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JetZero

jetzero.aero

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Re: JetZero

#151

Post by hahahaa »

mi_lk wrote: post #126
ZeroGravitas wrote: post #113

Tangentially related Good news: You can avoid about half the greenhouse effects of flight by slightly changing the flight plan to avoid cloud forming regions Bad news: this generally wasn't counted before and when counted roughly doubles the impact so in some senses you're back to where you started. But it's a much lower hanging fruit than anything else and as yet we're not doing it.

how do know if a route would go through cloud forming regions

Not you the airline operations using weather radar I assume.

Re: JetZero

#152

Post by hahahaa »

JumpCrisscross wrote: post #51
briandw wrote: post #17

Earlier quoted context omitted.

In a conventional aircraft you sit on the roll axis. In a blended wing body design you can have off-axis motion that can increase motion sickness. Rather than rolling with the longitudinal axis of the aircraft, you move up and down when the aircraft banks. Not necessarily a deal breaker, but an additional difference to deal with.

> In a blended wing body design you can have off-axis motion that can increase motion sickness This sounds fixable in avionics and training. (Shallow, gradual banks.) Note, too, that a larger lifting body needs to bank less to execute the same turn as a craft with more loading.

I learnt on mentour pilot (or maybe captains speaking?) that the airbus most of the time optimizes for comfort by having a constant g force as you ascend or descend or something like that. Unless you are high aoa. So there are systems that so this sort of passenger comfort thing for sure.

Re: JetZero

#153

Post by hahahaa »

bruce511 wrote: post #118
noduerme wrote: post #95

Earlier quoted context omitted.

I've been that guy, but only if the scenery is interesting. Still, my attitude is that at noon, people don't need to have a blanket placed over their cage like parrots to make them sleep. I also was on a flight once that had a very bouncy landing with all the windows down - when I didn't realize we were anywhere near the ground yet. I'm not into tuning out reality to that degree, and don't really feel obligated to he…

Regulations require that window shades be up (open) during take off and landing. I was sitting next to a passenger once who was asked by the steward to raise the window shade. While doing it, they asked "why". Answering for the steward I said "it's so Fire and Rescue can see into the plane if we crash". (Which is true, I used to work at airport fire and rescue.) The steward looked at me with a "that's not helpful" lo…

Im with you. I watched Mayday. So I am not gonna inflate my life jacket on the plane as I don't want to drown in the sinking fuselage. But the briefing makes it sound like a suggestion so the briefing people hardly listen to hardly presses the point. But if you know why you wouldn't do it.

Re: JetZero

#154

Post by hahahaa »

stickfigure wrote: post #138
calmbonsai wrote: post #133

Earlier quoted context omitted.

Yes, but this "innovation" (as sold) must exist as a viable commercial airplane. So far, I see zero evidence that this company has addressed any of the aforementioned challenges beyond theoretical fuel consumption and theoretical passenger logistics. As someone who has 31 hours towards their single-engine ppl cert, I absolutely abhor the stagnation of general and commercial aviation due, largely, to certification bar…

> As someone who has 31 hours towards their single-engine ppl cert, FFS, have some self-awareness! This is the Dunning-Kruger Effect in practice.

No because they used that point to say they have sympathy for the idea of innovating aircraft.

They are not saying "hold my beer while I put the industry to rights!"

Re: JetZero

#157

Post by gleglegle »

ZeroGravitas wrote: post #113

Tangentially related Good news: You can avoid about half the greenhouse effects of flight by slightly changing the flight plan to avoid cloud forming regions Bad news: this generally wasn't counted before and when counted roughly doubles the impact so in some senses you're back to where you started. But it's a much lower hanging fruit than anything else and as yet we're not doing it.

contrails.org do a great job of explaining this and have some solid interactive tools that allow you to simulate the effect of flight plan changes: https://explore.contrails.org/explorer?time_start=2025-01&ti...

Re: JetZero

#158

Post by Stevvo »

daishi424 wrote: post #129
iamwil wrote: post #103

What I really want, is a plane that can load passengers like containers--or like a rollercoaster car. Of course, it should be comfortable. I just mean that the passenger compartment should be modular. So you can put your luggage in and get settled while sitting in the airport, and then when the plane comes in, it just side-loads everyone all at once. Once landed, it just slides everyone off, and you can just I know t…

So, essentially that's how it works in the game Elite: Dangerous where you load and unload the passengers in cabins which are measured in tons. They can even be stolen mid-flight by anyone with a hatch breaker drone. Unfortunately, you cannot jettison them in the void of space. Then there are the Imperial slaves which are considered cargo and not passengers, but it's a different story...

That's an odd connection to make. The depiction of passengers in Elite Dangerous is limited to some numbers on a UI screen.

Re: JetZero

#159

Post by jtwaleson »

CalRobert wrote: post #148
orphereus wrote: post #136

Earlier quoted context omitted.

I don't think that not travelling is the solution. A lot of people cannot avoid flying.

In many instances there are alternatives. Amsterdam to Berlin is served by good rail (except when DB are crappy) and flight options. NYC to DC or Boston. Maybe, someday, SF to LA, and others.

IMHO you can remove the "good" and "except when". DB is 30% of the time a frustrating experience, which I've noticed makes me want to avoid it, even though I love trains. Trains in the rest of Western Europe are pretty great!

Re: JetZero

#160

Post by dash2 »

kubafu wrote: post #128
ZeroGravitas wrote: post #113

Tangentially related Good news: You can avoid about half the greenhouse effects of flight by slightly changing the flight plan to avoid cloud forming regions Bad news: this generally wasn't counted before and when counted roughly doubles the impact so in some senses you're back to where you started. But it's a much lower hanging fruit than anything else and as yet we're not doing it.

A lot of us is avoiding more by choosing not to fly.

I hope I'm not overinterpreting, but I get the sense that you think that's morally better than simply avoiding contrails. If so then this is surely a mistake! While an individual who imposes heavy costs on himself to do something socially valuable is certainly demonstrating commitment to the cause, the best solution for society is the one with the lowest costs.
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