Entertainment » OtherPosted at: Aug 28 2016 5:16PM Successful test flight of scramjet engines a baby step for ISRO : SivanChennai, Aug 28 (UNI) It would take more than a decade to have a scramjet engine, which uses hydrogen as fuel and the oxygen from the atmospheric air as the oxidiser, Please log in to get detailed story.Tags: #Successful test flight of scramjet engines a baby step for ISRO : Sivan