| Designation |
4.7"/45 (12 cm) 3rd Year Type (Model 1914)
12 cm/45 (4.7") 3rd Year Type (Model 1914)
12 cm/45 (4.7") 11th Year Type (Model
1922) |
| Ship Class Used On |
3rd Year Type: Momi, Minekaze, Wakatake,
Kamikaze and Mutsuki classes
11th Year Type Marks J and L: I.153
and I.171 classes
11th Year Type Mark M: Ootori class
11th Year Type Mark M used to rearm Tomodzuru
class |
| Date Of Design |
1914 / 1922 |
| Date In Service |
about 1920 |
| Gun Weight |
about 3 tons (3.1 mt) |
| Gun Length oa |
Most models: 218.5 in (5.550 m)
Models J and L: 212.6 in (5.400
m) |
| Bore Length |
Most models: 212.6 in (5.400 m)
Models J and L: 207.5 in 5.270 m) |
| Rifling Length |
Most models: 181.1 in (4.601 m)
Models J and L: 176.0 in (4.471
m) |
| Grooves |
Model Type V: (36) 0.040 in deep
x 0.253 in (1.02 mm x 6.43 mm)
Model Type VII: (34) 0.057 in deep
x 0.263 in (1.45 mm x 6.68 mm)
Others: N/A |
| Lands |
0.173 in (4.40 mm) |
| Twist |
Uniform RH 1 in 28 |
| Chamber Volume |
637 in3 (10.44 dm3) |
| Rate Of Fire |
about 5 rounds per minute |
| Note: Model M may have
been of the same dimensions as Models J and L. |
