Principal Dimensions and Weights of Field-Gun Carriages and Limbers

 
Dimensions (Inches) 
6-pound Gun and
12-pounder Howitzer
24-pounder
Howitzer
12-pound Gun and
32-pounder Howitzer
Prairie Carriage
Distance between the inside of the trunnion-plates
 9.6 
11.65 
12.15 
7.0 
Diameter of the trunnion-holes
 3.7 
 4.25 
 4.65 
 2.75 
Depth of the center of trunnion-hole below the upper face of the trunnion-plate
 1.0 
 0.95 
 0.95 
 0.6 
Distance of axis of trunnions in rear of axis of axle-tree, the piece being in battery on horizontal ground
 0.5 
 1.0 
 0.8 
 3.45 
Distance from axis of trunnions to axis of axle-tree
 14.65 
 16.2 
 16.6 
 10.4 
Height of axis of trunnions above the ground
 43.1 
 44.8 
 45.2 
 30.5 
Vertical field of fire, above the horizontal line - Gun
 12° 
 ----- 
 13° 
 
Vertical field of fire, above the horizontal line - Howitzer
 13° 
 13 
 12° 
 8°45' 
Vertical field of fire, below the horizontal line - Gun
 8° 
 ------ 
 7° 
 
Vertical field of fire, below the horizontal line - Howitzer
 5°
 8° 
 5° 
 4° 
Distance between the points of contact of trail and wheels with the ground-line
 74.4 
 79.8 
 79.8 
 48.0 
Distance from front of wheels to end of trail, the piece being in battery
 116.6 
 122.75 
 122.75 
 83.0 
Distance of the muzzle of the piece in battery from the front of the wheels - Gun, in front of wheels
 5.91 
 ----- 
 15.7 
 
Distance of the muzzle of the piece in battery from the front of the wheels - Howitzer, in front of wheels
 ----- 
 5.9 
 12.7 
 7.0 
Distance of the muzzle of the piece in battery from the front of the wheels - Howitzer, in rear of wheels
 1.09 
 
 
 
Length of gun-carriage without wheels
 104.4 
  111.4 
 113.5 
68.0 
Length of limber without wheels
 161.2 
161.2 
161.2 
141.0 
Length of limber without wheels or pole
 52.85 
 52.85 
 52.85 
 37.5 
Length of limber with the wheels and pole
 173.08 
  173.08 
 173.08 
 152.0 
Length of limber without pole
64.68 
64.68 
64.68 
48.5 
Distance between the centers of the axle-trees of the gun-carriage and the limber
 96.0 
 101.7 
101.7 
64.0 
Length of the carriage limbered up
 269.08 
 274.78 
 274.78 
 216.0 
Distance from the muzzle of the piece, when limbered, to the front pole - Gun
 279.1 
 ----- 
 294.0 
 
Distance from the muzzle of the piece, when limbered, to the front pole - Howitzer
 272.1 
 283.78 
 291.0 
 
Whole length of the axle-tree
 78.84 
 78.84 
 78.84 
 54.0 
Track of the wheels
 60.0 
 60.0 
  60.0 
 42.5 
Height of wheel
 57.0 
57.0 
57.0 
 42.0 
Dish of finished wheel
1.5 
1.5 
1.5 
1.0 

The gun-carriage.


 
Weights (In Pounds) 
6-pound Gun and
12-pounder Howitzer
24-pounder
Howitzer
12-pound Gun and
32-pounder Howitzer
Prairie Carriage
Gun-carriage, without wheels
 540 
736 
783 
257 
Limber, without wheels or ammunition chest
 335 
 335 
 335 
 163 
Ammunition chest, without divisions
 165 
 165 
 165 
 
One wheel - Gun carriage
 180 
 196 
 196 
 69 
One wheel - Limber
 180 
 180 
 180 
 69 
Gun-carriage complete, without implements
 900 
 1,128 
 1,175 
 363 
Limber complete, without implements
 860 
 860 
 860 
 343 
Gun-carriage and limber complete, without implements
 1,760 
 1,988 
 2,035 
 720 

Note - The 12-pounder Gun, model 1857, is mounted on the same carriage as the 24-pounder Howitzer. The cheeks are a little shortened, and the elevating-screw is brought forward. The distance of the axis of the trunnions in the rear of the axle-tree is 0.25 inches. The weight of the trail on the ground is 216 pounds.

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