Talk:Escapement

message: Is there any information about Prof. Hall and his clock?  The obituary quoted in the article is essentially content-free.  "18 tons of concrete" isn't an interesting feature... and the alleged 0.01 seconds in 3 months would make it better than a Shortt clock.  If that is true, it would be good to know how it was done; if there is no data perhaps it should be deleted as an unsupported tale. Paul Koning 22:00, 22 March 2007 (UTC)
thread_title:  Prof. Hall 

message: Shouldn't the escape wheel turn counter-clockwise in the animation? The way it is drawn shows the recieving pallet on the left, and the discharge pallet on the right.
:Absolutely.  And it doesn't look like an actual escapement.  Does anyone here know how to do animations for Wikipedia?  A simple animation of, say, the Graham deadbeat escapement would be nice.  And for completeness the anchor escapement from a watch.  Paul Koning 22:03, 22 March 2007 (UTC)
thread_title:  Remove the impostor animation! 

message: There should be a section on magnetic escapement, used principally and for many years in watches of the tuning-fork type.
Clifford magnetic escapement:
http://p098.ezboard.com/fhorofindfrm13.showMessage?topicID=2.topic
Elgin magnetic escapement:
http://p098.ezboard.com/fhorofindfrm13.showMessage?topicID=3.topic
--Wfaxon 06:58, 31 August 2006 (UTC)
replies: text: Is that the escapement used in the Accutron? If so I think there should be something. I came to the Escapement article looking for information on the Accutron, and there is nothing here. Rees11 (talk) 14:19, 29 October 2008 (UTC)
replies: text: Technically tuning fork watches don't have an escapement.  The tuning fork is excited by a transistor electronic oscillator circuit, like a quartz watch. --ChetvornoTALK 17:11, 29 October 2008 (UTC)
thread_title:  Magnetic escapement 

message: Under 'anchor escapement', it says "The anchor escapement is the immediate ancestor of the escapements used in nearly all modern mechanical wristwatches."  Unfortunately, the article does not tell us which escapement is actually used in nearly all modern mechanical wristwatches...  Can someone add this?
--Wws 02:43, 15 November 2006 (UTC)
thread_title:  Lever escapement 

message: I want to compliment whoever wrote the description of the Shortt free pendulum escapement.  I've read a number of explanations of that escapement, and this is the first one I've really understood.  Thanks! --Chetvorno 16:18, 5 August 2007 (UTC)
replies: text: What about writing an article on the Shortt clock?  It has lengthy descriptions here and in pendulum clock which could be broken out into an article. --ChetvornoTALK 18:46, 28 November 2007 (UTC)
thread_title: Good job on Shortt clock

message: Under History it says that the earliest known escapements were Chinese: in Xi Ying's 723 astronomical globe and Su Song's 11th century clock tower.  Is it known what type of escapement they were?  Were they verges?  I believe the Chinese government has constructed a working model of the Song clock, so they must know about the mechanism.  --Chetvorno 16:59, 5 August 2007 (UTC)
replies: text: Looked it up, they weren't verges  --ChetvornoTALK 18:46, 28 November 2007 (UTC)
thread_title: Early Chinese escapements

message: The current article is solely concerned with clock escapements. A contribution I made concerning another type of escapement was removed with subsequent notice to me as follows"
: Hi!   I removed your recent addition of use of escapements in model airplanes from the Escapement article.  As I mentioned in my comments, I think the stuff you added as interesting, useful, and referenced, but I don't think it is in the appropriate article.  While the system you described used escapements, as well as relays and magnets, I think the subject matter is really about model airplanes and it should not really be mentioned in the article about escapements, relays nor magnets.   If the model airplane article is too long, you might want to just make a new article and put a reference in other places.  You can recover your text by looking through the article history.  If you need help doing so, let me know, and I'll help.   Wrs1864 (talk) 04:37, 29 January 2008 (UTC)
replies: text: I was about to make the same suggestion.  I agree that having both subjects in one article is confusing.  The standard solution is just as you describe it: create new articles for each of the different topic.  Then rename the original article and create a disambiguation page for "Escapement".  Alternatively, if the consensus is that most people who type in "Escapement" are looking for a clock/watch escapement, the standard approach is to leave the existing article with its existing name, and put a template at the top that produces text like "For other uses, see "Escapement (disambiguation)"."  You can see the latter at work in [Clock].  Paul Koning (talk) 20:54, 29 January 2008 (UTC)

text: I think the current article is too clock-centric, considering that many other timekeeping devices use them.  If this article gets renamed, I would suggest "Escapement (horology)".   Judging by a google search on "escapement", it appears that most uses are horological in nature, so keeping this article as "escapement" and creating a "escapement (disambiguation)" page seems like the best to me, but that's just my opinion.  Another advantage of not renaming this article is we wouldn't need to chase down all the wikilinks and point them to the new article.  Wrs1864 (talk) 21:09, 29 January 2008 (UTC)
replies: text: I am used to fixing links and volunteer for that task, so that should remove that consideration. - User:Leonard G. 01:29, 30 January 2008 (UTC)

text: As I have seen no further response here, I am proposing to move this to Escapement (horology), with the article becoming a general article on escapements with small sections on the various types, with appropriate main templates and various inline "see also" inserts as appropriate. This will include changing referring articles appropriately. I think that this is better than a disambiguation page which would not be appropriate for a general article  on escapements of various types and their diverse applications. This work will be done next week (without objection), otherwise I will solicit opinions from contributors to this and also to related articles on objects that employ escapements. - Leonard G. (talk) 19:19, 31 January 2008 (UTC)
replies: text: I think there is vastly more material on horological escapements and much more interest in them than any other use.  I googled the word 'escapement', and out of the first 76 hits referring to mechanical escapements only 14 even mentioned non-horological uses, and most of those were just dictionary definitions.  Going through another page is an unreasonable complication for the vast majority of readers who are looking for info on clock or watch escapements.  I favor Paul Koning's suggestion that this article not be renamed, but links be added at the top to take readers to articles on non-horological escapements. --ChetvornoTALK 22:06, 31 January 2008 (UTC)
thread_title:  Sub-article proposal 

message: I removed the following sentence:  It also keeps the pendulum or balance wheel moving by giving it small pushes. since it didn't seem to make any sense. If I'm mistaken, feel free to put it back. - Special-T (talk) 04:14, 27 March 2009 (UTC)
replies: text: I put the sentence back.  It's correct; each time the escapement is released, it gives a tiny push to the pendulum, carefully designed so as to disturb its motion as little as possible, just enough to keep it swinging.  However I admit that this description (which I wrote) is unclear, and I don't know how to make it clearer.   I'm glad you brought up this point.  An escapement is a difficult mechanism to understand, because it is doing two things at once, in opposite directions.  Energy from the clock's mainspring is applied through the escapement to keep the pendulum going, and in return the pendulum, through the escapement, controls the clock's wheels, moving them forward at precise time intervals.  If you can come up with a better way of explaining this in a few sentences, go ahead.  My feeling, however, is that this  may be the best that can be done in the brief introductory paragraphs.  Maybe the following sections should be rewritten to provide a really good explanation.  --ChetvornoTALK 08:51, 27 March 2009 (UTC)
thread_title:  Removed sentence 

message: Would the Escapement page benefit from an animation of the Gravity Escapement?  I've done this one in order to explain the operation of the Trinity College Clock
Hughhunt (talk) 10:29, 21 February 2010 (UTC)
replies: text: Yes!  What a great animation, reveals the operation of the escapement perfectly!  Go ahead and add it.  Can I ask what application you used to make it?  --ChetvornoTALK 02:19, 22 February 2010 (UTC)
thread_title:  Gravity escapement 

message: The article contains 54 references in support of its content.  However, only the first 37 appear in the 'Notes' section at the end of the article.  I cannot figure out how to make the missing 17 appear.  Also should not the 'notes' section be entitled 'references' to match the majority of other articles?  86.149.78.201 (talk) 17:14, 31 May 2013 (UTC)
replies: text: Fixed. There was an unclosed comment in #37 which must have confused the software. I'm surprised it didn't loose the rest of the text itself.--Roly (talk) 18:15, 31 May 2013 (UTC)
thread_title:  Problem with references. 

message: Mechanical escapements can be categorized into three categories, which also follow roughly the historical order of their invention: (a) recoil escapements; (b) deadbeat escapements; (c) free escapements. Wouldn't it be worthwhile to organize the currently 13 mechanical escapements under these headings (as does, e.g., the German WP)?
haraldmmueller 16:09, 22 September 2013 (UTC)
thread_title:  Organizing mechanical escapements? 

message: The article states twice that only about 10 escapements "stood the test of time and were widely used" / "about 10 have seen widespread use." Of course, the truth of this depends on what is meant by "widespread" - but I am quite sure that the number of "important" (my word) escapements is higher. For example, Riefler's free escapement (which even has its own article here in the English WP) and Riefler's gravity escapement are definitely worth mentioning as the climax of mechanical escapement design for astronimical clocks. Of course, the number built of these two is small (at most a few 100), but in the world of high-precision clocks, this already amounts to "widespread" use. In the same vein, a number of escapements for tower clocks must IMHO be added to those in "widespread use".
Together, I am very sure that the number will then be more on the order of 20 or even 25, not 10. 
Therefore, I propose to change the two 10s to 20s.
(And if challenged, I might find time to create a short list here about these "important escapements" to prove my point ... ;-) )
haraldmmueller 16:21, 22 September 2013 (UTC)
replies: text: Most people think of "widespread use" as use in consumer clocks, not astronomical regulators.  Plus you'll need a WP:RS.  I agree about adding the Reifler escapement to the article, however. --ChetvornoTALK 17:16, 22 September 2013 (UTC)
thread_title:  Number of mechanical escapements in "widespread" use? 

message: Hello fellow Wikipedians,
I have just modified  on Escapement. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
*Corrected formatting/usage for http://www.geocities.com/mvhw/anchor.html
*Corrected formatting/usage for http://www.geocities.com/waterburywatch/history.html
When you have finished reviewing my changes, please set the checked parameter below to true or failed to let others know (documentation at ).
Cheers.—cyberbot IITalk to my owner:Online 12:28, 4 July 2016 (UTC)
thread_title:  External links modified 

message: Hello fellow Wikipedians,
I have just modified 3 external links on Escapement. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
*Added archive https://web.archive.org/web/20080218171021/http://www.history-science-technology.com/Articles/articles%2071.htm to http://www.history-science-technology.com/Articles/articles%2071.htm
*Added archive https://web.archive.org/web/20080611094453/http://www.timezone.com/library/horologium/horologium631670193290479607 to http://www.timezone.com/library/horologium/horologium631670193290479607
*Added archive https://web.archive.org/web/20050219011511/http://www.bhi.co.uk/hj/August04AoM.PDF to http://www.bhi.co.uk/hj/August04AoM.PDF
*Added  tag to http://www.findarticles.com/p/articles/mi_qn4158/is_20010816/ai_n14411695
When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.
Cheers.—InternetArchiveBot (Report bug) 17:10, 24 May 2017 (UTC)
thread_title:  External links modified 

message: Hello fellow Wikipedians,
I have just modified 3 external links on Escapement. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
*Corrected formatting/usage for http://www.geocities.com/mvhw/anchor.html
*Added archive https://web.archive.org/web/20071224123113/http://www.iinet.com/~holmstro/hsn_article.php to http://www.iinet.com/~holmstro/hsn_article.php
*Corrected formatting/usage for http://www.geocities.com/waterburywatch/history.html
When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.
Cheers.—InternetArchiveBot (Report bug) 03:29, 5 September 2017 (UTC)
thread_title:  External links modified 

message: The Coaxial escapement section's last paragraph says:
>Although a highly ingenious escapement design, the Daniels coaxial nevertheless still needs lubrication to the lever pallet pivots. In addition, because of its geometry the impulse wheel can only have a limited number of teeth, thus it is necessary to have an extra wheel and pinion in the wheel train the pivots of which also need lubricating. Therefore, the advantages of this escapement over the lever are of an uncertain value.
This has no citation, and I think it's also incorrect. Daniels and Omega used to mate the driving gear with the teeth of one of the impulse wheels, but both Omega and R. W. Smith now instead stack a driven pinion co-axially with the two impulse wheel layers, just like the lever escapement does with its impulse wheel. Therefore there isn't an "extra" wheel and pivot in the wheel train.
Also, the first sentence describes another similarity the coaxial escapement shares with the lever escapement, and is superfluous.  — Preceding unsigned comment added by Poultryjimmy (talk • contribs) 04:26, 14 December 2020 (UTC)
thread_title:  Unsourced paragraph in Coaxial section