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FIGHTING SHIPS OF THE WORLD
UNITED KINGDOM
TORPEDO SHIPS
TB99 torpedo boats (2, 1885 - 1886)


Ships


Names Builders Completed Losses Transfers Discarded

TB99, 100

Thornycroft, Chiswick: TB99, 100

1885: TB99

1886: TB100

none

none

1907: TB99

1908: TB100



Technical data


Displacement normal, t

12

Displacement full, t 
Length, m

19.8 oa 19.2 pp

Breadth, m

2.44

Draught, m1.07
No of shafts

1

Machinery

TB99: 1 2-cyl VC, 1 locomotive boiler

TB100: 1 2-cyl VC, 1 Thornycroft water-tube boiler

Power, h. p.TB99: 189
Max speed, kts

TB99: 16.8

Fuel, t

coal

Endurance, nm(kts) 
Armament

2 - 356 TT (bow)

Complement

7



Ship project history


The concept of purpose-built small TBs capable of being lifted by the davits of large ships seems to have originated with the Royal Navy; certainly more were built for that service than for any other. One TB carrier, Vulcan, was specially built to carry them, and for some years numbers of this type of boat were built. However, in the long run experience showed it was better to use the slower but much sturdier and more seaworthy steam pinnaces for this purpose, rather than the frail specially built Second Class boats.

TB100 was fitted with one of the earliest Thornycroft water-tube boilers, whilst her sister still had a locomotive boiler. It was on these boats that the Thomycroft 'semi-tunnel' stern, with double rudders almost enclosing the propeller, was introduced. This gave them very good turning ability.

Modernizations


None.

Naval service


No significant events.