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Thread: Sprague Gas Booster S-86-JN-100

  1. #11
    Reads fine print (mostly) Skipbreather has a brilliant future Skipbreather has a brilliant future Skipbreather has a brilliant future Skipbreather has a brilliant future Skipbreather has a brilliant future Skipbreather has a brilliant future Skipbreather has a brilliant future Skipbreather has a brilliant future Skipbreather has a brilliant future Skipbreather has a brilliant future Skipbreather has a brilliant future Skipbreather's Avatar
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    Re: Sprague Gas Booster S-86-JN-100

    Here's a link to the operation manual:

    http://fergusonengineering.com/files..._Manual_07.pdf

    Note (page 4) that the -100 model you have is a 100 to one boost ratio and might not be the best choice for scuba boosting. While it CAN reach high pressures, it would be s-l-o-w and use a LOT of drive air. Check out its min input/ output pressures. I have 2 Sprague S-86-JN-30 models and they work quite well for my CCR needs. I suspect you might be happier in the long run if you sell the -100 and find a -30 or some other more appropriate booster.

    Ken

  2. #12
    RBW Member Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36's Avatar
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    Re: Sprague Gas Booster S-86-JN-100

    Quote Originally Posted by Skipbreather  View Original Post
    Here's a link to the operation manual:

    http://fergusonengineering.com/files..._Manual_07.pdf

    Note (page 4) that the -100 model you have is a 100 to one boost ratio and might not be the best choice for scuba boosting. While it CAN reach high pressures, it would be s-l-o-w and use a LOT of drive air. Check out its min input/ output pressures. I have 2 Sprague S-86-JN-30 models and they work quite well for my CCR needs. I suspect you might be happier in the long run if you sell the -100 and find a -30 or some other more appropriate booster.

    Ken
    Very true. I have 2 30's and a 60 which all work fine. The 30 needs more pressure than the 60 does to do the job.

  3. #13
    RBW Member Fldvr is an unknown quantity at this point Fldvr's Avatar
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    Re: Sprague Gas Booster S-86-JN-100

    Sprague boosters are three best boosters for the buck on the face off the earth!!!!!. And I'm Portuguese
    They absolutely pump O2 just fine, just listen very carefully to Don's advice on pumping speed. I was pumping at 3 or 4 times what he was until he told me what he was running.

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