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   rec.crafts.metalworking      Metal working and metallurgy      215,319 messages   

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   Message 214,696 of 215,319   
   Bob La Londe to Bob La Londe   
   Re: WHAT THE HECK IS GOING ON HERE?   
   17 Aug 25 10:46:21   
   
   From: none@none.com99   
      
   On 8/17/2025 10:44 AM, Bob La Londe wrote:   
   > On 8/17/2025 9:42 AM, Jim Wilkins wrote:   
   >> "ABLE1"  wrote in message news:UuloQ.18286$S8Ne.4273@fx45.iad...   
   >>   
   >> On 8/16/2025 4:55 PM, Bob La Londe wrote:   
   >>> WHAT THE HECK IS GOING ON HERE? It looks like the two streams are   
   >>> bouncing off of each other.   
   >>>   
   >>> https://rumble.com/v6xod8s-whats-the-heck-is-going-on-here.html?   
   >>> mref=1sqt4y&mc=42lue>   
   >>   
   >>   
   >> Answer:   
   >>   
   >> There are two(2) things going on!!   
   >>   
   >> !) Bob only typed two sentences on this posting!!   
   >>   
   >> 2) Magic!!   
   >>   
   >> That is all I have!!  :-)   
   >>   
   >> Les   
   >>   
   >> --------------------------------   
   >>   
   >> Cameras don't have binocular (stereoscopic) depth perception, the two   
   >> streams may pass without touching. Lack of depth perception is the   
   >> reason the movie / TV stunt of punching someone in the jaw works, the   
   >> victim reacts when the fist passes in front of them.   
   >>   
   >> Close one eye and try touching things from the side with a finger.   
   >> Your one open eye gives you an answer that may be wrong.   
   >>   
   >> https://en.wikipedia.org/wiki/Depth_perception   
   >>   
   >   
   > Its not a trick.  At least not that kind of trick.  There are in fact   
   > two laminar streams impacting and deflecting from each other.  Two cues   
   > in the video support this.  (1) There is a visible interface line   
   > between the streams.  (2) Periodically a perturbation or disturbance of   
   > some kind cause the two stream to converge for a fraction of a second.   
   > It is what it looks like.  Two laminar flowing streams making contact   
   > and deflecting from each other.   
   >   
   > I suppose I could have recorded a longer video (drained about 2 gallons   
   > this way), but I thought everything necessary to at least know what is   
   > happening if not the cause was available in the 9 second video, and   
   > making a longer video would have seemed like useless auto flagellation.   
   >   
   > This fluid started out as a mix of distilled water and about 5% SC520   
   > cutting fluid.  The tank has not been cleaned in a couple years.  I   
   > know.  My bad.  #2 way oil has been oozing out of the machine every 15   
   > minutes when the automatic oil is activated to lubricate the cast iron   
   > ways and ball screws.  I suspect it is more way oil than water, but I   
   > have kept the tank topped off with water and cutting fluid.  I haven't   
   > worried to much about it since I have ONLY use this particular machine   
   > for engraving for the last several years.   
   >   
   > Jim, I am disappointed.  In spite of your tendency to start off with a   
   > new topic at some point temporally displaced from the tangent point in   
   > some of your unrelated replies to topics, I figured this one would be   
   > right up your 7-10 split.   
   >   
   > One person (in a forum) said with authoritarian demeanor that, "This is   
   > a non Newtonian fluid."  I neither agree nor disagree.  I just don't   
   > know.  It was an interesting anomalous visible occurrence I found   
   > interesting enough to waste 9 seconds recording video, and an   
   > indeterminate number of additional seconds sharing the video with others.   
   >   
   > While it was happening I cut 3 molds that will be shipping to Hawaii.   
   > The day before I spent most of the afternoon cleaning out two machines   
   > and adding a coolant tap for a wash down hose.  I'll finish cleaning out   
   > this machine, and add a tap for a coolant hose to it today and tomorrow.   
   >   I'm also going to do an experiment with a dual tank design, that   
   > should isolate fines and floating oil to the first tank.  If I like how   
   > it works I may change all/most of my machines to a dual tank design.   
   >   
   > Now I am off to 3D model some fish hooks.  Yeah really.   
   >   
   > If I have time later today I'll make a one piece bulkhead connector for   
   > joining the two tanks.  Well, one piece body.  It will still have two   
   > nuts and two gaskets as well.  Well either that or go fishing.   
   >   
   >   
      
      
   I wonder if its possible the two streams are just flowing through each   
   other?  The visible cues would be the same.   
      
   --   
   Bob La Londe   
   CNC Molds N Stuff   
      
   --   
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