ORPHEUS 70105 Orpheus 70105, indigenously modified by HAL, is a derivative of Orpheus 701 at lower rating and is the Power Plant for Kiran MK II Aircraft indigenously designed by HAL. Main Characteristics Maximum Diameter (m) 0.822 Length (m) 2.290 Weight (kg) 420 Thrust (kg) 1875 Specific Fuel Consumption (kg / shp-hr) 0.348