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TG1/16, Atlantis torpedo gunboat laid down 1904

Displacement:
908 t light; 935 t standard; 1,073 t normal; 1,179 t full load
Loading submergence 113 tons/feet

Dimensions:
230.00 ft x 28.00 ft x 12.00 ft (normal load)
70.10 m x 8.53 m x 3.66 m

Armament:
2 - 4.00" / 102 mm guns
2 - 1.00" / 25 mm guns
4 - 0.76" / 19 mm guns
Weight of broadside 66 lbs / 30 kg
2 - 18.0" / 457.2 mm above water torpedoes, 1 - 18.0" / 457.2 mm submerged torpedo tubes

Armour:
Main gun shields 1.00" / 25 mm

Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 4,899 ihp / 3,654 Kw = 20.10 kts
Range 4,000nm at 10.00 kts

Complement:
93 - 121

Cost:
£0.115 million / $0.460 million

Distribution of weights at normal displacement:
Armament: 8 tons, 0.8 %
Armour: 2 tons, 0.2 %
Belts: 0 tons, 0.0 %, Armament: 2 tons, 0.2 %, Armour Deck: 0 tons, 0.0 %
Conning Tower: 0 tons, 0.0 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 546 tons, 50.8 %
Hull, fittings & equipment: 332 tons, 30.9 %
Fuel, ammunition & stores: 165 tons, 15.4 %
Miscellaneous weights: 20 tons, 1.9 %

Metacentric height 1.5

Remarks:
Hull space for machinery, storage & compartmentation is cramped
Room for accommodation & workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable and able to fight her guns in the heaviest weather

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.53
Shellfire needed to sink: 453 lbs / 205 Kg = 14.2 x 4.0 " / 102 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0.2
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 71 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.09
Relative quality as seaboat: 1.81

Hull form characteristics:
Block coefficient: 0.486
Sharpness coefficient: 0.35
Hull speed coefficient 'M': 6.87
'Natural speed' for length: 15.17 kts
Power going to wave formation at top speed: 58 %
Trim: 39
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 182.3 %
Relative accommodation and working space: 82.3 %
(Average = 100%)
Displacement factor: 70 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.90
(Structure weight / hull surface area: 43 lbs / square foot or 210 Kg / square metre)
Relative longitudinal hull strength: 2.76
(for 12.00 ft / 3.66 m average freeboard, freeboard adjustment 2.31 ft)
Relative composite hull strength: 1.00

It'll have a tough time getting into firing position in one piece. At only 20kts, it'll be riddled by enemy secondaries before it gets into range.

The German S120 (1904), at 390 tons, made 28kts.

The speed is a result of it being based on a british design of 1892/93. With an increase in speed she would inevitably grow in size.

Check out the swedish Örnen class, torpedo-cruisers. They are of a very similar size and arnament to your ship.

...including a very similar date of completion, and one also bears your name!