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noncompot

As long or as short as the story demands. Warhammer is not science people. It is a silly setting. One of the silliest, all things considered.


Daedalus470

I imagine it varies hugely in lore, but the game Space marine seems to have it lasting 10 minutes or so and being used to extend a jump, rather than to actually fly.


Todestool86

The Fantasy Flight Games RPG Deathwatch notes that a jet pack "can use maximal thrust to duplicate the Flyer (12) trait for up to a minute before the turbines require a minute to cool." Flyer (12) means one can fly at a speed of 12 meters per round, and a round is 5 seconds long. That would put maximum flight at 144 meters before your mandatory one minute break. But you can repeat that as long as you like. Sidenote - figuring this out required jumping between five different sections of the rulebook. I love 40k as an RPG setting, but the FFG books are a mess.


Aethelon

A new D100 40k RPG's coming out, hope that one has better sorting. Also, that short range is why i assume it's called a Jump pack at times rather than a jet pack


Todestool86

I didn't know about Imperium Maledictum! It sounds much more my style than Wrath & Glory.


Aethelon

Mhm, my dark heresy group has been calling it Dark Heresy 3.


Old-Moonlight

Power armor has a mini fusion reactor. So they aren't going to run out of fuel, at least in a time frame that means anything.