Hacker News Reader

A 3m wide fan spinning at 3000RPM for takeoff will be loud wether it's being driven by a gas turbine or an electrical motor.

That would add massive complexity and excess weight (lugging around the battery and all the fuel), which makes it a nonstarter

Largescale use of electric planes still seem like sci-fi for the time being, but you did get me thinking that airships would likely produce a lot less noise pollution than planes.