1/700 SMS Derfflinger 1916 & SMS Luetzow 1916 & Zeppelin Q Class (Limited Edition)By late 1915, Zeppelin introduced the Q class, a true flying fortress capable of a greater operation ceiling. Its hull was lengthened by 15 m (49 ft), for an internal volume up to 35,800 cubic metres (1,264,100 cu ft) and soon, all existing P class airships were lengthened and bring to the Q Class standard. L7 drawing Customize your kit and take your creation to another level with our selection of paint sets.