Terran House using (TOS) Romulan Bird of Prey

[Water Bob]

Pic of a house on Earth using a warp nacelle from a (TOS) Romulan Bird of Prey for power!

 

[Mustrum_Ridcully]

But isn't the warp nacelle just there to generate a subspace field, and the actual energy source is somewhere in the main part of the section? Of course, we don't know much about Romulan Bird of Preys of that area.