Fusion Engine - Compact

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A Compact Fusion Engine is similar to a Fusion Engine, but utilizes denser radiation shielding and other features to reduce the engine's volume by half. There is a weight penalty for the density; compact fusion engines are 50% heavier than the standard fusion engine[1], limiting its use to 'Mechs that require a lot of internal space and/or have tonnage to spare. One benefit of this arrangement is that penetrating hits are less likely to hit the smaller profile of the compact fusion engine than they would a bulkier standard fusion engine.

A relatively new concept, few base variant 'Mechs utilize this engine. Among BattleMechs that use the compact fusion engine are the Word of Blake's Archangel and the Draconis Combine's Wight.


  1. TechManual, p. 214