NAVYPEDIA

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RD7 1940  

Ships

Name	No	Yard No	Builder	Laid down	Launched	Comp	Fate
RD1			Arsenale di Castellamare di Stabia	2.1916	7.5.1916	12.1916	stricken 3.1921
RD2			Arsenale di Castellamare di Stabia	2.1916	1.6.1916	12.1916	capsized 16.7.1919
RD3			Arsenale di Castellamare di Stabia	2.1916	16.7.1916	12.1916	stricken 3.1921
RD4			Arsenale di Castellamare di Stabia	2.1916	27.8.1916	1.1917	sunk 29.1.1943
RD5			Arsenale di Castellamare di Stabia	2.1916	17.9.1916	2.1917	stricken 3.1921
RD6			Arsenale di Castellamare di Stabia	3.1916	26.10.1916	2.1917	to Yugoslavia 8.1947 (МЛ301 [ML301])
RD7			Tosi, Taranto	5.1916	28.9.1916	3.1917	sunk 15.6.1942
RD8			Tosi, Taranto	6.1916	17.12.1916	6.1917	stricken 3.1921
RD9			Tosi, Taranto	9.1916	2.2.1917	7.1917	captured by Germany 9.9.1943 (M1226)
RD10			Tosi, Taranto	9.1916	23.3.1917	8.1917	sunk 29.10.1918
RD11			Tosi, Taranto	11.1916	31.5.1917	10.1917	wrecked 1931
RD12			Tosi, Taranto	12.1916	2.7.1917	10.1917	sunk 2.5.1943
RD13			Poli, Chioggia	8.1916	2.7.1917	4.1918	scuttled 9.9.1943
RD14			Poli, Chioggia	8.1916	1917	---	capsized incomplete 3.1.1918
RD15			Arsenale di Castellamare di Stabia	7.1916	14.12.1916	3.1917	stricken 3.1921
RD16			Arsenale di Castellamare di Stabia	8.1916	29.3.1917	4.1917	abandoned 23.7.1943, to Yugoslavia 8.1948 (МЛ302 [ML302])
RD17			Arsenale di Castellamare di Stabia	9.1916	22.4.1917	5.1917	captured by Germany 9.9.1943 (M1227)
RD18			Arsenale di Castellamare di Stabia	11.1916	17.5.1917	5.1917	sunk 5.5.1943
RD19			Arsenale di Castellamare di Stabia	12.1916	10.6.1917	6.1917	stricken 3.1921
RD20			Arsenale di Castellamare di Stabia	2.1917	14.7.1917	8.1917	sunk 11.4.1943
RD21			Arsenale di Castellamare di Stabia	7.1917	26.11.1917	1.1918	to Yugoslavia 8.1948 (МЛ303 [ML303])
RD22			Arsenale di Castellamare di Stabia	8.1917	31.12.1917	2.1918	sunk 25.10.1943
RD23			Arsenale di Castellamare di Stabia	10.1917	21.1.1918	2.1918	sunk 5.5.1943
RD24			Arsenale di Castellamare di Stabia	11.1917	4.3.1918	3.1918	capsized 18.2.1943
RD25			Arsenale di Castellamare di Stabia	12.1917	4.4.1918	5.1918	abandoned 16.8.1943, to Yugoslavia 8.1948 (МЛ304 [ML304])
RD26			Arsenale di Castellamare di Stabia	12.1917	15.5.1918	6.1918	captured by Germany 9.9.1943 (M1228)
RD27			Tosi, Taranto	10.1917	16.9.1918	10.1918	to Yugoslavia 8.1948 (МЛ305 [ML305])
RD28			Tosi, Taranto	12.1917	18.7.1918	12.1918	to Yugoslavia 9.1948 (МЛ306 [ML306])
RD29			Tosi, Taranto	2.1918	28.8.1918	1.1919	to Yugoslavia 9.1948 (МЛ307 [ML307])
RD30			Tosi, Taranto	3.1918	22.10.1918	2.1919	sunk 26.12.1942
RD31			Arsenale di Castellamare di Stabia	4.1918	30.12.1918	1.1919	sunk 20.1.1943
RD32	1953- M5332		Arsenale di Castellamare di Stabia	4.1918	8.2.1919	2/1919	discarded 6.1956
RD33			Arsenale di Castellamare di Stabia	6/1918	20.3.1919	4/1919	capsized 22.1.1943
RD34	1953- M5334		Arsenale di Castellamare di Stabia	12/1918	12.5.1919	7.1919	discarded 6.1956
RD35			Arsenale di Castellamare di Stabia	2/1919	17.7.1919	8/1919	captured by Germany 13.9.1943 (M1229)
RD36			Arsenale di Castellamare di Stabia	3/1919	11.8.1919	11/1919	sunk 20.1.1943
RD37			Arsenale di Castellamare di Stabia	5/1919	2.10.1919	2/1920	sunk 20.1.1943
RD38			Arsenale di Napoli	5/1919	28.8.1919	7/1921	sunk 18.5.1943
RD39			Tosi, Taranto	1/1918	27.7.1919	11/1919	sunk 20.1.1943
RD40	1953- M5340		Tosi, Taranto	11/1918	16.10.1919	3/1920	discarded 4.1955
RD41	1953- M5341		Tosi, Taranto	1/1919	12.12.1919	3/1920	discarded 1.1953
RD42			Tosi, Taranto	3/1919	5.2.1920	5/1920	sunk 5.5.1943
RD43			Tosi, Taranto	6/1919	12.4.1920	7/1920	capsized 22.1.1943
RD44			Tosi, Taranto	10/1919	6.6.1920	10/1920	sunk 5.5.1943
RD45			Pattison, Napoli	8/1918	3.4.1920	7/1920	stricken 11.1921
RD46			Pattison, Napoli	8/1918	29.5.1920	8/1920	discarded 3.1923
RD47			Pattison, Napoli	10/1918	30.8.1920	2/1921	discarded 3.1923
RD48			Pattison, Napoli	10/1918	26.1.1921	4/1921	discarded 3.1923
RD49			Pattison, Napoli	6/1919	24.11.1921	3/1922	captured by Germany 9.9.1943 (TR106)
RD50			Cerusa, Voltri	12/1917	21.6.1919	8/1919	stricken 11.1921
RD51			Cerusa, Voltri	1/1918	9.10.1919	1/1920	discarded 2.1922
RD52			Cerusa, Voltri	1/1918	9.2.1919	3/1920	stricken 11.1921
RD53			CNR, Palermo	1918	---	---	cancelled 1919
RD54			CNR, Palermo	1918	---	---	cancelled 1919
RD55			Migliardi, Savona	11/1918	16.2.1923	7/1925	sunk 25.5.1943
RD56			Migliardi, Savona	11/1918	14.3.1923	10/1925	sunk 9.1.1943
RD57			Migliardi, Savona	1/1919	6.3.1923	11/1926	sunk 5.5.1943

Technical data

Displacement normal, t	RD1 - 6, 13, 14: 196 RD7 - 12: 216 RD15 - 26: 201 RD27 - 30, 38: 200 RD31 - 37: 207 RD39 - 44: 203 RD45 - 49, 55 - 57: 212 RD50 - 52: 302
Displacement full, t
Length, m	RD1 - 6, 13 - 20: 35.3 RD7 - 12, 55 - 57: 35.5 RD21 - 37, 39 - 44: 36.5 RD38: 36.0 RD45 - 49: 38.0 RD50 - 52: 34.0
Breadth, m	RD1 - 44, 55 - 57: 5.80 RD45 - 49: 6.00 RD50 - 52: 7.20
Draught, m	RD1 - 26, 38: 2.10 RD27 - 30: 2.00 RD31 - 37, 39 - 44, 55 - 57: 2.20 RD45 - 49: 1.90 RD50 - 52: 2.50
No of shafts	1
Machinery	1 VTE, 1 boiler
Power, h. p.	RD1 - 6, 13 - 20: 800 RD7 - 12: 1000 RD21 - 26: 880 RD27 - 30: 970 RD31 - 37: 860 RD38: 820 RD39 - 44: 750 RD45 - 49: 810 - 1150 RD50 - 52: 590 RD55 - 57: 870
Max speed, kts	RD1 - 6, 13, 14, 21 - 26, 31 - 37: 13 RD7 - 12, 15 - 20, 27 - 30, 39 - 44: 14 RD38: 12 RD45 - 49, 55 - 57: 12.5 RD50 - 52: 10
Fuel, t	coal
Endurance, nm(kts)	RD1 - 6: 630(12) RD7 - 12: 750(14) RD13, 14: 760(12.5) RD15 - 20: 600(12) RD21 - 26: 650(11) RD27 - 20: 760(13) RD31 - 37: 660(10.5) RD38, 55 - 57: 700(11) RD39 - 44: 700(12.5) RD45 - 49: 740(12) RD50 - 52: 620(10)
Armament	1 x 1 - 76/40 A1916 or A1917 or An1916 or An1917, 2 x 1 - 6.5/115, mechanical minesweeping gear
Complement	22

Standard scale images

Graphics

Project history

Tugs-minesweepers. Suffered from low stability and bad seaworthiness. Wooden hulls.

Modernizations

1920s, RD7: - 1 x 1 - 76/40; + 1 x 1 - 76/50 Vickers 1909.

Naval service

Incomplete RD14 capsized and sunk 3.1.1918 between Porto Corsini and Ancona under tow for completion. RD11 was sunk by mine 29.10.1918 off Cape Rodoni. RD2 capsized 16.7.1919 off Ancona. RD11 grounded in 1931 near Porto Palo (Sicily). RD7 was sunk 15.6.1942 in Saronic Gulf by mine or submarine torpedo. RD30 was bombed 26.12.1942 at Bizerta by Allied aircraft. RD56 was sunk 9.1.1943 at Bizerta by Allied aircraft, salvaged and again sunk by aircraft 24.3.1943 at the same place. RD31, RD36, RD37 and RD39 were sunk 20.1.1943 off Zuara by British destroyers Kelvin and Javelin. RD33 and RD43 capsized 22.1.1943 in the Gulf of Tunis. RD4 was bombed by Allied aircraft in "The Narrows" 29.1.1943. RD24 capsized 18.2.1943 W of Sicily. RD20 was sunk 11.4.1943 by Allied aircraft at Trapani. RD12  was sunk by Allied aircraft 2.5.1943 off Cape Bon. RD18, RD23, RD42 and RD57 were sunk 5.5.1943 at La Goulette (Tunisia) by Allied bombs. RD44 was sunk 5.5.1943 by Allied aircraft off Bizerta. RD38 was sunk 18.5.1943 at Trapani by Allied aircraft. RD55 was sunk 25.5.1943 off Messina by Allied aircraft. RD16 abandoned 23.7.1943 at Trapani in damaged condition, later repaired and transferred to Yugoslavia in August, 1948 as ML302. RD25 was abandoned 26.8.2943 near Messina, salvaged in 1945 and transferred to Yugoslavia as ML304. RD9, RD17 and RD26 were abandoned 9.9.1943 at Piraeus and captured by Germans. RD13 was scuttled 9.9.1943 at Viareggio. RD49 was captured by Germans 9.9.1943 at La Spezia and scuttled in 1945. RD35 was captured by Germans 13.9.1943 at Syra (Aegean). RD22 was mined off Brindisi 25.10.1943.