Lz 130 graf zeppelin ii were the two largest airships built; and the largest aircraft ever built. the hindenburg was named in honor of the president of germany paul von hindenburg. it was a new design; completely made of duralumin: 245 m long; 41 m in diameter; 16 bags (14 2 hydrogen and air balloons) with a capacity of 200,000 m of gas; with useful thrust of 112; 1 t (1.099 mn); thanks to four diesel engines daimler - benz db 602 of 1,200 hp (890 kw). a top speed of 135 km / h.