I love the design of the mechs in Paolo Parente's Dust Universe and I wanted to create something similar that can be used in a wh40K game, so i came up with the following idea (really simple actually): put a turret on th top of a Sentinel.
The new Hellhound turret looks much better but for now I have to use the Chimera's one since it's the only one available to me right now.
This is the initial concept: