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Wikipedia:WikiProject Military history/Assessment/Lockheed YF-22

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Lockheed YF-22

[edit]

Instructions for nominators and reviewers

Nominator(s): Steve7c8 (talk)

Lockheed YF-22 (edit | talk | history | links | watch | logs)

I have added considerable amount of design history information compiled from several sources to give a summary of how the design came to be. I believe this article can be considered for A-class. Steve7c8 (talk) 14:35, 9 July 2024 (UTC)[reply]

Source review

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  • The details in the Notes section require references
  • Mullin (1992) is not used
  • fn 53 and 58 say "William" instead of "Williams"
  • Hehs, Mullin, Williams: location?
  • I am not sure what issue Flight International (1990) refers to.
  • fn 37, 45, 55: page numbers?

Hawkeye7 (discuss) 20:39, 11 July 2024 (UTC)[reply]

  • That Global Security image is a direct scan from the print version of the Code One Magazine article written by Eric Hehs, I'll adjust the citation accordingly.
  • I've added references in the second, more detailed note.
  • I'll move that to additional reading, but it's sort of a shorter summary that Mullin would expand his 2012 writing on.
  • Fixed.
  • Code One Magazine is for Hehs is based in Fort Worth, Texas. Mullin's publication is by USAFA affiliated Mitchell Aerospace Institute based in Arlington, VA. Williams' book publisher is based in Norwalk, CT or London depending on distribution.
  • Those are listed again under bibliography with the full citation, I've moved it to references as the more appropriate section.
  • Page numbers have been added for the first two, the last one doesn't have a page number.
Steve7c8 (talk) 00:42, 13 July 2024 (UTC)[reply]

Image review

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All images have appropriate licences. Hawkeye7 (discuss) 20:39, 11 July 2024 (UTC)[reply]

Matarisvan

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Hi Steve7c8, saving a spot, will add comments soon. Also, if you could wikimail me the two sources required for the YF-23 article, that would be great. Matarisvan (talk) 17:24, 19 July 2024 (UTC)[reply]

Schierbecker

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Hiking the AT. Connection may be sporadic. Apologies for any curtness or disorganization of replies.

  • Lede should state that Lockheed was the prime.
  • US or U.S.? Consistency needed.
  • The distinction between WP:GENREF and "Additional sources" is not usually seen on well-developed articles. Might be better to merge the Bibliography and Additional sources.
  • Personally my eyes tend to glaze over when an article contains too many dates. Maybe only mention the exact date if its important (and it's going to be on the test) Also does Halloween need to wikilinked?
  • Would prefer less passive voice (e.g. not the Lockheed team was announced by Secretary of the Air Force Donald Rice as the winner of the ATF competition.)
  • delta wings and pilot-induced oscillation are wikilinked only on the second mention. wl "FY", "S-duct", "thrust-vectoring". YF119 and YF120 overlinked. Image captions could stand to have more wls. It isn't considered overlooking.
  • Advise adding brief in-text description of the Packard Commission (e.g. that it was a commission of president Reagan.).
  • "SR-71-like" needs an en dash per MOS:SUFFIXDASH
  • Re: the accident: were any design issues identified and corrected as a result?
  • Pratt & Whitney and General Electric had earlier been awarded contracts to develop the propulsion systems with the designations YF119 and YF120 Respectively? These engines were requirements for the selected aircraft? Furnished as government-furnished equipment? How and when was it determined to go forward with the YF119?
  • Give nationality of SR-71/YF-12. Lockheed as designer seems relevant especially given that they proposed something like it.
  • The top four proposals, later reduced to two, would proceed with Dem/Val. They selected four, then down selected to two? Who were the four? Or they had plans to select four contenders, but decided to only choose two?
  • Because the requirement for flying prototypes was a late addition due to political pressure, awkward. consider rephrasing.
  • The seven bids were submitted in July 1986. Were Lockheed, Boeing, General Dynamics, Northrop, and McDonnell Douglas the only teams that submitted proposals? Which teams submitted more than one proposal? Lockheed, Boeing and General Dynamics each submitted a proposal or proposals? Article makes it sound like Lockheed was the only contractor that responded during the concept development. True? Mention that Lockheed developed the F-117.
  • Sherman Mullin would credit the Lockheed proposal's system engineering volume for the top rank. confused about what this means. Mullin says Lockheed got the contract for its manufacturing capabilities? Implying Northrop did not?
  • Having performed poorly during ATF concept exploration while also losing the ATB to Northrop who had a curved surface design, meaning more clear if this is split in two sentences.
  • Furthermore, the U.S. Navy under Congressional pressure Try: "Furthermore, under Congressional pressure, the U.S. Navy".
  • Were there any differences in the stealth coating between the YF-22 and F-22?
  • However, much of the scrutiny fell on Lockheed's Configuration 090P Scrutiny from whom?

Schierbecker (talk) 18:18, 12 August 2024 (UTC)[reply]

  • Added statement that Lockheed is prime contractor
  • Standardized on "U.S."
  • As far as having two sections for generic references and additional sources, I think the latter is for works that's not directly cited in the body, but are useful further reading.
  • I'll the importance of specific dates for other editors to judge, I personally don't think it's too cumbersome and having month and year is pretty generic, I feel.
  • For PAV-2 crash, the issue is that the flight control system was immature and not ready for low-altitude demonstration flights. The YF-22s never flew after that and the F-22 air vehicle is also markedly different.
  • The ATF engine effort was a separate parallel effort that pre-dated the ATF itself by a few years, and during Del/Val it was brought under the control of the ATF SPO. The ATF engine was also being competed which is why there were two YF-22s and YF-23s, one for each engine option. The winner of the engine competition would be announced alongside the ATF winner.
  • The ATF SPO had originally planned to select 4 companies as finalists for Dem/Val, but this was judged too expensive and unnecessary, so they reduced it to two.
  • I added the seven bidding companies as a note.
  • System engineering, which involves your plans for conducting trade studies and requirements reviews, was an area that not many companies focused on at the time, but Lockheed did. It was only after being selected that the companies found out how much the ATF SPO valued system engineering plans in their proposals.
  • Scrutiny on Configuration 090P from the design team.
Steve7c8 (talk) 16:08, 15 August 2024 (UTC)[reply]
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