-century depiction of a cannon with trunnions
16th-century depiction of a cannon with trunnions
Gun trunnions often bear factory markings
Gun trunnions often bear factory markings
Wiard rifle
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The Wiard rifle refers to several weapons invented by Norman Wiard, most commonly a semi-steel light artillery piece in six-pounder and twelve-pounder calibers. About 60 were manufactured between 1861
6-pdr (2.72 kg) Wiard gun and carriage at the Arsenal (now Fort McNair), Washington, D.C.
6-pdr (2.72 kg) Wiard gun and carriage at the Arsenal (now Fort McNair), Washington, D.C.
6-pdr (2.72 kg) Wiard gun with reproduction non-Wiard carriage at Stones River National Battlefield in Tennessee
6-pdr (2.72 kg) Wiard gun with reproduction non-Wiard carriage at Stones River National Battlefield in Tennessee
6-pdr (2.72 kg) Wiard gun and carriage. Production weapons lacked the cascabel and used a different elevating screw under the breech.
6-pdr (2.72 kg) Wiard gun and carriage. Production weapons lacked the cascabel and used a different elevating screw under the breech.
Proposed Wiard 20 in (510 mm) gun on a pivot carriage
Proposed Wiard 20 in (510 mm) gun on a pivot carriage