![Rolls Royce Successfully Tested A Hybrid Engine In Helicopters And It Might Just Be The Future Of Aviation Rolls Royce Successfully Tested A Hybrid Engine In Helicopters And It Might Just Be The Future Of Aviation](https://im.indiatimes.in/media/content/2019/Mar/rolls_royce_hybrid_m250_engine_rolls_royce_hybrid_helicopter_engine_hybrid_helicopters_electric_h_1553068068_725x725.jpg)
Rolls Royce Successfully Tested A Hybrid Engine In Helicopters And It Might Just Be The Future Of Aviation
![File:Rolls-Royce 250-B17F turboprop engine left rear top view at JASDF Gifu Air Base November 19, 2017.jpg - Wikimedia Commons File:Rolls-Royce 250-B17F turboprop engine left rear top view at JASDF Gifu Air Base November 19, 2017.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/7/7f/Rolls-Royce_250-B17F_turboprop_engine_left_rear_top_view_at_JASDF_Gifu_Air_Base_November_19%2C_2017.jpg)
File:Rolls-Royce 250-B17F turboprop engine left rear top view at JASDF Gifu Air Base November 19, 2017.jpg - Wikimedia Commons
![File:Rolls-Royce 250-B17F turboprop engine left side view at JASDF Gifu Air Base November 19, 2017.jpg - Wikimedia Commons File:Rolls-Royce 250-B17F turboprop engine left side view at JASDF Gifu Air Base November 19, 2017.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/4/44/Rolls-Royce_250-B17F_turboprop_engine_left_side_view_at_JASDF_Gifu_Air_Base_November_19%2C_2017.jpg)
File:Rolls-Royce 250-B17F turboprop engine left side view at JASDF Gifu Air Base November 19, 2017.jpg - Wikimedia Commons
![File:Rolls-Royce 250-B17F turboprop engine left front view at JASDF Gifu Air Base November 19, 2017.jpg - Wikimedia Commons File:Rolls-Royce 250-B17F turboprop engine left front view at JASDF Gifu Air Base November 19, 2017.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/1/1e/Rolls-Royce_250-B17F_turboprop_engine_left_front_view_at_JASDF_Gifu_Air_Base_November_19%2C_2017.jpg)