Here's a link to the "Grav Armor for FUBAR" rules I wrote for my Topgun range of 15mm Sci-Fi Grav Tanks:
link
You can scroll down on the FUBAR links page, to the 15mm Sci-Fi section, to find the "One Page" rules (front and back), as well as the stats I created for my range of vehicles, and some of those from GZG and Critical Mass (neither companies approved of the ratings for their vehicles, so they are unofficial, and my personal opinions). Those can be easily changed, and I suspect you can derive ratings for any others that you desire, from the examples provided, say for Old Crow, Combat Wombat (really miss these, Scotty), Rebel Minis, and others.
Make sure to grab a copy of the Excel stats sheet to go with the rules too, to facilitate game play.
I strongly recommend that with my rules, you use the optional D10 Die Activation Process instead of using the standard D6s for FUBAR for that, since otherwise the lower-tech level forces will be terribly over-matched and unable to activate far too often.
Using the D10s still permits some differentiation between the forces, especially over time (numerous turns), but lower quality troops and vehicles are able to activate more often than with the D6s.
There ARE orbital insertions rules for these, but they should only be permitted for the more advanced Grav Armor designs – the older-style, Grav vehicles with side pod repulsors are early/ancient tech, are more vulnerable to enemy fire, and can only be inserted from orbit on pallets, or inside drop ships. They are also unable to climb more than a few meters above the surface of a planet, due to very limited grav repulsor power, so cannot fly at tree-top level or above, unlike the more sophisticated ones produced later.
I don't have any stats for tracked or GEV vehicles, but those are pretty easy to create if desired. They'll just be slower, unable to insert from orbit, unless on "drop pads" equipped with anti-grav, or rocket-powered tech, etc., and far more likely to be adversely affected by difficult terrain. Grav vehicles can freely fly or cruise above those, so are unaffected by it.
They are a generic set of rules, so you can use them with any miniatures and scales. Using 1/300th minis with these will make the high speeds of the vehicles look even more impressive on the tabletop.
Give them a try and let me know what you think.
They're free, so you can't beat the price.
Enjoy!
The miniatures shown below were very nicely painted by a customer, so I can't take credit for them. His name escapes my now, so my sincere apologies for that.
Here's another nicely painted unit by another customer too, again whose name escapes me (again, my sincere apologies), but IIRC, he lives/lived in the Pacific Northwest.
I still need to get some of my own assembled and painted up. Can't believe it has been more than 10 years since I wrote the rules.
finishes his first squad of Chaos Space Marines.
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