How about the motorkanonbåt 70. Find this ships very interesting.

Jona
(Odysseus)

Sweden
Submarine Cruiser laid down 1918

Displacement:
1 754 t light; 1 805 t standard; 2 000 t normal; 2 156 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(278,96 ft / 278,87 ft) x 26,25 ft x (19,69 / 20,82 ft)
(85,03 m / 85,00 m) x 8,00 m x (6,00 / 6,35 m)

Armament:
2 - 5,98" / 152 mm 30,0 cal guns - 98,76lbs / 44,80kg shells, 80 per gun
Breech loading guns in deck and hoist mounts, 1918 Model
2 x Single mounts on centreline, forward deck aft
4 - 2,24" / 57,0 mm 45,0 cal guns - 5,70lbs / 2,58kg shells, 150 per gun
Quick firing guns in deck mounts, 1918 Model
4 x Single mounts on sides, forward deck aft
4 raised mounts
Weight of broadside 220 lbs / 100 kg
Main Torpedoes
6 - 21,0" / 533 mm, 26,25 ft / 8,00 m torpedoes - 1,662 t each, 9,972 t total
submerged bow tubes
2nd Torpedoes
2 - 21,0" / 533 mm, 22,97 ft / 7,00 m torpedoes - 1,468 t each, 2,937 t total
submerged bow & stern tubes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,79" / 20 mm 0,79" / 20 mm 0,39" / 10 mm

Machinery:
Diesel Internal combustion engines plus batteries,
Electric cruising motors plus geared drives, 2 shafts, 4 363 shp / 3 255 Kw = 18,00 kts
Range 8 000nm at 10,00 kts
Bunker at max displacement = 351 tons

Complement:
75-90
Cost:
£0,194 million / $0,777 million

Operational depth: 230ft/ 69m
Emerg. dive depth: 345ft/ 103m
Crush depth: 575ft/ 172m


Distribution of weights at normal displacement:
Armament: 65 tons, 3,3 %
- Guns: 40 tons, 2,0 %
- Weapons: 26 tons, 1,3 %
Armour: 12 tons, 0,6 %
- Armament: 12 tons, 0,6 %
Machinery: 157 tons, 7,9 %
Hull, fittings & equipment: 1 019 tons, 51,0 %
Fuel, ammunition & stores: 246 tons, 12,3 %
Miscellaneous weights: 500 tons, 25,0 %
- Hull below water: 500 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1 490 lbs / 676 Kg = 13,9 x 6,0 " / 152 mm shells or 0,5 torpedoes
Stability (Unstable if below 1.00): 1,10
Metacentric height 0,8 ft / 0,2 m
Roll period: 12,2 seconds
Steadiness - As gun platform (Average = 50 %): 2 %
- Recoil effect (Restricted arc if above 1.00): 0,03
Seaboat quality (Average = 1.00): 0,00

Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0,486 / 0,495
Length to Beam Ratio: 10,63 : 1
'Natural speed' for length: 16,70 kts
Power going to wave formation at top speed: 43 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 15,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20,00 %, 0,33 ft / 0,10 m, 0,33 ft / 0,10 m
- Forward deck: 30,00 %, 0,33 ft / 0,10 m, 0,33 ft / 0,10 m
- Aft deck: 35,00 %, 0,33 ft / 0,10 m, 0,33 ft / 0,10 m
- Quarter deck: 15,00 %, 0,33 ft / 0,10 m, 0,33 ft / 0,10 m
- Average freeboard: 0,33 ft / 0,10 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 72,1 %
- Above water (accommodation/working, high = better): 2,0 %
Waterplane Area: 4 815 Square feet or 447 Square metres
Displacement factor (Displacement / loading): 209 %
Structure weight / hull surface area: 131 lbs/sq ft or 637 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 2,61
- Longitudinal: 2,21
- Overall: 2,30
Excellent machinery, storage, compartmentation space
Extremely poor accommodation and workspace room
Ship has quick, lively roll, not a steady gun platform
Caution: Lacks seaworthiness - very limited seakeeping ability

Type XVI
(Hajen, Sälen, Valrossen, Tummlaren, Bävern, Illern, Uttern, Minken)
Swedem Fleet missile submarine laid down 1950

Displacement:
1 846 t light; 1 886 t standard; 2 000 t normal; 2 091 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(295,28 ft / 295,28 ft) x 19,69 ft x (19,69 / 20,43 ft)
(90,00 m / 90,00 m) x 6,00 m x (6,00 / 6,23 m)

Armament:
Main Torpedoes
6 - 21,0" / 533 mm, 26,25 ft / 8,00 m torpedoes - 1,790 t each, 10,740 t total
submerged bow tubes

1 - Rail for Robot 08 SSM/Land-Attck Missle. Active radar homeing to 150km. 4 reloads carried

Machinery:
Diesel Internal combustion motors,
Electric cruising motors plus geared drives, 2 shafts, 3 539 shp / 2 640 Kw = 17,00 kts
Range 10 000nm at 8,00 kts
Bunker at max displacement = 205 tons

Complement:
149 - 194

Cost:
£0,598 million / $2,391 million

Nice to have you back drawing. The cruisers are lovely. The submarines seem to be a bit "thin". Only a 6m beam at a length of 90m seem to small.. Oberon class was about 90X 8 m....