 The basic design of the "Chikuma"-class cruisers was modeled after the Royal Navy with some modifications and was also largely influenced by the design of the cruiser .The silhouette of the "Chikuma" class was readily distinguishable due to its four smokestacks.Contrary to many popular publications, the protection of the "Chikuma" class was similar to the "Tone" class, and they remained protected cruisers, without an armoured belt.