Back to the thread topic...
...The revocation was based (on) multiple field failures in 2007. ...
I assume no one is saying what the nature of or cause of the failures was? I suspect it had to do with having to tie the overhand knot against the top flap of the bag and folks not doing it properly, or not cinching the bag down good and tight first, thus leaving an opening that could be taken advantage of. (Reason I think that is it's odd that it's apparently failing in the field, but survived the bear in the zoo that they let work the bear cans over as part of the approval process. Must be related to use then.)
Or, was it more to do with the incident on the North Fork that Steve Larson posted about where (it was suspected) a marten ripped his Ursack to shreds?
I hope the SIBBG isn't basing their ruling on just Mr. Larson's report as it was never actually determined that it was a bear that did the damage. Evidence seemed to indicate something else. Also, he was not using the version w/the liner.
When the president of the company responded to Mr. Larson's post (see
Ursack Failure Thread), back in August, he said:
The approved Ursack S29 Hybrid has not had a single product failure of the fabric or the liner. There has been one incident we know of this year in which a thru hiker failed to cinch and tie the top correctly and a bear got his food. I assure you it is possible to cinch the top of an Ursack completely so that there is no opening. Instructions are under FAQs on our website and are also sent with email sales confirmation to our internet customers.
We have had several reports of bears attacking the S29 (with and without aluminum) this year and in NO case has the bear gotten a food reward.
Either way, what a drag! My wife and I sure enjoyed using the Ursack w/the aluminum liner this year. Much lighter and easier to pack and manage than one of the "hard" bear cans. It was truly a pleasure to use. I sure hope they can address whatever the issue was. Sigh.
BTW, a friend and I were up on Whitney last May, when it was still pretty cold, and took a BearVault. After sitting out overnight (in the teens), took the two of us, and a cup of boiling water poured on the threads to get the darn thing open! What a pain.