| Displacement | 530t |
|---|---|
| Length | 51.0m pp, 54.5m wl |
| Width | 9.1m |
| Draught | 4.2m |
| Machinery | 1-shaft recipro, 280ihp |
| Speed | 12kt |
| Armament | 6 gun |
| Complement | ? |
| Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|
| Yoshun | - | USA Massachusetts? | ? | 1861 | ? | Akita clan navy (Yoshun-Maru) | 1868. 8.25 rent 1869. 8.10 return |