Talk:Mitsubishi F-X

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Aviation: Aircraft

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404 error on Reference 74 and unsubstantiated political claim…

Reference 74 points to a 404 error and needs to be removed. Also there is no reference for the claim “ the decision to joint-develop the aircraft with the US was later chosen due to a combination of US political pressure and the heavy undertaking of producing a fighter domestically.” and appears to be an unfounded claim on “political pressure” and should be removed. I did not edit as others are working on this pace as recently as just last month and would like to leave it to them to correct. CAG0001 (talk) 09:36, 24 June 2022 (UTC)

Its pretty substantiated, e.g. this article in the Financial Times. WatcherZero (talk) 10:52, 24 June 2022 (UTC)

https://www.ft.com/content/a024eeec-1b08-11ea-97df-cc63de1d73f4

Design /"Power" systems: translation of "Power" from Japanese - clarification needed

• The electric actuators are used in the fighter's flight control systems, power systems and undercarriage/wheel braking systems.

It is unclear what is referred to by the term "Power" systems. This sentence in the article is translated from a source in Japanese (which I don't speak). It is plausible that a word translated into English as "Power" might refer to:

• engines
• electrical generators
• an APU setup
• batteries (although it seems unlikely that these would require any electric actuators)
• perhaps it may even refer to the fuel system, i.e. pumps and valves etc (if it is a similar word in Japanese; or if the concept is that fuel feeds the engines, which power the aircraft)
• something else.

It is also unclear what part of such system(s) (e.g. engines, generators, APU) etc might have an electric actuator).

Could someone who speaks Japanese please have a read of the source below and clarify what "Power" systems refers to? https://web.archive.org/web/20190414090031/https://www.mod.go.jp/atla/research/gaibuhyouka/pdf/Elec_Actuator_29.pdf

The slides appear to be from a presentation on the evaluation of switching from hydraulic actuators (powered from a central hydraulic reservoir) to electrical actuators in the control surfaces, landing gear, and brakes to allow more freedom in aircraft body design. The 'power system' its referring to is the transformer taking energy from the engine, converting to DC and then supplying to the individual electrical actuators around the aircraft. After examining traditional Hydraulics, electrically powered mechanical actuators or electrically powered hydraulic actuators it recommends the electrical powered hydraulic actuators as the preferred system. WatcherZero (talk) 22:23, 30 March 2023 (UTC)