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Virtual Frame
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Mar 5, 2008 at 7:23 am #1227639
Which way of using a foam sleeping pad as a virtual frame gives the best weight transfer ? (Assuming side compression straps are used to cinch the load tight, etc)
Option 1. Pad rolled into a loose tube with all the gear stuffed inside it.
versus
Option 2. Pad folded back and forth and stored along the back / inside of the pack.
Also, how well does the weight transfer of using the pad as a virtual frame compare to using a pack with a "framesheet" that is really just a thin piece of flat plastic ?
Thanks.
Mar 5, 2008 at 8:04 am #1423081I have done each method and I found that the rolled up pad with gear stuffed in the middle is mouch more effective at distro'ing weight. In the Grand Canyon last year I carried 32 lbs (8 lbs of gear and 2 gallons of water) and I was comfortable all things considered.
Mar 5, 2008 at 9:20 am #1423093The rolled tube works best for higher weights.
Another issue is the distance between the heavy dense things in your pack and your back. A 40" long .5" thick pad folded moves the weight a minimum of 2" away from your back and that can create a leverage effect.
A virtual frame can be just a rigid as metal stays. The advantage of metal stays is that you can bend them to conform to shape of your back.
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