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Description

Design B of the 1939 series of Heavy cruiser proposals created for the requirements of DNC. While A was a 32knot design with a standard 80K shp powerplant but almsot 500tons heavier then the desire 10.000tons displacement, in design B the engine power and thus the maximum speed was reduced to 58.000shp and 30knots speed. This smaller powerplant saved around 350tons of weight only, but the the desired displacement now come much closer to the desired value.
Essentially Design B sacraficed speed for reduced displacement.
I've used the 1st attempt layout for this drawing in John's sketch paper.

The design had these characteristics:

Dimensions: 176,78m(wl) x 20,12m
Displacement: 10.090tons (Standard)
Engines: 58.000shp Parsons Steam Turbines, 4 shafts

Speed: 56km/h (30knots)
Range: 18.500km at 28km/h (10000nm at 15knots)
Armour: 51mm Deck, 127mm Belt
Armaments:

3x3 8"/50 (203mm/50) BL Mk IX Cannons

4x2 4"/45 (102mm/45) QF Mk XVI DP-AA Guns

4x4 40mm/39 QF Mark VIII Pom-Pom AA Guns

4x4 12,7mm/60 MG Mk III AA Guns
2x3 533mm Torpedo Tubes

2x Floatplanes

Sensor suite:
1x Type 79 Air-search Radars on top of the main mast
1x Type 272 Surface search Radar on the main mast behind the main director

1x Type 281 Air-warning Radar on top of the aft mast
4x Type 282 Fire-control Radar sets one for each Pom-Pom director
2x Type 284 Fire-control Radar on the main armament director/rangefinder
4x Type 285 Fire-control Radar sets one for each secondary armament director/rangefinder and for the aft main director
2x Type 290 Air-warning Radar on top of the masts

Official sketch drawings:
i.imgur.com/VRK69r1.jpg

Description

Design B of the 1939 series of Heavy cruiser proposals created for the requirements of DNC. While A was a 32knot design with a standard 80K shp powerplant but almsot 500tons heavier then the desire 10.000tons displacement, in design B the engine power and thus the maximum speed was reduced to 58.000shp and 30knots speed. This smaller powerplant saved around 350tons of weight only, but the the desired displacement now come much closer to the desired value.
Essentially Design B sacraficed speed for reduced displacement.
I've used the 1st attempt layout for this drawing in John's sketch paper.

The design had these characteristics:

Dimensions: 176,78m(wl) x 20,12m
Displacement: 10.090tons (Standard)
Engines: 58.000shp Parsons Steam Turbines, 4 shafts

Speed: 56km/h (30knots)
Range: 18.500km at 28km/h (10000nm at 15knots)
Armour: 51mm Deck, 127mm Belt
Armaments:

3x3 8"/50 (203mm/50) BL Mk IX Cannons

4x2 4"/45 (102mm/45) QF Mk XVI DP-AA Guns

4x4 40mm/39 QF Mark VIII Pom-Pom AA Guns

4x4 12,7mm/60 MG Mk III AA Guns
2x3 533mm Torpedo Tubes

2x Floatplanes

Sensor suite:
1x Type 79 Air-search Radars on top of the main mast
1x Type 272 Surface search Radar on the main mast behind the main director

1x Type 281 Air-warning Radar on top of the aft mast
4x Type 282 Fire-control Radar sets one for each Pom-Pom director
2x Type 284 Fire-control Radar on the main armament director/rangefinder
4x Type 285 Fire-control Radar sets one for each secondary armament director/rangefinder and for the aft main director
2x Type 290 Air-warning Radar on top of the masts

Official sketch drawings:
i.imgur.com/VRK69r1.jpg