Name:  No Cooling Jacket
Type:     Negative
Cost:  One (1)
Available To:  BattleMechs
Reference:  BattleMech Manual (p. 87)

Description:
A weapon’s design excludes the standard cooling jacket. As a result, it generates 2 extra points of heat when fired. More than one weapon can have this negative quirk, but the cost for each must be paid.