Thanks. However, maybe it's a pipe dream, but I want to be able to set it 
up and break it down solo.

I solved for the dimensional parameters of this "5-1/2 yurt" in Mathematica 
(the back-wall angle, 112.4°, determines the rest of the geometry), and 
modeled it in Rhino, to figure out area, volume, etc. Here's a 5'11" guy 
next to it.

<https://lh3.googleusercontent.com/-XvO9NYhcGFk/WbHRJ0Q1HrI/AAAAAAAABIo/XGWXReLupAUn1bpPT2e5ft7jvKpRRn_aQCLcBGAs/s1600/h5.5.png>


Here's all the info, compared to other popular designs:


<https://lh3.googleusercontent.com/-y7_qiM2txzU/WbHRSa1ROLI/AAAAAAAABIs/A21_M9IJSLoHOWyelPJllY0xZxQ_C_OwACLcBGAs/s1600/h5.5-table.png>



My collaborator here, Greg, has this to say:


"In the H12, the rope loop and guys pull the roof together and down against 
the walls, and also pull the (tops of the) walls in towards the middle. 
It's a pretty secure arrangement and the net force is straight down.

In the new design, I don't see a way to neatly pull all of the pieces 
together and end up with a net force straight down... but it may not be a 
problem in practice, especially if the panels are attached securely and the 
structure starts out relatively stiff.

I'm mostly worried about where the roof attaches to the top of the door 
panel and where the vertical "roof" triangles are stacked on top of the 
walls on either side of the door. In the worst case, if the door panel ends 
up carrying some weird loads that it can't handle, it could be reinforced 
with plywood (as you suggested)."


But then, those vertical triangles stacked on top of walls also exist on 
the H13, which by now must be considered pretty battle-tested?

Bob




On Thursday, September 7, 2017 at 10:25:47 AM UTC-7, Hunter King wrote:
>
> Velcro has been good to us. ~10 mins setup time. You need one tall person 
> inside for teardown and two people outside.
>
> On Tue, Sep 5, 2017 at 6:15 PM, Bob Hearn <bob....@gmail.com <javascript:>
> > wrote:
>
>> I just got back from Burning Man 2017, using an H12 I bought from Reno 
>> Hexayurt. I was pretty happy with it (especially when attached to my large 
>> swamp cooler), but a campmate (also bought Reno H12) and I are wondering 
>> how best to (1) increase the door height, and (2) speed up set up / break 
>> down, ideally allowing single-person assembly. I guess an H13 would be the 
>> default choice for a taller door, but...
>>
>> I've been playing with cardboard models, and came up with this, which I 
>> haven't seen anywhere else:
>>
>>
>>
>> <https://lh3.googleusercontent.com/-AXBmIP330Jk/Wa9Iz8VsSxI/AAAAAAAABH4/D_YSoKDo_S0E1vKLX04ltoNaRaNRh6R-wCLcBGAs/s1600/IMG_1429.JPG>
>>  
>> <https://lh3.googleusercontent.com/-tW2NVcRT9tI/Wa9I6t2IQvI/AAAAAAAABH8/8tw3MCmUzsExBrgNAt0ZxUsLqAc6WcttACLcBGAs/s1600/IMG_1430.JPG>
>>  
>> <https://lh3.googleusercontent.com/-mrAFfSdw-cw/Wa9JBnIWkMI/AAAAAAAABIA/euZcHLAANmQ5dSxUHFNmKhqkfMmV4msbgCLcBGAs/s1600/IMG_1431.JPG>
>>
>> It's kind of a 5-1/2 yurt, I guess, made from 13 panels: five ordinary 
>> walls, one vertical panel for the door, roof made from six panels, plus the 
>> top piece which is an odd shape (4-8-8 isoceles).
>>
>> One cool thing is that the roof (apart from the top piece) can fold as a 
>> single permanently hinged unit, rather than the two needed for an H12:
>>
>>
>> <https://lh3.googleusercontent.com/-FHtB0xx_DEI/Wa9KAzGGZjI/AAAAAAAABII/B3RoEjwFGlU_QX5KwdaeJok6NnVNznwwQCLcBGAs/s1600/IMG_1435.JPG>
>>  
>> <https://lh3.googleusercontent.com/-H0nqnGtsYXI/Wa9KHDdYeSI/AAAAAAAABIM/PnweExqevYUvGJPcfjUivb_6eVcG9vm5QCLcBGAs/s1600/IMG_1433.JPG>
>>
>>
>> So that's an idea for a taller door, slightly less sf than the H12 (which 
>> is more than big enough for me and my wife), and a lot more head room. But, 
>> I am worried about stability. Anyone have any thoughts there?
>>
>> As for quicker assembly, we've been thinking zippers, velcro, rods 
>> threaded through eyelets, bungie balls, cable ties... I see some good 
>> discussion in this forum on velcro. But that would seem to still have one 
>> of the disadvantages of taping the non-permanent hinges, namely 
>> reachability for the roof section. Zippers you can work from a long pole. 
>> Of course for all of these you also have the waterproofing issue.
>>
>> It's a long time to BM 2018, I know, but this is what's in my head now; 
>> might as well work on it!
>>
>> Any input would be appreciated; thanks!
>>
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