Design 230 was offered at the same time (June 1906) as Design 229.
Difference being the removal of the side single 12" turrets but armour increased from 9" to 10" belt as well as a large amount of 4,7" guns were to be carried, numbering 28!
The design had the following characteristics:
Dimensions: 134,11 (pp) 144,1 (wl) x 23,47 x 7,54m
Displacement: 15.750tons (standard)
Armour: 25mm Deck, 254mm Belt
Engines: Unknown shp, Vertical Triple Expansion Engines, 2 shafts
Speed: 36km/h (19,5knots)
Armaments:
2x2 12"/45 (305mm/45) Vickers Mk B Cannons,
4x2 10"/50 (254mm/50) Vickers Mk C Guns,
28x1 4,7"/50 (120mm/50) Vickers Mk A Guns,
4x1 457mm Underwater Torpedo Tubes