Fafnir his foster-son Sigurd to kill the dragon. Regin instructed Sigurd to dig a pit in which he could lie in wait under the trail Fáfnir used to get to a stream and there plunge his sword, Gram, into Fafnir's heart as he crawls over the pit to the water. Regin then ran away in fear, leaving Sigurd to the task. As Sigurd dug, Odin appeared in the form of an old man with a long beard, advising the warrior to dig more trenches for the blood of Fafnir to run into, presumably so that Sigurd does not drown in the
RRG Fafnir Kaaden in May after a tow launch. Because of the tow launch this was not officially recognised but a bungee launched, flight, made between the Wasserkuppe and Magdeburg in late August did set a new record. Groenhoff was overall winner at the 1931 Rhön competition. He was killed in the Fafnir at the 1932 Rhön in another rudder related launching accident. Repaired and with a lengthened and glazed cockpit, the Fafnir was flown on some notable flights in 1933, including one of over from Darmstadt to France and others above Berlin. In 1934 it was taken to South America and