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this post was submitted on 13 Sep 2024
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Airplanes are usually limited to land at only around half of the total weight they can take off with.
This isn't normally a problem for normal trips.
If they went to a higher landing weight, the landing gear struts would have to be designed quite a bit stronger. This would make the landing gear heavier, and that would reduce the useful payload weight in the plane.
Which that’s something i find interesting about electric planes they’re testing. MTOW and MLW are almost identical in an electric plane. You can’t just dump fuel
Which is good for the environment but makes it really hard to design airplanes.
I'm guessing it's comparable to designing SSTOs in KSP where it's hard to get to orbit (and often back) on a single stage because you don't get much lighter.
10/10 analogy 👌
The Perth to Sydney flight is a longer one. I think around 3000km, so maybe they had a bigger fuel load
Half the weight of a plane is the fuel??
A350-900
Maximum takeoff weight: 283 tonnes
Maximum landing weight: 207 tonnes
Manufacturers' empty weight: 115.7 tonnes