Comments by "G L" (@gelinrefira) on "Wendover Productions" channel.

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  9. Tiltrotors, like helicopters sound good on paper but is actually much worse right now. Tiltrotors are far more complex and more accident prone. That translate to even higher operational and upfront costs, to the point even wealthy passengers might balk at the price. They will never be big enough to really ferry enough passenger per trip to really benefit from the economies of scale like jetliner, metros, trains and buses. On top of that, no city will allow tiltrotors to operate just from rooftops of garages because they are insanely noisy. Helicopters are bad enough, tiltrotors are likely to be even worse. Having multiple tiltrotors landing and taking off regularly in the middle of the city - which is already noisy - will push local residents or workers insane. A few things have to happen before helicopters or tiltrotors can become regular passenger liners. Costs have to go down, helicopter already achieve that for premium market, this is impossible right now for tiltrotors. Decrease complexity and increase reliability - this bring us directly into costs too as complexity increase maintenance and reliability decrease it. Costs have to go down to at least just 10 times the mass transit by per passenger per mile for the premium market and only about 2 - 3 times to have a chance to penetrate the masses. Most upper middle class people are willing to pay 2 - 3 times more to use a regular service to save time and headaches of driving and public transport and that's when you have a possible chance to make the business viable. Lastly, technology has to improve to the point where the noise level is comparable to a loud bus before such transport is even possible to operate in city centers. I don't see helicopters ever meeting these challenges, much less tiltrotors in the near future.
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