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These packs are far from UL, but the stay design intrigues me. It's similar to the "T-Rex" stay on the Exped lightning, but using rod instead of flat stays.
It's overbuilt for lightweight loads (solid titanium), but the shape seems like it could work very well in conjunction with a lumbar pad.
keep in mind, these packs are designed to haul 100+lb loads. they are relatively light when compared to similar packs in that aspect.
the feedback on them is great so far.
Certainly, I was just suggesting that a lighter aluminum rod or even tubing may be sufficient for lightweight pack DIYers over the titanium rod.
The overall frame is upside down. The "T" section belongs on the bottom where you can create a solid mount between the hip belt, frame and user…say by using a few loops. The shoulder harness/load lifters countrol how far from your body the pack will ride.
The lower pointed bottoms on the T shape will cause the pack to flex around the frame, pretty much negating any stiffness provided. Much of the weight will ride on the shoulders. This becomes worse as loads increase beyond 30 pounds. I am VERY sensative to this because of an old neck/shoulder injury. I cannot carry more than 10 pounds on my shoulders without discomfort the next day.
The Gossamer Gear Gorilla does this, too. It failed with a 27 pound load for me.
^^^^
“The overall frame is upside down. “
Interesting opinion.
Have you tried this pack, or are you just assuming, based on the UL gear you’ve experienced?
They seem to think it works pretty well. The Video is pretty impressive.
Mostly, just assuming. I have a couple 4000+ci packs, one that has a "U" frame that mounts the hip belt. This is a monster load carrier.
I used to be the family mule for the wife and kids with that pack, often with 60-70 pounds of gear/food/water in it or tied to it. It is about 35 to 40 years old and I still use it as a training pack with 50 pounds in it. It only weighs about 2#3 including the hip belt. I have never seen another with a magnesium frame and that light. I still believe that no pack designed to carry 30 pounds or less needs to weigh more than 1 pound based on my experiences with that pack. But, no, I have not tried the Exo 3500.
They carry an additional 100lb in this video
250lb carry capacity seems close enough for my needs.
james: i get what youre saying but comparing this pack to one from GG that you have experience with is like a bicycle and a 1 ton diesel truck.
this pack was designed to compete with the kifaru bikini frame and the stone glacier krux frame. not anything weighing 3lbs or under.
josiah: if a way was found to replicate the frame design, with lighter materials, designed closer to desired load weight, it could be a very solid idea, bridging the weight gap between frame/frameless packs. maybe for those still carrying 30-35lbs
I was not refering to Gossamer Gear packs except in passing. I am pretty dedicated to them for light weight packing, the lightest I used to be able to find at 6.5oz for 3000+ci.
No the pack I was talking about was an old Syracuse(?)pack. Sorry, the label has long past shredded and become a piece of fuzz. It weighs 2#3, has a magnesium frame and mounts the belt directly to the "U" shaped magnesium frame. I have carried 60-70 pound loads 8-10 miles with it. THIS WAS NOT THE GG PACK. (I think I have a 15-20 different packs.)
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