The Ivchenko-Progress AI-450S is a turboprop engine designed by Ivchenko-Progress and built by Motor Sich. It is a two-shaft design with one gas generator shaft and one free turbine shaft. The 450 hp AI-450S is used on the Diamond DA50-JP7, Bayraktar Akıncı UAV and Diamond Dart 450 and the 630 hp AI-450S-2 is used on the Evektor EV-55. The price of an AI-450 engine is roughly $236,400.
Specification model AI-450S AI-450S-2 Dimensions 1,108 х 575 х 702 mm 1,120 х 578 х 700 mm Weight, dry Take-off power Cruise power Take-off fuel consumption Cruise fuel consumption Power-to-weight at take-off
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