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The following discussion is an archived discussion of the DYK nomination of the article below. Please do not modify this page. Subsequent comments should be made on the appropriate discussion page (such as this nomination's talk page, the article's talk page or Wikipedia talk:Did you know), unless there is consensus to re-open the discussion at this page. No further edits should be made to this page.

The result was: promoted by  — Crisco 1492 (talk) 01:12, 31 December 2012 (UTC)

Torque amplifier

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Created/expanded by Maury Markowitz (talk). Self nom at 14:53, 29 November 2012 (UTC)

  • The article only has two inline citations. It really needs more than this to be fit for DYK. --Odie5533 (talk) 20:33, 9 December 2012 (UTC)
  • To clarify, DYK requires a minimum of one inline citation per paragraph, in addition to the requirement that all the hook facts must be supported by inline citations by the end of the sentence involved. Thanks. BlueMoonset (talk) 21:38, 11 December 2012 (UTC)
Focussing on the later for the moment, can you be more specific? I believe the inline cites in question do directly state the facts in question. Maury Markowitz (talk) 22:30, 11 December 2012 (UTC)
To aid closure: the second inline contains the text "Kelvin saw that such integrator arrays could solve differential equations, but was unable to overcome the problem of torque loss between stages", and then "Vannevar Bush came up with the technical fix, the torque amplifier, necessary to link Kelvin integrators into a single system that could drive other devices. The result was his Differential Analyser". This second statement is basically the hook, reworded. Maury Markowitz (talk) 22:49, 11 December 2012 (UTC)
I didn't notice any problems with those two cites at the time; my point was that in addition to the ones required for the hook, you needed to have at least one per paragraph in the rest of the article, since these two only took care of the final paragraph. However, there is one problem with the hook: the "fifty years" assertion. The only two relevant dates in the sources are 1931 for Bush's torque amplifier, and 1886 for Kelvin's harmonic analyser. That's 45 years at best. Unless there is some other dated information on these two people, I'd probably say "over 40 years", since the 1931 date is when Bush's paper was published with the solution, not when the problem was solved by him at MIT. BlueMoonset (talk) 23:06, 11 December 2012 (UTC)
Ok I get it. I have tweaked the hook. See if it works now. Maury Markowitz (talk) 12:18, 12 December 2012 (UTC)
It looks to me like the tweaked hook and the added inline citations should have done the trick, but you subsequently added "ball-and-disk integrator" to the hook. You're welcome to add a new article—it qualifies in terms of being a 5x expansion at the time you created this DYK submission—but it creates a few issues, though they should be as easily fixed as what you've already fixed. First, the added article has the same inline citation problem as the torque amplifier article did before you fixed them (in this case, only three of twelve paragraphs have inline citations, and additionally it only uses a single reference: DYK requires multiple reliable reference sources for each article. Also, the facts in the hook must be available and cited in both of the articles. Finally, one of the paragraphs stops in mid-word, and should be fixed before we get in a new reviewer to check this DYK submission. Thanks. BlueMoonset (talk) 15:21, 13 December 2012 (UTC)

Fixed! Maury Markowitz (talk) 11:18, 17 December 2012 (UTC)

Maury, there's no reason the hook can't link to the ball-and-disk integrator article, it just can't be a bold link if you won't be bringing that article up to DYK standards. So I've restored that part for you. Assuming that you just want to go ahead with the original torque amplifier as a single-article DYK submission:
  • Complete review needed for this nomination. Thanks! BlueMoonset (talk) 14:53, 17 December 2012 (UTC)
  • Article big and new enough and includes citation on each paragraph. But hook is too long at 206 characters. Graeme Bartlett (talk) 22:03, 28 December 2012 (UTC)
  • I actually get 211 characters from "that" through "?". When I originally said the hook was okay, it was when "ball-and-disk integrator" was included in the hook as a second DYK article, and thus didn't count toward the total. Perhaps "considered the idea of" could be changed to "thought of"? That would take the total down to 199; another three characters could be shaved by changing "forty" to "40". Here's a 196-character ALT1 with both those changes:

Looks perfect! Maury Markowitz (talk) 15:30, 29 December 2012 (UTC)

  • Hook is now short enough. Before I was not counting "that". Anyway hook is referenced and confirmed. good to go. Graeme Bartlett (talk) 20:20, 29 December 2012 (UTC)
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