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Real Engineering: Insane Engineering of the F-35B.

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james_s:

--- Quote from: Infraviolet on January 28, 2023, 09:52:31 pm ---fascinating technically, but the F35 project really has fallen far behind schedule and far above cost. Unfortunately the project has got so big, and has such dreadful (clearly politically planned) elements to it as making all buyers of the F35 reliant on both each other and on the USA for servicing, spares, software updates... that one can't escape politics when discussing it. And the rumour always has been it was designed specifically to be inferior to the (older) F22 raptor (which the USA never sells abroad), so the USA's allies all abandon fighter production programmes of their own and then have a plane that can't beat the USA.

--- End quote ---

Agreed, but it's perfectly possible to discuss the engineering aspect without getting into the political aspect.

wraper:

pcprogrammer:

--- Quote from: james_s on January 29, 2023, 07:53:38 am ---... but it's perfectly possible to discuss the engineering aspect without getting into the political aspect.

--- End quote ---

Seems to be very difficult  :palm:

My electronics education started at a school that also had avionics in its curriculum and had some fighter planes in the big hall in the middle of the school. Always had some interest in the whole flying mechanics but never worked in the field.

For the F35 I really find the way they constructed the exhaust nozzle fascinating. Think of the temperatures and pressure the joints need to withstand and still be able to rotate when needed.

I also wonder if the choice for making the vertical lift rotors with blades from a single piece instead of loose blades has something to do with safety. Imagine a blade coming loose as the high RPM right behind your seat.

A class photo in front of one of the planes. Still very young on this picture  :)

coppice:

--- Quote from: james_s on January 29, 2023, 07:53:38 am ---
--- Quote from: Infraviolet on January 28, 2023, 09:52:31 pm ---fascinating technically, but the F35 project really has fallen far behind schedule and far above cost. Unfortunately the project has got so big, and has such dreadful (clearly politically planned) elements to it as making all buyers of the F35 reliant on both each other and on the USA for servicing, spares, software updates... that one can't escape politics when discussing it. And the rumour always has been it was designed specifically to be inferior to the (older) F22 raptor (which the USA never sells abroad), so the USA's allies all abandon fighter production programmes of their own and then have a plane that can't beat the USA.

--- End quote ---
Agreed, but it's perfectly possible to discuss the engineering aspect without getting into the political aspect.

--- End quote ---
How? The thing has been entirely engineered to satisfy political, rather than operational, demands, Most defence programs which are a horrible mess are that way due to political issues. If you look at something like Apollo, where a real and immediate need to show the US could compete with USSR technology, the politicians were kept at bay. The project progressed very smoothly. especially considering the number of very new and novel things which had to be achieved from scratch, with all the risks that involves.

2N3055:
F35 is fighter jet analogue of Internet of things, synergistic, universal, artificial intelligence, web enabled, JSON empowered, solar compatible, green energy inducing, ergonomically designed, future proof, invisible but with exquisite design, color adaptable cordless drill...

They took a very focused thing with very clear and defined purpose and threw a bullshit brigade at it. So it's primary goal was to put in all the buzzwords in a design, and then they kept patching it with a duct tape until it flew and was able to shoot weapons.

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