1PN (series I) torpedo boats

1PN 1912

Name	No	Builder	Laid down	Launched	Comp	Fate
1PN		Pattison, Napoli	2/1910	18/1/1911	6/1911	stricken 2/1925
2PN		Pattison, Napoli	2/1910	3/2/1911	7/1911	stricken 7/1929
3PN		Pattison, Napoli	2/1910	24/4/1911	8/1911	stricken 11/1928
4PN		Pattison, Napoli	2/1910	29/6/1911	9/1911	stricken 3/1928
5PN		Pattison, Napoli	2/1910	5/9/1911	10/1911	sunk 27/6/1915
6PN		Pattison, Napoli	2/1910	6/11/1911	1/1912	stricken 2/1925
7PN		Pattison, Napoli	3/1911	18/4/1912	8/1912	stricken 2/1932
8PN		Pattison, Napoli	3/1911	14/5/1912	8/1912	stricken 2/1925
9PN		Pattison, Napoli	6/1911	26/7/1912	10/1912	stricken 2/1932
10PN		Pattison, Napoli	9/1911	18/9/1912	12/1912	stricken 2/1925
11PN		Pattison, Napoli	11/1911	21/11/1912	3/1913	stricken 2/1925
12PN		Pattison, Napoli	2/1912	1/1/1913	4/1913	stricken 2/1932
13OS		Odero, Sestri Ponente	11/1910	16/11/1911	3/1912	stricken 12/1927
14OS		Odero, Sestri Ponente	11/1910	5/12/1911	4/1912	stricken 2/1925
15OS		Odero, Sestri Ponente	11/1910	27/1/1912	5/1912	stricken 6/1930
16OS		Odero, Sestri Ponente	11/1910	28/3/1912	6/1912	stricken 4/1929
17OS		Odero, Sestri Ponente	12/1910	16/4/1912	7/1912	sunk 3/7/1915
18OS		Odero, Sestri Ponente	12/1910	7/5/1912	7/1912	stricken 3/1927
19OS		Odero, Sestri Ponente	12/1910	8/6/1912	8/1912	stricken 2/1930
20OS		Odero, Sestri Ponente	1/1911	29/6/1912	1/1913	stricken 2/1925
21OS		Odero, Sestri Ponente	1/1911	25/7/1912	1/1913	stricken 2/1925
22OS		Odero, Sestri Ponente	2/1911	17/8/1912	12/1912	stricken 2/1925
23OS		Odero, Sestri Ponente	3/1911	12/9/1912	3/1913	stricken 4/1925
24OS		Odero, Sestri Ponente	3/1911	13/9/1912	3/1913	stricken 12/1927
25AS		Ansaldo, Sestri Ponente	1/1911	15/5/1912	11/1912	stricken 11/1925
26AS		Ansaldo, Sestri Ponente	1/1911	6/7/1912	3/1913	stricken 9/1928
27AS		Ansaldo, Sestri Ponente	1/1911	5/8/1912	1/1913	stricken 2/1925
28AS		Ansaldo, Sestri Ponente	2/1911	17/8/1912	1/1913	stricken 2/1925
29AS		Ansaldo, Sestri Ponente	2/1911	14/9/1912	2/1913	stricken 2/1932
30AS		Ansaldo, Sestri Ponente	2/1911	12/10/1912	3/1913	stricken 2/1925
31AS		Ansaldo, Sestri Ponente	4/1911	4/1/1913	7/1915	stricken 1/1923
32AS		Ansaldo, Sestri Ponente	4/1911	17/6/1913	8/1914	stricken 1/1923
33PN		Pattison, Napoli	8/1912	2/5/1913	7/1913	stricken 2/1931
34PN		Pattison, Napoli	8/1912	1/5/1913	7/1913	stricken 2/1932
35PN		Pattison, Napoli	10/1912	22/5/1913	8/1913	stricken 2/1932
36PN		Pattison, Napoli	12/1912	7/6/1913	9/1913	sunk 10/11/1918
37PN		Pattison, Napoli	3/1913	29/7/1913	10/1913	stricken 2/1925
38PN		Pattison, Napoli	3/1913	25/8/1913	12/1913	stricken 2/1932

Displacement normal, t	120
Displacement full, t	134 - 143
Length, m	42.5
Breadth, m	4.60
Draught, m	1.40 - 1.50
No of shafts	2 31AS: 3
Machinery	VTE, 2 Thornycroft boilers 31AS: Parsons steam turbines, 2 Thornycroft boilers 32AS: Bergmann steam turbines, 2 Thornycroft boilers
Power, h. p.	3200
Max speed, kts	27
Fuel, t	oil 16
Endurance, nm(kts)	175(27)
Armament	1 x 1 - 57/43 Nordenfelt, 2 x 1 - 450 TT
Complement	23 - 30

Ship project history: Torpedo boats, as a whole were considered rather successful (with reference to Adriactic Sea theatre) ships. 31AS and 32AS instead of steam engines were equipped with turbines, but have appeared more expensive and less reliable.

Modernizations: 1915 - 1916, 1PN - 4PN, 7PN, 8PN, 26AS - 30AS: + (8 - 10) mines

1916 - 1918, all survived but 6PN: - 1 x 1 - 57/43; + 1 x 1 - 76/40 Armstrong 1916, 1 x 1 - 76/30 Armstrong 1914, 1 x 1 - 6.5/80

1916 - 1918, 6PN: - 1 x 1 - 57/43; + 1 x 1 - 76/40 Armstrong 1916, 1 x 1 - 76/30 Armstrong 1914

Naval service: 5PN was sunk 27/6/1915 by German submarine UB1 (Austrian U10) off Venice, 17OS was sunk 3/7/1915 from explosion of own mine near Istrian coast and 36PN 10/11/1918 was mined near Albanian coast.

8PN 1912

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TORPEDO SHIPS

1PN (series I) torpedo boats