Or - could I use other (non-used) hardpoint instead? One that is supported by majority of all ships (or at least by majority of playble ships)?
I have found this list (on digitalbrilliance.com):
hp_cargo_pod
hp_countermeasure_dropper
hp_turret
hp_mine_dropper
hp_torpedo
hp_thruster
hp_freighter_shield_generator
hp_elite_shield_generator
hp_fighter_shield_generator
hp_shield_generator
hp_gun
hp_child
hp_tractor_source
hp_bay_external
hp_bay_surface
hp_gun_special_1
hp_gun_special_2
hp_gun_special_3
hp_gun_special_4
hp_gun_special_5
hp_gun_special_6
hp_gun_special_7
hp_gun_special_8
hp_gun_special_9
hp_gun_special_10
hp_turret_special_1
hp_turret_special_2
hp_turret_special_3
hp_turret_special_4
hp_turret_special_5
hp_turret_special_6
hp_turret_special_7
hp_turret_special_8
hp_turret_special_9
hp_turret_special_10
hp_torpedo_special_1
hp_torpedo_special_2
hp_fighter_shield_special_1
hp_fighter_shield_special_2
hp_fighter_shield_special_3
hp_fighter_shield_special_4
hp_fighter_shield_special_5
hp_fighter_shield_special_6
hp_fighter_shield_special_7
hp_fighter_shield_special_8
hp_fighter_shield_special_9
hp_fighter_shield_special_10
hp_elite_shield_special_1
hp_elite_shield_special_2
hp_elite_shield_special_3
hp_elite_shield_special_4
hp_elite_shield_special_5
hp_elite_shield_special_6
hp_elite_shield_special_7
hp_elite_shield_special_8
hp_elite_shield_special_9
hp_elite_shield_special_10
hp_freighter_shield_special_1
hp_freighter_shield_special_2
hp_freighter_shield_special_3
hp_freighter_shield_special_4
hp_freighter_shield_special_5
hp_freighter_shield_special_6
hp_freighter_shield_special_7
hp_freighter_shield_special_8
hp_freighter_shield_special_9
hp_freighter_shield_special_10
Are all of them available for mounting or just some?