Other wrinkles & tactics...
1) Hydrogen has more lift than other gasses, which means it may be possible for the raiders to use a classic aerial combat tactic- attacking from above. If they maneuver properly, the raiders may be able to attack from their target's blind spot and even land boarding parties on the ship before anyone is even aware they're there.
2) The "rocket" engines may be even equipped on smaller "sky sleds"- essentially, 1-man air craft- for shock troops launched from raider "carriers". (I used (non-rocket) sky sleds in a Supers campaign set in 1900, which was in turn inspired by similar vehicles in a Michael Moorcock story.)
As an aside, rocket powered sky sleds would look really cool in a night attack. You tell the players their PCs spot some shooting stars that seem as if they're coming right at the airship and see if any of them realize that the fit is about to hit the shan.
3) Instead of sky sleds, you could have the raiders' shock troops using wing/sky/bird suits, again, launched from raider "carriers" overhead. They use small grappling hooks to grab the shell of the airships, slowing them down enough to land while simultaneously opening paths of ingress and reducing their target's lift...
YouTube - sky diving and stuff like that bird suit
YouTube - Flying Suit ..Extreme Base jumping
YouTube - The best wing suit /skydive from you tube PART1
OHMAIGAWSH!!! this is possibly the coolest idea yet!!!!!!!!!!! the only problem is that my PC's would try to capture one or more of the suits (i know how they think

Last edited: