- Passenger traffic to be 520 million bt 2037
- Aircraft fleet to be 2500 by 2038
- Aircraft movement grew by 9.56% in 2016-2020
- India is already 3rd largest domestic aviation market
- India set to become 3rd largest overall aviation market
- GIFT city to have leasing and finance of airlines through international financial services center
- Motor to be hallbach array based on ironless motor
- battery energy density of 1150 whr/kg required
- For PAX less than 19 seater , hydrogen aircrafts are viable.
- UK has flyzero concept for zero emission aircraft
- ATR72-600 is improved into ATR72-2030 capable of using sustainable aviation fuel
- Small aircraft can be powered by Synthetic aviation fuel SAF, hybrid, electric and fuel cell
- Distributed propulsion is more effecient for aerodynamics
A C Pankaj on E-HANSA
- MTOW 750 kg for JAR VLA aircraft
- Hansa is an all composite low wing monoplane powered by Rotax 912 iSc engine 100 hp
- Drag Coeff = 0.0327 + 0.055 Cl^2
- TO = 56.8 kW
- Climb = 45.9kW
- Cruise = 28.8 kW
- Descent = 3 kW
- Engine fuel = 113.4 kg
- Propeller = 6 kg
- Chosen motor = Emrax, 500VDC , 5500 RPM, slovenian motor
- motor = 12.3 kg
- controller = 7.7 kg
- Cooler = 6.0 kg
- Battery reqd for TO = 72 kg
- Battery reqd for Cruise = 55 kg
- Fuel enery density = 1250 Whr/kg
- Present battery = 272 whr/kg
- Endurance = 52 mn
- Range = 126 km
- Total energy reqd for a typical mission = 35.6 kW/hr
- To carry one kg of H2, 26 kg of composite tank is required.
- For small aircraft = battery is best
- For medium aircraft = hybric configuration is best
- For large aircraft = One fuel cell is better
- Safety and reliability of electrical power systems is still unproven
- Battery degradation over the life needed to be considered for range calculation
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