[Domesteading 00165] Re: Domesteading Digest, Vol 27, Issue 9

John Belt belt at oswego.edu
Sun Apr 8 14:21:23 PDT 2007


Hello "d.union",

In regard to your bathroom vent/moisture question. Most
bathroom fans do not remove as much moisture as they do
heat and air from my perspective. Also people do not run
the fan long enough as they don't want to lose the heat.

I feel purchasing a high quality dehumidifier is a better
solution for your moisture issue. A fan will do more to
remove odor than a dehumidifier but they do filter a bit.
If you place it above a shower it will be more effective
and save floor space. It is also possible to build in a
drain so you do not have to empty a catch container, most
of the better units have a catch pan on the unit rather
than the "bucket/container". Putting the unit above the
shower also keeps the floor space clear. Or it can be
installed in a cabinet next to the shower.

The dehumidifier will also keep your mirrors free of steam
and you can control the moisture to a specific desired level.
Don't purchase a cheap unit, buy the best units you can
find as the repair costs are way more costly than the
cost of the best dehumidifier. Your windows are a good
clue as this is the colder surface and the dehumidifier
will keep it clear also and automatically cut off at
the desired setting.

MOISTURE gets sucked through a wall going from warm moist
air to cold dry air. If you pull it through a dehumidifier
it is sent down the drain instead IF, set it low enough.
Glidden Paint has a good primer that is a moisture barrier
and a good primer for drywall and wood. I like it better
than plastic sheeting and feel there is less chance for
mold starting between the plastic and drywall. Keeping the
moisture down is less desired by most people for skin comfort
but better for the dome skin(s), make a decision ;-)

john belt
oswego, ny

On Sat, 7 Apr 2007, d.union wrote:

> Hi
> We have a dome, monteray double dome,
> about 23 years old. Roofing is a concern with any dome
> house IMO. In our case mostly because it wasn't done
> right originally, and of course the first re-do was worse,
> which just before we bought the house. We bought the
> house about 8 years ago and had to redo the main roof
> shortly after we bought it despite the fact that the roofing
> was only 2 years old.
>
> But a decent roof job goes a long way...
>
> Has anyone done a bathroom ceiling vent in an
> 'upstairs', that is at the dome roof level, bathroom?
>
> The dome is a 25' dome and the first floor is about
> 10 feet with the flooring, so that at the peak of the
> ceiling over the bathroom floor it's nearly 15' up...
> pretty far to suck out the shower steam from.
>
> Right near the shower the ceiling is of course
> only at about the 10' level, but we're right 'in'
> the main dome wall and there is a slant at
> that point.
>
> So what are some good solutions for a
> ceiling vent to vent the moisture out of the room
> when the shower is in use?
>
> I need a solution that not only lets me vent,
> but is weather tight and hornet tight also.
>
> I've also discovered that any of those cheapo
> fans that only suck about 100 CFM or so are
> basically useless, or nearly so. Some of the
> ones that suck more need a fairly large vent
> and / or expect to be inside floor rafters, that
> is they need at least 8" of space to live in.
>
> FYI those roof vent fans at the top of a dome
> work well for helping with excess heat in the
> summer but despite screens, it seems hornets
> always find a way to use that to get in. And
> nest. And they are very very very loud.
>
>
>  ----- Original Message -----
>  From: domesteading-request at sculptors.com
>  To: domesteading at sculptors.com
>  Sent: Saturday, April 07, 2007 10:06 AM
>  Subject: Domesteading Digest, Vol 27, Issue 9
>
>
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>  Today's Topics:
>
>     1. [Domesteading 00154] Re: Discussion reinitiates (Rob Savoye)
>     2. [Domesteading 00155] Re: Discussion reinitiates (Robert Vance)
>     3. [Domesteading 00156] Re: Discussion reinitiates (Robert Vance)
>     4. [Domesteading 00157] Re: Discussion reinitiates (John E. Johnson)
>     5. [Domesteading 00158] Re: Discussion reinitiates (Vinay Gupta)
>     6. [Domesteading 00159] Re: Discussion reinitiates (Sal Cerda)
>     7. [Domesteading 00160] Re: Discussion reinitiates (Vinay Gupta)
>
>
>  ----------------------------------------------------------------------
>
>  Message: 1
>  Date: Fri, 06 Apr 2007 15:20:52 -0600
>  From: Rob Savoye <rob at welcomehome.org>
>  Subject: [Domesteading 00154] Re: Discussion reinitiates
>  To: "A forum for the discussion of aspects of independent,
>  off-the-grid living" <domesteading at sculptors.com>
>  Message-ID: <4616B9B4.4070502 at welcomehome.org>
>  Content-Type: text/plain; charset=windows-1250
>
>  J & D Goldman wrote:
>
>  >   Was the Pacfic dome one of those tent-like fiberglass pole supported
>  > structures, or something meant to be more permanent?  Just wondered
>  > what it was that failed.
>
>    It was one of the fiberglass ones, as we move around every few months.
>   Our entire setup has been very mobile.
>
>  - rob -
>
>
>
>  ------------------------------
>
>  Message: 2
>  Date: Fri, 6 Apr 2007 17:53:33 -0400
>  From: "Robert Vance" <naptimeatv at msn.com>
>  Subject: [Domesteading 00155] Re: Discussion reinitiates
>  To: "A forum for the discussion of aspects of independent,
>  off-the-grid living" <domesteading at sculptors.com>
>  Message-ID: <BAY104-DAV3000DF269390682C0F442CC640 at phx.gbl>
>  Content-Type: text/plain; charset="iso-8859-1"
>
>  Get geodesics "restarted"... I didn't realize that they had stopped!!
>
>  BobV!
>    ----- Original Message -----
>    From: Vinay Gupta<mailto:hexayurt at gmail.com>
>    To: A forum for the discussion of aspects of independent,off-the-grid living<mailto:domesteading at sculptors.com>
>    On Apr 3, 2007, at 3:00 AM, J & D Goldman wrote:
>
>    > The tools are cheaper than they ever
>    > were (compount miters sell for peanuts now), and the materials are
>    > improving, with more biodegradeable structural choices appearing
>    > daily.  I'm still impressed with honeycomb panels for low weight, high
>    > strength and superior insulation.
>
>    We've been working with Hexacomb cardboard very successfully for the
>    super low priced hexayurts - which are basically simplified
>    geodesics. We've got a lot of interest from the US DOD - the Marine
>    Corps has a project going to get the technology written up as a Field
>    Manual, among other things.
>
>    Open Source and no patents has really enabled us to get these things
>    spread. If you haven't examined the designs, they are very simple.
>    Cut 6 4x8 panels in half on the diagonals, assemble into six 8x8
>    isosceles triangles, and use whole 4x8 panels for the walls. Whole
>    thing goes together with an adhesive backed composite from 3M (i.e.
>    6" wide 8959 tape, $12 a roll, 600 lb break.)
>
>    It's that simple, and it works. You can even make them folding.
>
>    http://files.howtolivewiki.com/folding_hexayurt/<http://files.howtolivewiki.com/folding_hexayurt/>
>    warner_folding_hexayurt_clip.mp4
>
>    http://youtube.com/results?search_query=hexayurt&search=Search<http://youtube.com/results?search_query=hexayurt&search=Search> (more
>    assembly videos)
>
>    I think this is the way to get geodesics restarted.
>
>    Vinay
>
>
>  ------------------------------
>
>  Message: 3
>  Date: Fri, 6 Apr 2007 18:02:01 -0400
>  From: "Robert Vance" <naptimeatv at msn.com>
>  Subject: [Domesteading 00156] Re: Discussion reinitiates
>  To: "A forum for the discussion of aspects of independent,
>  off-the-grid living" <domesteading at sculptors.com>
>  Message-ID: <BAY104-DAV147126EFD9AD28CB364C5ECC640 at phx.gbl>
>  Content-Type: text/plain; charset="windows-1250"
>
>  Fantastic news John! I am so glad to hear that building inspectors are finally "turning the corner" and getting accurate construction advice and information from "those that know"!
>
>  Glad to hear that your son returned safely - I did a tour "+" in Vietnam myself and can feel empathy with him.
>
>  BobV!
>  http://homepage.gallaudet.edu/janet.vance<http://homepage.gallaudet.edu/janet.vance>
>    ----- Original Message -----
>    From: John E. Johnson<mailto:newageco at dbtech.net>
>    To: 'A forum for the discussion of aspects of independent,off-the-grid living'<mailto:domesteading at sculptors.com>
>    Sent: Thursday, April 05, 2007 11:28 AM
>    Subject: [Domesteading 00149] Re: Discussion reinitiates
>
>
>      Won't be leaving the continent that's for sure...
>     As Dan G and others who know us already know, we are big on helping solve
>    the problems that give domes a bad rap. Our clients will verify that after
>    we're through.
>      The do-it-yourself aspect of the dome industry is great for a glib
>    salesman with a new wrinkle on how to build their version of the latest,
>    greatest dome kit, but doesn't help the real people who just want to take
>    advantage of the inherent advantages of building a dome in the first place.
>     Roofing is still a big issue. Lots of new ways to cover a dome that still
>    leave the ventilation issue unsolved. Lots of well intentioned and non dome
>    experienced roofers still screwing the clients. My oldest son is back from
>    Iraq and running the roofing/repair crew and we are making some real
>    believers out of those who have had nothing but problems with their roofs
>    since they built. Not rocket science...just some careful thought and a
>    vented cupola does the trick on most domes. He's tired of being shot at and
>    after walking away from one crash decided he didn't like that line of work
>    as much as he once did. A Kiowa D is just not designed as an inner city
>    gunship. He sure left the Army with some interesting stories. 3 combat tours
>    will do that for you. We're so thankful to have him home in one piece!
>       We currently have several domes on the coast going up. Lots of activity
>    around these with many adopting the "wait and see" attitude, but very keen
>    on the idea in general. We had 12 domes actually hit by Katrina and nobody
>    suffered more than impact damage from somebody else's house coming apart,
>    and some broken windows and shingle damage. No structural damage at all. One
>    was in the process of being decked when it was hit. No damage. Many
>    inspectors are actually pushing domes now....that's a wonder!
>     Paul Durand is working with us directly now and it sure helps to have this
>    guy in your corner. He's set several "ostrich postured" inspectors on their
>    heels when they come up with some BS objections when we apply for permits.
>     He's a smart man with a great sense of humor. Just don't come up with a
>    hair brained objection to a dome if you are an inspector. He absolutely
>    destroys their flawed logic when it is used as an objection.
>     Financing is getting easier for those clients who tell their bankers we're
>    on the project. The days of the do-it-yourself domes are just about over
>    without some experienced help looking over your shoulder.
>     Concrete domes are making some waves based on the whole idea that concrete
>    MUST be better, but the reality is different from the perception for most
>    residential dome builders. (I'm sure I'll get busted for that).
>     I just call em like I repair em folks!
>     We've got a tall building looking at a renovation that includes a super
>    ellipsoid dome on the roof. I'll post some results as we close in on a
>    design. Got to talk to our boy down under though!
>     A dome with airbags!? Why not? Good to hear from you Dan. We're still
>    kicking.
>
>     John E. Johnson
>    newagedomeconstruction.com
>
>
>  ------------------------------
>
>  Message: 4
>  Date: Fri, 6 Apr 2007 18:33:19 -0500
>  From: "John E. Johnson" <newageco at dbtech.net>
>  Subject: [Domesteading 00157] Re: Discussion reinitiates
>  To: "'A forum for the discussion of aspects of independent,
>  off-the-grid living'" <domesteading at sculptors.com>
>  Message-ID: <200704062332.l36NWrHK019065 at dbtsvr1.dbtech.net>
>  Content-Type: text/plain; charset="windows-1250"
>
>   We have a project in design phase that will use either PVC or conduit(less
>  likely...lightning), frame and a surplus high altitude balloon for a temp
>  cover while renovating a  NASA project. Stay tuned!
>
>   John E. Johnson
>  newagedomeconstruction.com
>  -----Original Message-----
>  From: domesteading-bounces at sculptors.com
>  [mailto:domesteading-bounces at sculptors.com] On Behalf Of Rob Savoye
>  Sent: Friday, April 06, 2007 4:21 PM
>  To: A forum for the discussion of aspects of independent,off-the-grid living
>  Subject: [Domesteading 00154] Re: Discussion reinitiates
>
>  J & D Goldman wrote:
>
>  >   Was the Pacfic dome one of those tent-like fiberglass pole supported
>  > structures, or something meant to be more permanent?  Just wondered
>  > what it was that failed.
>
>    It was one of the fiberglass ones, as we move around every few months.
>   Our entire setup has been very mobile.
>
>  - rob -
>
>  --
>  No virus found in this incoming message.
>  Checked by AVG Free Edition.
>  Version: 7.5.446 / Virus Database: 268.18.26/748 - Release Date: 4/5/2007
>  3:33 PM
>
>
>  --
>  No virus found in this outgoing message.
>  Checked by AVG Free Edition.
>  Version: 7.5.446 / Virus Database: 268.18.26/748 - Release Date: 4/5/2007
>  3:33 PM
>
>
>
>
>  ------------------------------
>
>  Message: 5
>  Date: Sat, 7 Apr 2007 10:58:08 +0000
>  From: Vinay Gupta <hexayurt at gmail.com>
>  Subject: [Domesteading 00158] Re: Discussion reinitiates
>  To: "A forum for the discussion of aspects of independent,
>  off-the-grid living" <domesteading at sculptors.com>
>  Message-ID: <6BFB456C-3C28-4185-B44A-F03818E4E7C2 at gmail.com>
>  Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>
>
>  On Apr 6, 2007, at 9:53 PM, Robert Vance wrote:
>
>  > Get geodesics "restarted"... I didn't realize that they had stopped!!
>
>  Yeah, they totally stalled out man... right around when Lloyd Khan
>  came out with "Smart, not Wise" and so on... the industry has been
>  muddling along in the margins, not taking over the world.
>
>  Part of that, I think, is slavish adherence to the hemisphere. With
>  modern 3D design tools and CAD/CAM cutting equipment, it should be
>  pretty easy to design dome structures which fit on square lots  a lot
>  better, which have steeper walls and flatter ceilings and so on. Yes,
>  there's a trade off in strength as you move further from the
>  spherical line, but when you're overspecified by a factor of 10 or
>  100, you can trade off some strength for other functional factors.
>
>  On roofing - how do you find Wil Fidroeff's technology - cement board
>  covered in an elastomer from AFM (makers of SafeCoat paints)? I used
>  to work with Wil - his T-beam geometry is extremely clever, giving
>  very fast construction times, and the six way double compound miter
>  joint is nothing short of genius...
>
>  Vinay
>
>  --
>  Vinay Gupta - Designer, Hexayurt Project - an excellent public domain
>  refugee shelter system
>  Gizmo Project VOIP: 775-743-1851 (usually works!)              Cell:
>  Iceland (+354) 869-4605
>  http://howtolivewiki.com/hexayurt - old         http://appropedia.org/
>  Hexayurt_Project - new
>  Skype/Gizmo/Gtalk: hexayurt   I have a proof which unfortunately this
>  signature is too short
>
>
>
>
>  >
>  > BobV!
>  >   ----- Original Message -----
>  >   From: Vinay Gupta<mailto:hexayurt at gmail.com>
>  >   To: A forum for the discussion of aspects of independent,off-the-
>  > grid living<mailto:domesteading at sculptors.com>
>  >   On Apr 3, 2007, at 3:00 AM, J & D Goldman wrote:
>  >
>  >> The tools are cheaper than they ever
>  >> were (compount miters sell for peanuts now), and the materials are
>  >> improving, with more biodegradeable structural choices appearing
>  >> daily.  I'm still impressed with honeycomb panels for low weight,
>  >> high
>  >> strength and superior insulation.
>  >
>  >   We've been working with Hexacomb cardboard very successfully for the
>  >   super low priced hexayurts - which are basically simplified
>  >   geodesics. We've got a lot of interest from the US DOD - the Marine
>  >   Corps has a project going to get the technology written up as a
>  > Field
>  >   Manual, among other things.
>  >
>  >   Open Source and no patents has really enabled us to get these things
>  >   spread. If you haven't examined the designs, they are very simple.
>  >   Cut 6 4x8 panels in half on the diagonals, assemble into six 8x8
>  >   isosceles triangles, and use whole 4x8 panels for the walls. Whole
>  >   thing goes together with an adhesive backed composite from 3M (i.e.
>  >   6" wide 8959 tape, $12 a roll, 600 lb break.)
>  >
>  >   It's that simple, and it works. You can even make them folding.
>  >
>  >   http://files.howtolivewiki.com/folding_hexayurt/<http://
>  > files.howtolivewiki.com/folding_hexayurt/>
>  >   warner_folding_hexayurt_clip.mp4
>  >
>  >   http://youtube.com/results?
>  > search_query=hexayurt&search=Search<http://youtube.com/results?
>  > search_query=hexayurt&search=Search> (more
>  >   assembly videos)
>  >
>  >   I think this is the way to get geodesics restarted.
>  >
>  >   Vinay
>
>
>
>  ------------------------------
>
>  Message: 6
>  Date: Sat, 7 Apr 2007 05:31:50 -0700 (PDT)
>  From: Sal Cerda <sal.cerda at rocketmail.com>
>  Subject: [Domesteading 00159] Re: Discussion reinitiates
>  To: "A forum for the discussion of aspects of independent,
>  off-the-grid living" <domesteading at sculptors.com>
>  Message-ID: <397661.65057.qm at web56810.mail.re3.yahoo.com>
>  Content-Type: text/plain; charset=iso-8859-1
>
>  OK.  I'll bite  - what is a six way double mitre joint.  Is there a link you can forward?  The t-beam I read about on the Faze Change site.
>  Sal
>
>  Vinay Gupta <hexayurt at gmail.com> wrote:
>  On Apr 6, 2007, at 9:53 PM, Robert Vance wrote:
>
>  > Get geodesics "restarted"... I didn't realize that they had stopped!!
>
>  Yeah, they totally stalled out man... right around when Lloyd Khan
>  came out with "Smart, not Wise" and so on... the industry has been
>  muddling along in the margins, not taking over the world.
>
>  Part of that, I think, is slavish adherence to the hemisphere. With
>  modern 3D design tools and CAD/CAM cutting equipment, it should be
>  pretty easy to design dome structures which fit on square lots  a lot
>  better, which have steeper walls and flatter ceilings and so on. Yes,
>  there's a trade off in strength as you move further from the
>  spherical line, but when you're overspecified by a factor of 10 or
>  100, you can trade off some strength for other functional factors.
>
>  On roofing - how do you find Wil Fidroeff's technology - cement board
>  covered in an elastomer from AFM (makers of SafeCoat paints)? I used
>  to work with Wil - his T-beam geometry is extremely clever, giving
>  very fast construction times, and the six way double compound miter
>  joint is nothing short of genius...
>
>  Vinay
>
>  --
>  Vinay Gupta - Designer, Hexayurt Project - an excellent public domain
>  refugee shelter system
>  Gizmo Project VOIP: 775-743-1851 (usually works!)              Cell:
>  Iceland (+354) 869-4605
>  http://howtolivewiki.com/hexayurt - old         http://appropedia.org/
>  Hexayurt_Project - new
>  Skype/Gizmo/Gtalk: hexayurt   I have a proof which unfortunately this
>  signature is too short
>
>
>
>
>  >
>  > BobV!
>  >   ----- Original Message -----
>  >   From: Vinay Gupta
>  >   To: A forum for the discussion of aspects of independent,off-the-
>  > grid living
>  >   On Apr 3, 2007, at 3:00 AM, J & D Goldman wrote:
>  >
>  >> The tools are cheaper than they ever
>  >> were (compount miters sell for peanuts now), and the materials are
>  >> improving, with more biodegradeable structural choices appearing
>  >> daily.  I'm still impressed with honeycomb panels for low weight,
>  >> high
>  >> strength and superior insulation.
>  >
>  >   We've been working with Hexacomb cardboard very successfully for the
>  >   super low priced hexayurts - which are basically simplified
>  >   geodesics. We've got a lot of interest from the US DOD - the Marine
>  >   Corps has a project going to get the technology written up as a
>  > Field
>  >   Manual, among other things.
>  >
>  >   Open Source and no patents has really enabled us to get these things
>  >   spread. If you haven't examined the designs, they are very simple.
>  >   Cut 6 4x8 panels in half on the diagonals, assemble into six 8x8
>  >   isosceles triangles, and use whole 4x8 panels for the walls. Whole
>  >   thing goes together with an adhesive backed composite from 3M (i.e.
>  >   6" wide 8959 tape, $12 a roll, 600 lb break.)
>  >
>  >   It's that simple, and it works. You can even make them folding.
>  >
>  >   http://files.howtolivewiki.com/folding_hexayurt/
>  > files.howtolivewiki.com/folding_hexayurt/>
>  >   warner_folding_hexayurt_clip.mp4
>  >
>  >   http://youtube.com/results?
>  > search_query=hexayurt&search=Search
>  > search_query=hexayurt&search=Search> (more
>  >   assembly videos)
>  >
>  >   I think this is the way to get geodesics restarted.
>  >
>  >   Vinay
>
>
>
>
>  ---------------------------------
>  No need to miss a message. Get email on-the-go
>  with Yahoo! Mail for Mobile. Get started.
>
>  ------------------------------
>
>  Message: 7
>  Date: Sat, 7 Apr 2007 13:59:16 +0000
>  From: Vinay Gupta <hexayurt at gmail.com>
>  Subject: [Domesteading 00160] Re: Discussion reinitiates
>  To: "A forum for the discussion of aspects of independent,
>  off-the-grid living" <domesteading at sculptors.com>
>  Message-ID: <4DD6F24F-4130-4158-A22E-D1C631C4FCF7 at gmail.com>
>  Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>
>
>  You take a T-beam and cut the end in the following way.
>
>  Firstly, imagine the beam running horizontally. At the end of the
>  beam there is a "dihedral angle" - you lop off an inch or half an
>  inch, so that the inside edge of the beam is shorter than the outside
>  edge, so that the pieces fit together on the outside of a sphere.
>  Essentially if you imagine a line from the center of the dome out to
>  the edge of the dome, you're trimming the end of the beam so that the
>  end of the beam falls along that line.
>
>  Usually that angle is between four and eight degrees.
>
>  Then, imagine six beams like that meeting at a node. If the ends are
>  cut square, there's a weird hexagonal hole in the middle where the
>  six beams meet.
>
>  So you cut each beam in a V shape, so that the beams collectively fit
>  together a little more tightly - precisely, in fact - giving you a
>  "hub" which is "no hub" - the beams, because each one had the right
>  angles cut on it, fit together perfectly at each node, where they are
>  joined with decking screws and metal tape with holes punched in it
>  (strapping tape from the packaging industry.)
>
>  I don't know whether Wil Fidroeff invented this idea, or whether he
>  learned it from some older Domemeister, but it's the best dam way of
>  producing a dome I've ever seen. Throw cement board panels on the
>  outside, homasote panels inside the T beams, and cotton batt
>  insulation inbetween and bob's your uncle. The T-beam is (for those
>  who haven't seen one) a 1x4 nailed to the room-facing side of a 2x6.
>  The beam looks like an inverted letter T. The interior panels are
>  made of homasote and painted / fabric covered on the ground, then
>  when the frame is up, the panels are just dropped into the triangular
>  holes in the dome frame, where they rest snug against the 1x4 -
>  instant finish-quality interiors.
>
>  **REALLY** sweet system.
>
>  The man really does have a system down that deserves much wider use.
>  Back in the mid 90s I helped to start a company hoping to scale Wil's
>  technology to national and international markets ("WorldView
>  LivingSpace") but my co-founder and I underestimated the resources it
>  would take to get that project off the ground.
>
>  Vinay
>
>  --
>  Vinay Gupta - Designer, Hexayurt Project - an excellent public domain
>  refugee shelter system
>  Gizmo Project VOIP: 775-743-1851 (usually works!)              Cell:
>  Iceland (+354) 869-4605
>  http://howtolivewiki.com/hexayurt - old         http://appropedia.org/
>  Hexayurt_Project - new
>  Skype/Gizmo/Gtalk: hexayurt   I have a proof which unfortunately this
>  signature is too short
>
>
>  On Apr 7, 2007, at 12:31 PM, Sal Cerda wrote:
>
>  > OK.  I'll bite  - what is a six way double mitre joint.  Is there a
>  > link you can forward?  The t-beam I read about on the Faze Change
>  > site.
>  > Sal
>  >
>  > Vinay Gupta <hexayurt at gmail.com> wrote:
>  > On Apr 6, 2007, at 9:53 PM, Robert Vance wrote:
>  >
>  >> Get geodesics "restarted"... I didn't realize that they had stopped!!
>  >
>  > Yeah, they totally stalled out man... right around when Lloyd Khan
>  > came out with "Smart, not Wise" and so on... the industry has been
>  > muddling along in the margins, not taking over the world.
>  >
>  > Part of that, I think, is slavish adherence to the hemisphere. With
>  > modern 3D design tools and CAD/CAM cutting equipment, it should be
>  > pretty easy to design dome structures which fit on square lots  a lot
>  > better, which have steeper walls and flatter ceilings and so on. Yes,
>  > there's a trade off in strength as you move further from the
>  > spherical line, but when you're overspecified by a factor of 10 or
>  > 100, you can trade off some strength for other functional factors.
>  >
>  > On roofing - how do you find Wil Fidroeff's technology - cement board
>  > covered in an elastomer from AFM (makers of SafeCoat paints)? I used
>  > to work with Wil - his T-beam geometry is extremely clever, giving
>  > very fast construction times, and the six way double compound miter
>  > joint is nothing short of genius...
>  >
>  > Vinay
>  >
>  > --
>  > Vinay Gupta - Designer, Hexayurt Project - an excellent public domain
>  > refugee shelter system
>  > Gizmo Project VOIP: 775-743-1851 (usually works!)              Cell:
>  > Iceland (+354) 869-4605
>  > http://howtolivewiki.com/hexayurt - old         http://appropedia.org/
>  > Hexayurt_Project - new
>  > Skype/Gizmo/Gtalk: hexayurt   I have a proof which unfortunately this
>  > signature is too short
>  >
>  >
>  >
>  >
>  >>
>  >> BobV!
>  >>   ----- Original Message -----
>  >>   From: Vinay Gupta
>  >>   To: A forum for the discussion of aspects of independent,off-the-
>  >> grid living
>  >>   On Apr 3, 2007, at 3:00 AM, J & D Goldman wrote:
>  >>
>  >>> The tools are cheaper than they ever
>  >>> were (compount miters sell for peanuts now), and the materials are
>  >>> improving, with more biodegradeable structural choices appearing
>  >>> daily.  I'm still impressed with honeycomb panels for low weight,
>  >>> high
>  >>> strength and superior insulation.
>  >>
>  >>   We've been working with Hexacomb cardboard very successfully for
>  >> the
>  >>   super low priced hexayurts - which are basically simplified
>  >>   geodesics. We've got a lot of interest from the US DOD - the Marine
>  >>   Corps has a project going to get the technology written up as a
>  >> Field
>  >>   Manual, among other things.
>  >>
>  >>   Open Source and no patents has really enabled us to get these
>  >> things
>  >>   spread. If you haven't examined the designs, they are very simple.
>  >>   Cut 6 4x8 panels in half on the diagonals, assemble into six 8x8
>  >>   isosceles triangles, and use whole 4x8 panels for the walls. Whole
>  >>   thing goes together with an adhesive backed composite from 3M (i.e.
>  >>   6" wide 8959 tape, $12 a roll, 600 lb break.)
>  >>
>  >>   It's that simple, and it works. You can even make them folding.
>  >>
>  >>   http://files.howtolivewiki.com/folding_hexayurt/
>  >> files.howtolivewiki.com/folding_hexayurt/>
>  >>   warner_folding_hexayurt_clip.mp4
>  >>
>  >>   http://youtube.com/results?
>  >> search_query=hexayurt&search=Search
>  >> search_query=hexayurt&search=Search> (more
>  >>   assembly videos)
>  >>
>  >>   I think this is the way to get geodesics restarted.
>  >>
>  >>   Vinay
>  >
>  >
>  >
>  >
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>  End of Domesteading Digest, Vol 27, Issue 9
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