rule of 5 in the WH40k universe pt 16
SKIMMERS - ignore difficult terrain . the drivers of all other vehicles must make a 2d6 roll successfully or be bogged down and immmobilised.
OPEN TOPPED - the crew of such a vehicle may be directly targeted by weapons when attacked from above BUT the shooter must designate whether he is shooting at the vehicle or at crew/ carried troops.crews count as being in cover.
TANK - a tank may ignore the movement restrictions of dificult terrain if the driver makes a successful or drawn 2d6 conlict roll. failure results in the Tank being immobilised.
DAMAGING VEHICLES
roll for damage after hitting a vehicle. all vehicles will make a damage reduction roll. if damage is taken roll 2d6 -
zero success - the damage passes harmlessly thru / around the vehicle.
1 success- crew / carried troops are hit . they all take the same reduced damage but may make damage reduction rolls of their own if possible.
2 successes - the damge comes off the vehicles SP
3 successes - one vehicle weapon is destroyed completly and the damage comes off the SP
4 successes - the vehicle engine is destroyed and the damage come soff the SP . the crew can each make a 2d6 conflict roll to escape the vehicle before it CRASHS.
SP DAMAGE - a vehicle reduced to zero SP or less is totally destroyed and all occupants suffer a 2d6 damage roll ( 1d6 damage per success , daamge reduction rolls allowed )
WEAPON MOUNTINGS - a sponson or turret mounted weapon may be fired in any direction . a front or side mounted wepon may only fire along a 90 degree arc on that side. HEAVY weapons do not suffer movement resistrictions when mounted on vehicles.
ORDINANCE weapons - ordinance weapons may only be fired if the vehicle is stationary.ordinance have double the range of heavy weapons.