Talk:Chain pump

message: I just expanded the article with a brief mentioning of its application in ancient China.
--PericlesofAthens 13:43, 22 March 2007 (UTC)
thread_title: Early comments

message: I came to this talk page because I saw the same problem that 68.0.124.33 reported at 05:22 on 8 January 2008 (UTC).  And then I read a lot of the other comments, and then I read some other pages about other pumps.
My suggestion: why not create an overview page called something like "Early Pumping Methods" (or "Primitive Pumping Methods", or whatever, or even "Pumping Methods" to list even modern pumps (like centrifugal, diaphragm, gear, piston), and then describe (generally) all of these different pumps, maybe what each pump might have descended from, and then refer the reader to other pages to see the details about any particular pump type?
I'm not fleshing that idea out very much, but it would seem helpful to solve some of the problems of classifying the various types of pumps.
BTW, I strongly agree with 68.0.124.33, the opening paragraph describes only one type of chain pump, and that is a definite deficiency.
--Rhkramer (talk) 18:36, 26 April 2012 (UTC)
thread_title: Still Crazy after all these Years?

message: See result.
Issues with verifiability of Chinese devices-are they all chain pumps? Definition asks for a (closed) "tube", these square-pallet pumps seem to be open (3-sided trough, not a closed tube).
 
Smb. who has access to quoted books should check again (see "dubious" tags) if examples left on the page indeed chain pumps or sakia, noria, whatever else (the Chinese probably have different names, but the principles are similar, just pay attention to the DEFINITION: chain pump = disks in closed tube, or at least similar).
Smb. else please check the FAO picture showing a PERFECT CHAIN PUMP, which I recommended in my previous talk-page message - the very long one :-)   If it's free for use, I suggest you put it at the top.
Maybe after checking, remove Chinese illustration (looks nice, but does NOT illustrate the principle; lower one is missing essential, lowest part, all what's visible are cogwheels and chains with jugs, not a trace of the must-be tube; upper picture is a square-pallets pump at the very best (IF that on the right is a trough), which itself might NOT be eligible as chain pump even with a lot of good will; if it IS, then adapt definition: "tube or 3-sided trough" - either or!).Arminden (talk) 23:08, 16 February 2015 (UTC)
replies: text: Fig. 53 a and b indeed. There is also at least one picture of a "modern" chain pump on Wikimedia: pompe à eau de Fixin If I'm not wrong it is wrongly categorized among piston water pumps. See also . Note the visible start of the two tubes ( the one forward looks like it's only a fixation but there's a tube ). Inside runs a one half, one inch or two inches thick iron chain with rubber plugs each five or seven links apart. Mismatches sometimes occur with the chain where it's led around the upper grooved wheel, so the usual pump had less cover than here but those were of cast iron and most went back to the foundry. The town of Fixim pump shown is one probably with a relatively thin chain of steel inside. --Askedonty (talk) 23:54, 28 June 2015 (UTC)
thread_title:  Fixed what I could