Sounds like I need to use roughly twice as much. Are you in the Bay Area, Jeremy? Maybe next year I'll trade some beer for some supervision. :-)
Cheers, Steve On Sep 7, 2013, at 2:02 PM, Jeremy Shaw <[email protected]> wrote: > The cans I were using were 1 qt / 32 oz. So around 48 oz total. Though I did > use it everywhere, including the hinges that were 1/2 velcro. > > - jeremy > > > On Sat, Sep 7, 2013 at 3:56 PM, Steve Upstill <[email protected]> wrote: > Jeremy, > > There's a lot of good data in here. What size cans did you use 1.5 of for > each yurt? I used almost two pint cans for two yurts, which leads me to > believe that I could have used more. I might have done less hinging than you, > though: I did three 4' hinges for the walls and four 9' hinges for the roof > (I just left my interior hinges in the old bi-fi, which is holding up well. > > Just as a philosophical point, does anybody know if it's possible to use too > much CC (as long as you let it dry out)? > > Matching plastics to glue, per Ken: I used 12-gauge clear vinyl > (http://www.onlinefabricstore.net/vinyl-fabric/clear-vinyl-fabric/12-gauge-clear-vinyl-fabric-.htm?utm_medium=shoppingengine&utm_source=amazonproductads) > and "original formula" Ace Hardware contact cement. > > Cheers, > Steve > > On Sep 7, 2013, at 1:20 PM, Jeremy Shaw <[email protected]> wrote: > >> Interesting. I did not have any hinge failure. However, closer inspection >> shows that the CC seems to be a bit tacky in places that were not before >> arrival. I am curious about this line: >> >> "with a tacky substance on both surfaces that made me wonder how it could >> have healed at all" >> >> That makes it sound like you attached the two sides while they were still >> too wet. You know that you are supposed to wait 15-30 minutes for each side >> to be dry to the touch and then you join them? >> >> I did not put foil tape over the vinyl.. but only because I ran out of time >> :) I probably will add that before the next use. >> >> For the record, I used 1.5 cans of CC for a 6' stretch hexayurt. I went >> pretty heavy. And I used 6" wide strips of vinyl. >> >> I beveled my edges and there was quite a bit of tension on the vinyl while >> it was set up. For each hinge I only had vinyl on one side (unlike the camp >> danger bifi hinges). >> >> Working with the CC was definitely a pain -- so I would love to find a >> better fixative. Whatever stuff they used on the back of the velcro seemed >> to hold up stellar. The CC required a respirator, an outdoor work space away >> from ignition sources, and made the vinyl warp all funny before it was >> applied. Plus you had to wait a long time for all the curing -- which is a >> problem if you were trying to do all the cementing on a small 4x8 deck like >> I was. >> >> - jeremy >> >> >> >> >> On Thu, Sep 5, 2013 at 1:54 AM, Steve Upstill <[email protected]> wrote: >> All I can say is that my experience of the vinyl-contact cement was very >> different. I did all the work up front in the expectation of having a >> years-long solution, only to have my hinges fail: the vinyl simply pulled >> loose in the heat of the Playa (some places the vinyl just casually lifted >> as if there was no adhesive there in at all), with a tacky substance on both >> surfaces that made me wonder how it could have healed at all. Out there, I >> patched like mad with bifi, and now I'm looking at doing the whole laborious >> job over again next year. Crap. >> >> So what went wrong? I have three theories: >> >> 1) assembly problems, i.e., I put the CC on too thickly, or not thickly >> enough, or I didn't wait long enough for it to dry, or too long >> 2) the heat was just too much for it >> 3) because I laid the vinyl on when the panels were lying on the ground and >> abutting, actually folding them over the rest of the way put too much >> tension on the hinge. I did it fairly tight because I wanted some tension in >> the structure. >> >> If anybody has any information that would help me figure out which theory is >> correct, I'd be enormously grateful. Could others chime in with their >> experience? If I'm the only one with failed hinges, that pretty much >> disposes of theory #2. Also, did people tape over the vinyl with aluminum >> tape? I'm thinking that under theory #2, the shiny stuff would go a long way >> to keeping the heat down. >> >> Thanks, >> Steve Upstill >> >> On Sep 4, 2013, at 7:47 PM, Jeremy Shaw <[email protected]> wrote: >> >>> I built two 6' folding stretch hexayurts this year. One was a traditional >>> design with camp danger bifi hinges. The other used contact cement, vinyl, >>> and velcro. >>> >>> The contact cement+vinyl+velcro solution definitely required more work up >>> front. But the pay off on the playa was huge! It went up and down so much >>> faster. And, it is already ready to go back up again. There is no per-use >>> consumeables and nothing that has to be cleaned off before the next use. >>> >>> I have a bunch of video and other details on the build process that I hope >>> to upload 'some day' but the short version is, DO IT! >>> >>> - jeremy >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "hexayurt" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> To post to this group, send email to [email protected]. >>> Visit this group at http://groups.google.com/group/hexayurt. >>> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "hexayurt" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/hexayurt. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "hexayurt" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/hexayurt. >> For more options, visit https://groups.google.com/groups/opt_out. > > > -- > You received this message because you are subscribed to the Google Groups > "hexayurt" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/hexayurt. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- > You received this message because you are subscribed to the Google Groups > "hexayurt" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/hexayurt. > For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups "hexayurt" group. 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