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  1. #1
    Senior Member E.A.Y.'s Avatar
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    Dry sacks with the Molly Mac Pack

    I use dry sacks with my pack, strapped on with 1/2" polypro straps.

    My first dry sack, a Sea to Summit 'lightweight dry sack', is soft and flexible. The surface of the sack is not too slippery, so it is not necessary to get crazy with cinching down the straps on the bag.

    I decided that the 20l bag was too big - although it could hold all my critical dry stuff, it required longer than usual straps and stuck out a mile on either side of my pack.

    So I replaced it with an 8 liter and a 13 liter bag. By the time I went to REI to get the bags, the original S2S "lightweight dry sack" had been replaced by some labeled "ultra-sil".
    These bags are less flexible and more slippery then my original bag.
    I've used these replacement bags for a while, being reasonably careful to not abuse the bags.

    When packing for my most recent trip, one of the bags ripped - a small slit parallel to the opening of the bag. It was close enough to the opening that I could rearrange my stuff and roll the closure down past the slit.

    Looking at the location of the slit, I think it could have been caused by my cinching down so hard on the slipperier ultra-sil bags. The straps could have caused abrasion, leading to the tear.

    Checking at a REI store, yielded only the ultra-sil bags and some newer and even more expensive S2S eVac bags. Online, REI still offers the "lightweight dry sacks".

    I would recommend the more inexpensive Sea to Summit bags for use with the Molly Mac Pack.

    Here's me and my pack.

  2. #2
    Kapang!'s Avatar
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    Good info. Thanks. I like that set up with the ursack on the outside.

  3. #3
    BillyBob58's Avatar
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    I have long tried to figure out the perfect solution for this. I sure wish there were some really lightweight dry sacks available which had a couple of little belts on them- light versions of the loops you put your strap through on the MMP. Then I would not feel the need to tighten down so much on my dry sacks to keep them from falling off. But I guess there is very little demand for such a sack among the UL crowd. But so far I have got by OK with just using my Sea to Summit dry sacks and even some clear (orig for cooking?) or large zip lock bags. It has worked so far.

    Kind of like this, but lighter:
    http://www.backcountry.com/outdoor-r...kgQmFnczoxOjM3

    or this (Lash loops provide attachment points):
    http://www.backcountry.com/sea-to-su...nkgQmFnczoyOjQ
    Last edited by BillyBob58; 09-24-2013 at 12:09.
    For I consider that the sufferings of this present time are not worthy to be compared with the glory that is to be revealed to us....that the creation itself also will be set free from its slavery to corruption into the freedom of the glory of the children of God. For we know that the whole creation groans and suffers the pains of childbirth together until now.
    Romans 8:18,21-22

  4. #4
    WV's Avatar
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    I made a set of 4 stuff sacks with strap attachment loops out of lightweight ripstop, and then made a set of cuben dry sacks sized to fit inside them. One of the ripstop sacks is double-ended, and it has two half-length dry sacks to go inside, so the load is compartmentalized and accessible from either end of the outer bag. I think the combination ripstop and cuben bags are lighter than most commercial dry sacks, and the outer bags attach securely so I don't need to cinch the straps so hard that I risk damaging the bags. Even so, items with a little bit of structure, like rolled cf pads or tenkara fishing rods are easier to attach to the MMP.

  5. #5
    BillyBob58's Avatar
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    That sounds like a very good idea !
    For I consider that the sufferings of this present time are not worthy to be compared with the glory that is to be revealed to us....that the creation itself also will be set free from its slavery to corruption into the freedom of the glory of the children of God. For we know that the whole creation groans and suffers the pains of childbirth together until now.
    Romans 8:18,21-22

  6. #6
    Cali's Avatar
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    There we go, more sewing projects to put on the list. Now if I could just find the time to start sewing.
    Happy Hangin!!!


    AKA BajaHanger

    You cannot solve a problem with the same mind that created it. -Albert Einstein

  7. #7

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    It would seem to me that the better approach would be regular stuff sacks with a waterproof liner bag. Unless you are going to be on the water and worried about a sunken bag there is no pressure issue so a simple plastic bag with the end tucked is sufficient for a water barrier. That also means that needle holes for strap holders would not be a problem for the outer bag.
    YMMV

    HYOH

    Free advice worth what you paid for it. ;-)

  8. #8
    MacEntyre's Avatar
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    EAY, your rig is looking much neater and trimmer! Very nice!

    - MacEntyre
    "We must, indeed, all hang together or, most assuredly, we shall all hang separately." - Ben Franklin
    www.MollyMacGear.com

  9. #9
    Senior Member E.A.Y.'s Avatar
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    Quote Originally Posted by MacEntyre View Post
    EAY, your rig is looking much neater and trimmer! Very nice!

    - MacEntyre
    Thanks, Mac. I'm not losing any weight but my pack has.

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