NAVYPEDIA

Photo

Ronis 1927

Ships

Name	No	Yard No	Builder	Laid down	Launched	Comp	Fate
Ronis			A C de la Loire, Nantes, France	1925	1.7.1926	1927	to USSR 13.8.1940 (Ронис [Ronis])
Spidola			A C de la Loire, Nantes, France	1925	6.10.1926	1927	to USSR 13.8.1940 (Спидола [Spidola])

Technical data

Displacement standard, t
Displacement normal, t	390 / 514
Length, m	55.0
Breadth, m	4.80
Draught, m	3.60
No of shafts	2
Machinery	2 Sulzer diesels / 2 electric motors
Power, h. p.	1300 / 700
Max speed, kts	14 / 9
Fuel, t	diesel oil 19
Endurance, nm(kts)	1600(14) / 85(4.5)
Armament	1 x 1 - 75/35 M1925, 6 - 450 TT (2 bow, 2 x 2 turnable, 8)
Complement	27
Diving depth operational, m	50

Standard scale images

Graphics

Project history

Loire-Simonot designed submarines. Double-hulled, TTs were arranged traditionally for French designs: 2 fixed tubes were installed in the bow of pressure hull and two twin mounts were installed in the superstructure and closed by folding shields. Turnable TTs can be reloaded only in the base.

Modernizations

None.

Naval service

13/87/1940 both submarines were incorporated into Soviet Navy under former names.