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Thread: Sorts of home-made rebreathers?

  1. #1
    RBW Member Anthony Appleyard is an unknown quantity at this point Anthony Appleyard's Avatar
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    Sorts of home-made rebreathers?

    Of home-made rebreathers, how many are completely new, rather than adaptations of other rebreathers or parts of them?

    What is NGR which has been mentioned in previous threads in this forum?

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    Thinker n Tinkerer Sparedone is an unknown quantity at this point Sparedone's Avatar
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    Re: Sorts of home-made rebreathers?

    Quote Originally Posted by Anthony Appleyard  View Original Post
    Of home-made rebreathers, how many are completely new, rather than adaptations of other rebreathers or parts of them?

    What is NGR which has been mentioned in previous threads in this forum?
    Over the years there are dozens, further back in the archive or currently on fb.

    Is this the NGR you mean?

    http://www.rebreatherworld.com/showt...-of-the-Future

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    RBW Member Anthony Appleyard is an unknown quantity at this point Anthony Appleyard's Avatar
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    Re: Sorts of home-made rebreathers?

    Thanks; but I was wondering what the acronym NGR stood for. I started diving before acronyms became so common in scuba diving.

    What easily-available materials do you make the breathing bag from? How do you make the seams airtight?

    Quote Originally Posted by Sparedone  View Original Post
    Over the years there are dozens, further back in the archive or currently on fb.

    Is this the NGR you mean?

    http://www.rebreatherworld.com/showt...-of-the-Future

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    RBW Member ECho is an unknown quantity at this point ECho's Avatar
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    Re: Sorts of home-made rebreathers?

    NGR = Next Generation Rebreather

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    All IMVHO obviously... Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field's Avatar
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    Re: Sorts of home-made rebreathers?

    Quote Originally Posted by Anthony Appleyard  View Original Post
    What easily-available materials do you make the breathing bag from? How do you make the seams airtight?
    Various types of PU, welded with RF.

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    Just add ice & water plazma is a name known to all plazma is a name known to all plazma is a name known to all plazma is a name known to all plazma is a name known to all plazma is a name known to all plazma is a name known to all plazma is a name known to all plazma is a name known to all plazma is a name known to all plazma is a name known to all plazma's Avatar
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    Re: Sorts of home-made rebreathers?


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    RBW Member yorkie_chris is an unknown quantity at this point yorkie_chris's Avatar
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    Re: Sorts of home-made rebreathers?

    Quote Originally Posted by Anthony Appleyard  View Original Post
    Thanks; but I was wondering what the acronym NGR stood for. I started diving before acronyms became so common in scuba diving.

    What easily-available materials do you make the breathing bag from? How do you make the seams airtight?
    Buy MSR bags and use those.
    Motorcycle inner tube.

    All sorts of things can be used for bags.

    My inner bags are Ben Fields welded PU...

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    RBW Member Anthony Appleyard is an unknown quantity at this point Anthony Appleyard's Avatar
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    Re: Sorts of home-made rebreathers?

    Quote Originally Posted by Ben Field  View Original Post
    Various types of PU, welded with RF.
    Sorry again, but please what do these initials mean:

    PU : presumably not polyurethane, as polyurethane is a solid foam.

    https://en.wikipedia.org/wiki/Polyurethane

    RF : radio-frequency?

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    RBW Member yorkie_chris is an unknown quantity at this point yorkie_chris's Avatar
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    Re: Sorts of home-made rebreathers?

    Polyurethane is not just foam it is a polymer that can take many forms

  10. #10
    All IMVHO obviously... Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field has a reputation beyond repute Ben Field's Avatar
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    Re: Sorts of home-made rebreathers?

    Quote Originally Posted by Anthony Appleyard  View Original Post
    Sorry again, but please what do these initials mean:

    PU : presumably not polyurethane, as polyurethane is a solid foam.

    https://en.wikipedia.org/wiki/Polyurethane

    RF : radio-frequency?
    Yup, its how we weld all diving plastic sheet applications- DSMB's, Wings, CL's and life jackets etc.

    Most sheet applications are PU based, either raw or impregnated with nylon or other base fabrics or as a backing layer on cordura.

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