Backpacking umbrellas

Re: Gustbusters, yeah, I've seen those, or ones like them; the vents make a big difference in stability in wind :thumbup:

[...]I don't really want to spend the money, but I need a way to waterproof my ultralight pack when I finally get it, and the GoLite compares favorably weight-wise and cost-wise with this one: http://www.equinoxltd.com/the-gear/ultralite-gear/terrapin-ultralite-poncho-shelter.cfm Beats this: http://www.campmor.com/outdoor/gear/Product___20275

Still like the umbrella better for day hiking though, or intermittent rains on a backpacking trip.

Slight drift, but have you considered using a liner for waterproofing your pack? I prefer depending on a liner (trash bag or dedicated drybag) to keep the contents of my pack dry, rather than the entire pack itself. Using individual waterproof stuff sacks to protect only the things that would suffer from getting wet is also a good way to go. I liked using the poncho for an added layer of protection, and to prevent carrying additional water weight if the pack gets soaked, but I'd ultimately depend on my liners to keep my stuff dry.

A 4mil trashbag or similar heavy duty trash bag or barrel liner, combined with a dri-ducks rain suit, would put you at only a slightly heavier weight but probably around 1/3 the cost vs. a silnylon poncho-tarp. I will say, though, that I love the versatility of the poncho tarp for non-critical, just hanging out, tarp use. :thumbup: Nowadays, if I want to sit down in some shade or out of the wind, but still retain a view of the surroundings, I have to bring a separate tarp...

Anyway, back to the OP, I think the umbrella would work for day hiking or intermittent rains, any sort of use where the weather won't be really demanding or sustained.
 
Your drum liner would definitely work trimmed. The only annoyance with the drum liners and trash bags is that they're black and so wide, that it can sometimes be hard finding things in the pack, but for the price, they're tough and very much functional. When it wears out, you have a whole box more of em :thumbup: If you like the system, you can think about getting fitted pack liners for convenience and weight, and dedicated dry bags in fancy fabrics if you wish. I'm currently using a dry bag pack liner in 1.0oz/yd^2 cuben, and it's been treating me well.

If you keep your liner buttoned up (various methods -- the simple spiral tight-twist + fold/roll/overhand knot is effective for pretty much anything you'd encounter short of full submersion...and even then it'd buy you time), you stuff will stay dry. I've done lengthy day hikes in rain with pack liners and nary a problem. I have yet to do a full-on sustained-dumping backpacking trip with a pack liner, but intermittent rain on past trips has been fine (there have been times when it does indeed get annoying to don and doff a poncho). Condensation should be a non-issue. The only issue I think MAY be worth a thought, as I alluded to, is your having to carry extra water weight on a soaked pack. But I don't have any concrete, quantifiable, experience to validate or invalidate that yet.

The only vulnerable electronics I have are my phone and my camera. My headlamp and small keychain lights are all waterproof enough to withstand rain and a little soaking (usually in hipbelt or pockets). The phone is stashed away in a ziploc in the pack or hipbelt already, so no problem there. The camera (point and shoot) is usually riding on my belt for easy access, and it is protected when I'm wearing either a poncho or rain-jacket. If I ever feel that isn't enough, taking pics when exposed to the weather wouldn't be worth the risk at that point, and into the pack and liner the camera would go :thumbup:
 
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