It takes a skilled field mechanic to disable limiters without destabilizing the entire drive
― In-game description
EV-30 Tumbler is a legendarySparrow. It can be obtained from Kadi 55-30 by players who own the Destiny Expansion Pass and redeemed the code before January 15, 2015. For players who purchased the first expansion, The Dark Below, this sparrow became available on December 9, 2014. After receiving the Tumbler from Kadi 55-30, this sparrow can be acquired from Tess Everis by all Guardians on the account.