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  • #1798590
    vic evans
    vic evans
    Participant
    Joined: 25 Apr 2015
    Location: Brittany 29
    Total posts: 4066

    In all fairness to you, you did try to persuade me to not put in the 20mm copper to my shower, but this particular installation has a sex jet outlet and I wanted the maximum amount of pressure I could get, as you know Bernoulli’s principle states that an increase in the velocity of a fluid is accompanied by a decrease in pressure, so going smaller in diameter would have decreased the pressure from the jets, as it is the pressure from the jets is just what my other half wanted, so lots of brownie points obtained, I think I have used them all up now though. :-( Mike

    <hr />

     

    “Bernoulli’s principle?”,   “so going smaller in diameter would have decreased the pressure from the jets?”. Really?  You’re beginning to sound like the ‘enthusiastic amateur’ on this forum. A classic example of bullsh*t trying to baffle brains.

    How do you know that my suggestion wouldn’t have worked perfectly well & also reduced the amount of cold water drawn off before hot arrived which ‘proper engineering’ & a lifetimes experience tried to tell you? You don’t say how long your other half waits in anticipation before hot water arrives!

    To take your cock eyed logic to it’s silly conclusion 54mm pipework would have blasted her out through the shower screen. :wacko:


    The power of accurate observation is commonly called cynicism by those who have not got it.

    #1798593
    Avatar
    teapot
    Participant
    Joined: 10 Jul 2008
    Location: Tours
    Total posts: 2372

    this particular installation has a sex jet outlet and I wanted the maximum amount of pressure I could get,

    <hr />

    “Bernoulli’s principle?”, “so going smaller in diameter would have decreased the pressure from the jets?”. Really? You’re beginning to sound like the ‘enthusiastic amateur’ on this forum. A classic example of bullsh*t trying to baffle brains. How do you know that my suggestion wouldn’t have worked perfectly well & also reduced the amount of cold water drawn off before hot arrived which ‘proper engineering’ & a lifetimes experience tried to tell you? You don’t say how long your other half waits in anticipation before hot water arrives! To take your cock eyed logic to it’s silly conclusion 54mm pipework would have blasted her out through the shower screen. :wacko:

    <hr />

    The power of accurate observation is commonly called cynicism by those who have not got it.

    I want to know more about this sex jet and where to buy one :yahoo:

    Strong smell of coffee on this thread as Vic finally begins to see what I realised a long time ago :wacko:   Ever since clay roof tiles are not fired in a kiln according to Mikej the structural engineer I knew.  (just before you joined Vic)


    Raising the standards of swimming pool knowledge and technology.

    #1798596
    vic evans
    vic evans
    Participant
    Joined: 25 Apr 2015
    Location: Brittany 29
    Total posts: 4066

    I want to know more about this sex jet and where to buy one :yahoo: Strong smell of coffee on this thread as Vic finally begins to see what I realised a long time ago :wacko: Ever since clay roof tiles are not fired in a kiln according to Mikej the structural engineer I knew. (just before you joined Vic)

    Seems like you’re just using my post to try to score points over another member & who’s the ‘ wacko’ thingy meant for?.

    All I’ve smelt so far is bullsh*t & your post hasn’t changed that. :unsure:


    The power of accurate observation is commonly called cynicism by those who have not got it.

    #1798601
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    mikej
    Participant
    Joined: 21 Jun 2011
    Location: Dordogne sometimes and Kent the rest
    Total posts: 5287

    C’mon guys, taking things that literally is not playing the game is it, I did not say that increasing diameter increase’s the pressure.

    Clay Kent peg tiles where not traditionally kiln fired, but hand made in a wooden mould and air dried.

    Its so easy to take things out of context.

    Mike


    WFIPFLL

    #1798606
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    fittersmate
    Participant
    Joined: 08 Jun 2009
    Location: Brittany France dept 56
    Total posts: 1624

    mikej posted-

    “On all my recent plumbing work I have been using a Pipe Master soldering tool no chance of any fire with it and it works well despite what has been said on here before, I have even used it as a soldering iron in an emergency i.e. no other means of melting the solder”

    Ok- looked this tool up and it appears that 16 mm jaws for french standard copper pipe are not available, at least on the UK site – where did you get yours from?


    #1798607
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    mikej
    Participant
    Joined: 21 Jun 2011
    Location: Dordogne sometimes and Kent the rest
    Total posts: 5287

    I reamed out a set of 15mm jaws, or was it 12mm jaws, can’t remember exactly.  :unsure:

    Mike


    WFIPFLL

    • This reply was modified 24 Oct 2017 22:15 by  mikej.
    #1798620
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    fittersmate
    Participant
    Joined: 08 Jun 2009
    Location: Brittany France dept 56
    Total posts: 1624

    I reamed out a set of 15mm jaws, or was it 12mm jaws, can’t remember exactly. :unsure: Mike

    <hr />

    WFIPFLL

    I just emailed the company in the uk to find out what they have available.

    They say on their website that they have imperial sizes available so i have asked if they offer 5/8″  = 0.625″  so – 16mm = 0.629″ – possible?

    Alternatively I could buy the thing with 15mm jaws and machine them out to 16 mm on the lathe.

     

     


    #1798621
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    mikej
    Participant
    Joined: 21 Jun 2011
    Location: Dordogne sometimes and Kent the rest
    Total posts: 5287

    If I remember correctly, 15mm is the ID of UK pipe and 16mm is the OD of French pipe, so its quite close in comparison, I know it did not take much to make them fit and work effectively.

    Mike


    WFIPFLL

    #1798642
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    fittersmate
    Participant
    Joined: 08 Jun 2009
    Location: Brittany France dept 56
    Total posts: 1624

    As I remember the standards – imperial pipe was quoted in the bore size of the pipe and metric standard in outside diameter – the OD of the old 1/2″ bore copper pipe was very close to the metric standard 15 mm od and could be used with 15 mm fittings – where’s vic when you need him?


    #1798647
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    teapot
    Participant
    Joined: 10 Jul 2008
    Location: Tours
    Total posts: 2372

    Yes fittersmate you are correct, OD of 15mm copper pipe is 15mm.


    Raising the standards of swimming pool knowledge and technology.

    #1798731
    vic evans
    vic evans
    Participant
    Joined: 25 Apr 2015
    Location: Brittany 29
    Total posts: 4066

    where’s vic when you need him?

    Tractor driving & organising a team of mates taking down 25 x 20m high Laylandii trees bordering our country road with overhead ‘leccy cables onopposite side. :whistle:

    Yep! all metric sized copper tube denoted the O/D.

    1/2″ was close but from memory was too big to fit most 15mm metric fittings but in reality too long ago to be sure :unsure:

    I’ll leave the Google answer to ‘the experts’ :whistle:

     


    The power of accurate observation is commonly called cynicism by those who have not got it.

French Plumbing, Heating & Septic Tanks
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