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    Welcome to the dispute resolution noticeboard (DRN)

    This is an informal place to resolve small content disputes as part of dispute resolution. It may also be used as a tool to direct certain discussions to more appropriate forums, such as requests for comment, or other noticeboards. You can ask a question on the talk page. This is an early stop for most disputes on Wikipedia. You are not required to participate, however, the case filer must participate in all aspects of the dispute or the matter will be considered failed. Any editor may volunteer! Click this button to add your name! You don't need to volunteer to help. Please feel free to comment below on any case. Be civil and remember; Maintain Wikipedia policy: it is usually a misuse of a talk page to continue to argue any point that has not met policy requirements. Editors must take particular care adding information about living persons to any Wikipedia page. This may also apply to some groups.

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    Case Created Last volunteer edit Last modified
    Title Status User Time User Time User Time
    Sales data dispute on Chris Brown article Closed Instantwatym (t) 9 days, 2 hours Robert McClenon (t) 8 hours Robert McClenon (t) 8 hours
    Peugeot 505, Peugeot 5CV In Progress Avi8tor (t) 7 days, 9 hours Robert McClenon (t) 6 hours Robert McClenon (t) 6 hours
    Arecibo message Resolved 67.149.172.22 (t) 4 days, 22 hours Kovcszaln6 (t) 2 days, 5 hours Kovcszaln6 (t) 2 days, 5 hours
    Killing of Laken Riley Closed Jonathan f1 (t) 4 days, 4 hours Robert McClenon (t) 3 days, 21 hours Robert McClenon (t) 3 days, 21 hours
    shakshuka Closed LEvalyn (t) 2 days, 20 hours Robert McClenon (t) 8 hours Robert McClenon (t) 8 hours

    If you would like a regularly-updated copy of this status box on your user page or talk page, put {{DRN case status}} on your page. Click on that link for more options.
    Last updated by FireflyBot (talk) at 18:46, 29 June 2024 (UTC)[reply]


    Current disputes[edit]

    Sales data dispute on Chris Brown article[edit]

    – General close. See comments for reasoning.
    Closed discussion

    Peugeot 505, Peugeot 5CV[edit]

    – Discussion in progress.

    Have you discussed this on a talk page?

    Yes, I have discussed this issue on a talk page already.

    Location of dispute

    Users involved

    Dispute overview

    When it was founded, Wikipedia had many discussions in the early years to figure out what units to include or not include in articles, A compromise resulted in the USA and the UK having different primary units from the rest of the world, which seemed like a reasonable compromise. see Wikipedia:Measurements Debate. Editor Mr.choppers seems to think the MOS does not apply because a certain unit was used when a vehicle was initially sold, regardless of the wording in the Manual of Style/Dates and numbers/Primary Unit.

    This problem goes back years, with Mr.choppers reverting every edit I make to do with which unit is primary. This time it stems from editing Peugeot 505, Peugeot 5CV, Mercedes-Benz Actros and numerous other vehicles going back years, I’d like a decision on what constitutes the primary unit.

    The next disagreement.

    The UK and the USA have received exemptions for strong national ties, which no other country has! But what is the criteria for “strong”, it seems to me that any ties to the USA or the UK are classed as strong national ties even if other editors say they may be weak or trivial. In the case of the Peugeot 505, it was exported to the USA and Australia so how do we get strong national ties to the USA? It is a French designed and manufactured car!

    The Manual of Style is apparently interpreted differently by different editors and needs clarifying. Is a strong national tie 50% or more than 50%? Who decides? Let’s take Tesla, whose cars are made in the USA, China and Germany, all units used in design and manufacture are SI units, so which country has strong ties and which units are primary? Well it is a Company headquartered in the USA, so that would give strong national ties.

    How have you tried to resolve this dispute before coming here?

    Talk:Peugeot_505 Units of Measurement.

    How do you think we can help resolve the dispute?

    The manual of style states three options: In non-scientific articles with strong ties to the United States and the UK. In all other articles, the primary units chosen will be SI units. Can an editor pick and choose something else because of the ambiguity of the remaining wording regardless of the statement "will be SI units"?

    Summary of dispute by Mr.choppers[edit]

    Please keep it brief - less than 2000 characters if possible, it helps us help you quicker.

    The issue is that there are two kinds of horsepower, metric and non-metric. Most of the world (Europe, Japan, Latin America) uses metric hp, US and UK and some other english-speaking countries uses imperial hp, and a few countries like New Zealand, Asutralia, and South Africa have switched over to SI. There is no recognized standard for how to distinguish metric and non-metric hp (some use the German abbreviation PS for metric hp, but this is somewhat inappropriate for French or Italian cars, for instance). The definitions of these units are very similar, which often makes it hard to tell which unit is being used - sometimes you can tell from context. Non-english sources are almost certainly using metric hp. Here are the conversions, showing how close these units are:

    {{convert|100|hp-metric|kW|2}} 100 metric horsepower (73.55 kW)
    {{convert|100|bhp|kW|2}} 100 brake horsepower (74.57 kW)

    While many countries have officially switched to SI (kilowatts) over the last several decades, this process is by no means complete. Nearly all references, all magazines, all journals, and most manufacturers have held on to metric hp and it is still the primary unit in many situations and markets. I will be happy to provide links and examples if needed, but will limit myself to VW chairman Ferdinand Piëch laying down a target number of 1,001 metric horsepower (736 kW; 987 bhp) for the Bugatti Veyron in 2001. Metric hp is current, it is used industry wide, and I would argue that it remains the most commonly used unit worldwide outside of insurance companies and government offices.

    Don't get me wrong, though - I do not want metric hp to be the prime unit across Wikipedia. Kilowatts are the default lead unit for most cars of the last two-three decades, while imperial horsepower are still dominant in UK and US.

    What I recommend is that we always lead with the appropriate unit, instead of using a one-size-fits-all method. The appropriate unit is typically the one used in the car's home market when it was built, or the one used in the majority of reliable sources. It is rare that there is any conflict - the Peugeot 5CV, for instance, was built five decades before there was any thought to use kilowatts. Peugeot uses metric hp to describe it. The US-market Peugeot 505 is a bit less clear; for me, what matters is that the engines were heavily re-engineered for the US market, with federalized cars also receiving different sheet metal and a significant number of other technical changes. Again, all references for the US Peugeot 505 uses imperial hp to describe the car, from factory manuals to period articles to current writings about it.

    I am not entirely sure what Avi8tor wants to have changed, but describing a French car from the 1920s using kilowatts is anachronistic and in contradiction to MOS since it contradicts the units used in all reliable sources. There are always edge cases, like the US-market Peugeot 505, but those situations can and should be discussed. Avi8tor also has a problem getting metric v imperial hp mixed up with horsepower ratings systems like DIN vs SAE, gross versus net, and often drags in tax horsepower (which does not directly relate to power outputs) as well. Avi8tor has introduced factual errors, like here, where he carelessly changed the output from 110hp/81kW to 109hp/81kW. Minor to some, but still a factual error. Sorry about dragging you all into the bewildering world of horsepower...  Mr.choppers | ✎  13:30, 25 June 2024 (UTC)[reply]

    Mr.choppers is quick to blame me for something I did not do. As you can see from his reversion, the stated value prior to my convert template inclusion was hp & kW, He was happy with those the day before with a previous edit until I got involved, I chose kW as the primary unit. You didn't like what I'd done and changed the convert template to metric-hp and kW. Neglecting to follow the manual of style for a European Vehicle which would be kW & PS or metric horsepower, whatever you want to call it. The difference between the two units is about 1 horse. Avi8tor (talk) 15:06, 26 June 2024 (UTC)[reply]
    I just realized that Avi8tor cherry-picked from the MOS above, so here is the relevant text as it applies to older automobiles:

    In all other articles, the primary units chosen will be SI units (such as kilograms), non-SI units officially accepted for use with the SI, or such other units as are conventional in reliable-source discussions of the article topic (such as revolutions per minute (rpm) for rotational speed, hands for heights of horses, etc.) I have shared this sentence with them on numerous occasions but it remains unacknowledged.  Mr.choppers | ✎  13:34, 25 June 2024 (UTC)[reply]

    Peugeot 505, Peugeot 5CV discussion[edit]

    Please keep discussion to a minimum before being opened by a volunteer. Continue on article talk page if necessary.

    Zeroth statement by moderator (Peugeot)[edit]

    Are the editors interested in moderated discussion, subject to DRN Rule A? If so, I will ask each of the editors to start off by stating what they want to change in the article, or what they want to change that another editor wants to leave the same. I understand that one issue has to do with the units of power. Are there any other content issues?

    If you are citing the Manual of Style, please state exactly what section in the MOS you are citing, just so that we don't have confusion about what rulebook is being used. Robert McClenon (talk) 01:24, 26 June 2024 (UTC)[reply]

    The reference is Wikipedia:Manual of Style/Dates and numbers/Units of measurement/Unit choice and order. Shortcut MOS:UNIT or MOS:UNITS about halfway down the page.
    This debate in a nutshell is how we interpret the MOS. I see "In all other articles, the primary units chosen will be SI units", Mr.choppers sees "or such other units as are conventional in reliable-source discussions of the article topic (such as revolutions per minute (rpm) for rotational speed, hands for heights of horses, etc.". Sources can be cherry picked depending on what country they are from. USA all imperial, Australia all SI. I live in France, the owners manual for my two cars give power in kW only, as do owners manuals in the UK. Mr Choppers live in the USA so he'd prefer NON SI units worldwide. I follow the MOS and place SI units primary for countries outside the USA and UK. The MOS needs to be fixed to remove the ambiguity. Less than 50% of Wikipedia users are from the US or UK, all those other countries use SI. Wikipedia is for an international audience. All owners manuals for cars in Europe (including the UK) have kW for Power. I can send a copy of that page. Avi8tor (talk) 04:37, 26 June 2024 (UTC)[reply]

    Zeroth statements by editors (Peugeot)[edit]

    First statement by moderator (Peugeot)[edit]

    I will ask two questions that I have already asked, but that were not answered directly. First, do you agree to take part in moderated discussion, subject to DRN Rule A? Please read it (again, if you have already read it). Do not engage in back-and-forth discussion. I will ask the questions, and you will address your answers to me and to the community. Be civil and concise. Participation in moderated discussion is voluntary, and it will not continue unless the editors agree to the rules. Second, please state briefly what you want to change in the article, and where, or what you want to leave the same that the other editor wants to change. If you want to change the units of measure of the power, specify all of the locations that you want to change. Do not, at this time, explain why, only what you want. We can discuss why later. Robert McClenon (talk) 04:34, 27 June 2024 (UTC)[reply]

    First statements by editors (Peugeot)[edit]

    1) Of course. 2) I want the units of power to reflect the units used in reliable sources on the topic. For the Peugeot 505, that is kW/metric-hp (I would prefer to lead with metric-hp but it doesn't really matter) for all markets outside of North America, for the federalized cars I believe it should be non-metric hp and kW. This was the existing state of the article until 31 May 2024.  Mr.choppers | ✎  12:24, 27 June 2024 (UTC)[reply]

    1. Yes.

    2. I think the manual of style needs to be more specific in that the primary unit outside the USA should be SI as stated in the MOS. Consistency of the displayed unit is important. The unit/s following can be non SI. This would include RPM, hands or whatever is used in that field. I believe this way every English speaker on the planet will understand the unit they are used to. Avi8tor (talk) 12:43, 27 June 2024 (UTC)[reply]


    Second statement by moderator (Peugeot)[edit]

    The Peugeot 505 article currently lists the power for all engines primarily in CV, which is metric horsepower, and also provides kW, and hp (imperial hp). The Peugeot 5CV article lists power primarily in hp, and also in kW. The SI unit of power is kW (kilowatts). (That is, the watt is the basic SI unit of power, and automobiles have power that can be measured in kilowatts.) I am asking that any editor who wants to list the power primarily either in CV or in hp should provide a reason. One editor referred to cars made for the US market, for which hp is the standard unit of power, but I see no mention in the article of any cars that were specifically made for the US market. So my question is what reason is there for using any measure other than kW as the primary measure.

    Are there any specific suggestions for how the MOS should be changed or clarified?

    Are there any other issues than the units of power? Robert McClenon (talk) 00:48, 29 June 2024 (UTC)[reply]

    Second statements by editors (Peugeot)[edit]

    I think the primary problem is some editors read the statement "or such other units as are conventional in reliable-source discussions of the article topic" as meaning if they can find a source with their preferred unit, this gives them free reign to use a source unit other than kW, which I believe is not the intent of the MOS. Equally some argue that SI was not in existence so we can use the original unit.

    If a way can be found to more forcefully state the intent of the MOS or equally remove the statement that appears to give free reign.

    The other item not yet addressed is the "strong national ties". I see no strong national ties of this Peugeot model with the USA as it was still made in France and also exported to Australia. Reading the MOS on strong national ties, strong national ties has more to do with language and spelling in different countries. Avi8tor (talk) 06:02, 29 June 2024 (UTC)[reply]

    Both the CV (this is one of many abbreviations in use; there is no recognized abbreviation for metric hp) in the 505 article and the "hp" in 5CV refer to metric horsepower. Leading with kW works for me for the 505 but is historically incorrect for the 5CV, which was designed and sold and only ever discussed in terms of metric horsepower. Using both horsepower units would have a silly result, since the difference is only 1.4 percent:
    {{cvt|11|hp-metric|kW hp}}: 11 hp (8.1 kW; 11 hp)
    Here are a few references for the 5CV; all use metric horsepower: [1], [2], [3], [4] (5CV cars in general, no mention of kW), [5], [6], [7],
    The MOS is fine as is; it reads In all other articles, the primary units chosen will be SI units (such as kilograms), non-SI units officially accepted for use with the SI, or such other units as are conventional in reliable-source discussions of the article topic (such as revolutions per minute (rpm) for rotational speed, hands for heights of horses, etc.) (underlining mine). Reliable source discussions are exclusively metric hp for the 5CV, mainly metric hp but also kW for the 505 (excluding North America). Leading with kW for the 505 is fine, incorrect for the 5CV. I would still argue that the 505 is primarily a metric-hp design, which is why you see nice, even, marketable power outputs of 110, 130, 150, 160, and 180 hp (m). In the 1980s, European manufacturers typically released both DIN (metric horsepower) and EEC (kilowatt) ratings, see period technical description, pages 16 and 17. They lead with metric hp, FWIW.
    The section Peugeot 505#North America is limited to North American-market cars - federalized cars were significantly re-engineered, due to the completely different regulatory environment in the US, and there is almost no overlap in content between this section and the remainder of the article. All power and torque figures are different and are specific to US market models. There are currently seven cited works in this section; every one of them uses imperial hp exclusively. Unlike British or Australian market models, the US 505 was not merely an export model, this version has strong ties to the US.
    I am not saying that I get to cherrypick because I managed to locate a single reference which uses one unit or the other - when reliable sources, period or current, do not use kW at all, then it is anachronistic and misleading to lead with kW. Metric market cars built pre-SI should not lead with kW. Examples include Mercedes 15/70/100 PS, which is literally named after the metric-hp power output. In 1962 the power of the Mitsubishi Minica increased from 13 to 13 kW (17 to 18 hp; 17 to 18 PS) - this looks ridiculous if you lead with kW. The Fiat Uno 75 (and all Fiats of the era) is named for its output in metric hp. The VW Golf TDI 140 is named for its output in metric hp (as was the rest of the lineup). Avi8tor has already been debating this at Wikipedia_talk:WikiProject_Automobiles/Conventions#Power_and_Torque_units, where other editors agree that leading with the appropriate unit as per references is the correct option. But while the rest of the world continues to use metric hp as well as kW (with kW dominant for newer cars) to describe cars, Avi8tor is trying to create a one-size rule which will not make anyone happy and, which while meeting a particular reading of the MOS, violates other WP rules.
    The MOS leans towards SI units (which I agree with) but it also includes a carveout for using the units used in reliable source discussions. This is as it should be, because Wikipedia's purpose is also to reflect the sources as per WP:V. As per WP:SOAP it is not for us to ignore the units used by the manufacturer and by reliable sources (period and current), in an effort to advocate for SI adoption.  Mr.choppers | ✎  15:08, 29 June 2024 (UTC)[reply]

    Third statement by moderator (Peugeot)[edit]

    Is this disagreement only about which unit of power is mentioned first? Is there agreement that kW will be mentioned? If so, is it really that important which unit is mentioned first?

    When I said to read and follow DRN Rule A, I forgot to restate Rule A.1, "Be civil and concise", and in particular I didn't emphasize rule A.1.2, which says to be concise. I didn't ask for a 660-word explanation of why we should lead with CV.

    An editor writes:

    I am not saying that I get to cherrypick because I managed to locate a single reference which uses one unit or the other - when reliable sources, period or current, do not use kW at all, then it is anachronistic and misleading to lead with kW. Metric market cars built pre-SI should not lead with kW.

    When an editor says that they are not saying that they get to cherrypick, they usually mean that they are defending their cherrypicking. The Peugeot 5CV is pre-SI. The Peugeot 505 is not pre-SI.

    The Manual of Style provides for project-specific style guides, and the style guide that applies to automobile articles is: Wikipedia:WikiProject Automobiles/Conventions#Power and torque. I will ask each editor to state concisely whether they agree that we should follow the conventions used by the WikiProject, or whether they think that the conventions should be changed, or whether they can provide a reason to deviate from the conventions. Robert McClenon (talk) 18:03, 29 June 2024 (UTC)[reply]

    Are there any other content issues?

    Third statements by editors (Peugeot)[edit]

    Arecibo message[edit]

    Dispute resolved successfully. See comments for reasoning.
    Closed discussion

    Killing of Laken Riley[edit]

    – General close. See comments for reasoning.
    Closed discussion

    shakshuka[edit]

    – General close. See comments for reasoning.
    Closed discussion