| Names | N° 22; 23 N° 37-40 N° 51-53 | 
| Builders | Claparède, Rouen: N° 22, 23, 37-40, 51-53 | 
| Completed | 1877: N° 22, 23 1879: N° 37-40 1880: N° 51-53 | 
| Losses | none | 
| Transfers | none | 
| Discarding | 1897-1903: N° 22, 23, 37-40, 51-53 | 
| Displacement normal, t | 33 | 
| Displacement full, t | |
| Length, m | 27.0 wl | 
| Breadth, m | 3.55 | 
| Draught, m | 0.85 | 
| No of shafts | 1 | 
| Machinery | 1 3-cyl VCR, 1 locomotive boiler | 
| Power, h. p. | 320 - 500 | 
| Max speed, kts | 18 | 
| Fuel, t | coal | 
| Endurance, nm(kts) | |
| Armament | N° 22, 23: 1 spar torpedo N° 37-40, 51-53: 2 - 350 TT (bow) | 
| Complement | 
Project history: Ordered in groups on 16.7.1876, 18.11.1878 and 10.2.1879. 22 and 21 had two funnels, the rest one. They made between 18.32kts (22) and 20.79kts (39) on trials.
Modernizations: None.
Naval service: Designated second class TBs in 1883 they were sold or stricken between 1897 and 1903.
© Ivan Gogin, 2014