The Amiad Sigma Filters are automatic filters, with multiple screens, operated by a single hydraulic turbine mechanism, with a capacity up to 280 m3/h (1,233 gpm) and with filtration degrees from 80-500 micron. Inlet/Outlet connections available: 100 mm (4”), 150 mm (6”), 200 mm (8”) diameter, and exhaust valve is 50 mm (2”).
Comment: Hybridisation is a new era for aerospace
Regeneration during braking would be a good start. Some wind-milling during decent could possibly contribute. Also the engines could be lower-powered...