This OXP tweaks the equipment purchasing system (F3 screen) in Oolite. Place the Sensible Lasers OXP into your "AddOns" folder. Oolite will now allow you to sell a laser weapon and leave the weapon mounting point empty. You will receive a refund of the value of the removed weapon. N.B. If you attempt to "remove the weapon" from a mounting point which has never had a weapon installed, whackiness will ensue.
Specifically, installing the bogus EQ_WEAPON_NULL_LASER then attempting to fire it, causes the laser temperature gauge to rise as though there were actually a laser being fired. Should it do that? (Is there a prize for the lowest priority bug ever discovered? )