After converting the navigational cogitator, why not continue with this:
Aiolos Inhalator in Epic Roleplay:
Aiolos Inhalator
When using an Aiolos inhaltor, a navigator tests morale. If successful, roll a D10 and reduce either the real time or the warp time roll by this amount (minimum 1). If unsuccessful, roll a D10 and randomly increase either the real time or the warp time roll by this amount (maximum 1).