| Names | N° 5, 6 | 
| Builders | Thornycroft, Chiswick, UK: N° 5, 6 | 
| Completed | 1876: N° 5, 6 | 
| Losses | none | 
| Transfers | none | 
| Discarding | 1887: N° 5 1888: N° 6 | 
| Displacement normal, t | 12 | 
| Displacement full, t | |
| Length, m | 20.4 | 
| Breadth, m | 2.59 | 
| Draught, m | 1.02 | 
| No of shafts | 1 | 
| Machinery | 1 CR, 1 locomotive boiler | 
| Power, h. p. | 220 | 
| Max speed, kts | 18 | 
| Fuel, t | coal | 
| Endurance, nm(kts) | |
| Armament | 2 spar torpedoes | 
| Complement | 8 | 
Project history: These were the most successful of the French trial boats, and were typical Thornycroft products.
Modernizations: None.
Naval service: By the 1880s they were being used for instruction. No.6 was stricken in May 1888 but was renamed Lupin and employed on Rochefort's underwater defences until 1890.
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