Milton Keynes, United KingdomWhat Germany is building in defence tech (2026)
Apr 30
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Greenjets
Develops quiet, safe electric propulsion systems and jet engines for aircraft including drones, air taxis, and regional aircraft to accelerate sustainable aviation.
Founded 202211-50 employeesLondon, United Kingdom5 open positionsWebsite
Advanced Materials
Products & Solutions
Aspen 212
A 212mm ducted fan propulsion unit producing 5 kg static thrust at 500g weight, achieving 93% noise reduction and 45% greater efficiency than an open propeller of the same diameter.
Sycamore 160
A compact 160mm ducted fan engine for fixed-wing sub-25kg UAVs producing 6 kg thrust at 792g, designed for 26 m/s cruise speed with 75% noise reduction.
Hemlock
Ultra-high-speed ducted fan engine designed for fast fixed-wing drone applications, capable of flight speeds up to 125 m/s while maintaining low acoustic signature.
About
UK-based manufacturer of ducted electric propulsion systems for drones and UAVs. Spun out of Blue Bear Systems Research in 2022, with a team carrying 200+ years of combined aerospace experience from Rolls-Royce, BAE Systems, and GE. Engines achieve up to 93% noise reduction and 45% efficiency gains over open propellers.
Offices
London
Customers & Partners
Blue Bear Systems Research
Open Positions (5)
2 Hardware & Systems1 Business Development1 Software & Data1 Operations
G
Greenjets
Develops quiet, safe electric propulsion systems and jet engines for aircraft including drones, air taxis, and regional aircraft to accelerate sustainable aviation.
Founded 202211-50 employeesLondon, United Kingdom5 open positionsWebsite
Advanced Materials
Products & Solutions
Aspen 212
A 212mm ducted fan propulsion unit producing 5 kg static thrust at 500g weight, achieving 93% noise reduction and 45% greater efficiency than an open propeller of the same diameter.
Sycamore 160
A compact 160mm ducted fan engine for fixed-wing sub-25kg UAVs producing 6 kg thrust at 792g, designed for 26 m/s cruise speed with 75% noise reduction.
Hemlock
Ultra-high-speed ducted fan engine designed for fast fixed-wing drone applications, capable of flight speeds up to 125 m/s while maintaining low acoustic signature.
Open Positions (5)
2 Hardware & Systems1 Business Development1 Software & Data1 Operations
About
UK-based manufacturer of ducted electric propulsion systems for drones and UAVs. Spun out of Blue Bear Systems Research in 2022, with a team carrying 200+ years of combined aerospace experience from Rolls-Royce, BAE Systems, and GE. Engines achieve up to 93% noise reduction and 45% efficiency gains over open propellers.
Offices
London
Customers & Partners
Blue Bear Systems Research
Latest reports
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