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[[Category:Hexayurt project]]
[[Category:Hexayurt project]]
= Current best description: The Hexayurt in Haiti =


http://vinay.howtolivewiki.com/blog/other/the-hexayurt-in-haiti-a-technical-description-1678
'''There's a substantial amount of text at the [[Talk:Hexayurt_Plywood|discussion page]]. It will be restored gradually as soon as the outline is clear. Use it now if you wish.''' [[User:LucasG|LucasG]] 07:49, 24 July 2011 (PDT)


= Video and PDF =
Plywood hexayurt is the catch-all term being used for the family of frameless hexayurts constructed out of plywood or similar materials. The most notable alternative is OSB. They are not to be confused with the [[Timber Frame Hexayurt]]. Plywood Hexayurts lack any form internal framing.
[[File:Osb_hexayurt.jpg|thumb|upright=3|alt=Hexayurt made from OSB at Small is Festival 2010.|OSB Hexayurt.]]


* [http://blip.tv/play/AYGf3CMC Video (English)]
== Plywood ==
* [http://www.appropedia.org/images/3/39/Plywood_Hexayurt_Construction_Details.PDF Construction details]
* [http://www.overstream.net/view.php?oid=uzu8epmcasi5 Video (Spanish subtitles)]


Another video, with some construction details: http://www.youtube.com/watch?v=-fwlIxWomyw
[[File:Plywoodhexayurtsketchupwithmods.png|thumb|upright=2|alt=Sketch up models of Plywood Hexayurt.|Sketch up models of Plywood Hexayurt showing modifications.]]This is the primary hexayurt solution for disaster relief situations due to the materials used and ease of constructions. For disasters in extreme cold, use isulation board and the construction instruction in [[Hexayurt Playa]]


= A written step-by-step how-to =
Hexayurts are basically made of panels and connectors. The design has been modified extensively because of issues that arise from constructing out of plywood with no frame. The concerns of Water-proofing, insect-proofing, fixing to the ground and portability are different from that of the more common polyiso hexayurt.


You need:
If the panels are from wood, then:
* 12 plywood or OSB panels. Each is 4-foot by 8 foot, 0.5 inch thick.
* the connectors need to be stronger than with lighter panels.
* 4 2 inch by 4 inch.
* fixing the hexayurt to the ground is probably needed only if there's risk of earthquakes or landslides.
* A tool to cut the wood with.
* water-proofing and insect-proofing need to be considered, asking the local experts.
* Screws and something to screw them with.
* portability will need a group of synchronised carriers.


Prepare the pieces:
=== Modifications ===
* Cut off the final 4 inches of 6 panels.  These will be the walls.
* Screwing directly into plywood is not recommended and due the angles involved it is sometimes impossible. Therefore all joints are made using wooden blocks.
* Cut the remaining 6 panels in half, diagonally.  You're left with 12 triangles.
* The two side of the roof triangles overlap so that they may be screwed together. Also the roof panels are lapped so that they sit on top of one of the neighbouring pieces but under the other.
* Trim off the narrowest corner of the triangles.
* Because of these overlaps the tips of the triangle must be cut.
* Cut (number needed) blocks from the 2x4, (some number) in 120 degree angles and (some number) in 150 angles.
* This overlap in the roof causes the roof’s foot print to be smaller than in the basic design. Also, to water to run off the roof properly, the roof must overhang.  So the walls must be connected into a smaller hexagon to be within the radius of the roof. This is achieved by letting one wall protrude when making the joint.
* To prevent the roof clashing with the protruding wall one corner of the wall sheet is cut. This modification is called the “Sri Lankan corner”.


Build the walls:
== How to ==
* Have a team put the pieces in place and use the 120-degree (or is it 150-degrees?) blocks to join them together.
If unclear refer to the Sketchup model or videos in the links section.


Build the roof:
=== Requirements ===
* ...


Mount the roof:
==== People ====
* Is it better to mount the roof pieces as you build the roof?
* ...


Anything else from here?
2 all constructions stages except ‘Stage 4: lifting the roof’
* Make it waterproof.
* Screw to other hexayurts to make the whole group better resistent to hurricanes?  Or maybe put sand sacks around each hexayurt?  Or both?


Are there alternatives and extensions to all this?
≈18 for Stage 3: lifting the roof. Number depends on strength of the people and material used. Plywood is approximately 40kg a sheet and OSB is 20kg a sheet. So the roof can weigh 240kg or 120kg. You want a maximum of 15-20kg per person. Lasts roughly 5 minutes
* Better ways to join the walls?
* Better ways to mount the roof?
* Better ways to make this water-proof?
* Better ways to make them hurricane resistant?
* Is earthquake resistance an issue with these light structures?
* Could stuff be added to hexayurts?
* At the end of a hexaurt's life-cycle, panels can be reused, or they can be used as fuel for (good) stoves. What's the best way to cut them into appropriate-size pieces?
* ...


= How you can help =
==== Materials ====


== Tell others ==
Required:


Simple!
12× 1.22m×2.44m sheets of 12mm thick plywood or similar material e.g OSB, strawboard


== Translate into other languages ==
6× 47mm×100mm lengths of 2m long carcassing timber or similar. This is approximately 2inches by 4 inches so please note that a lot of lumber called as “2 by 4” DO NOT actually measure 2”×4” for historical reasons.


'''Looking into dotsub.com which btw is what ted.com uses.  The srt is useable anyway, and the video is public domain, if you want to give it a try.  I'll have a go at it within the next 24 hours, not sure when.'''
220+ 50mm long self tapping woodscrews. Preferably flange head with partially unthreaded shank


If you want to translate this video into other languages, help yourself to the subtitles you prefer (either English or Spanish):
Optional:
* You should copy that to a plain text file and give it a ".srt" extension.
* Use that file as a starting point for your translation.  You only need to translate, because the timing is already there for you.  Saves a lot of work!
* Then create an account in overstream.net or other video-hosting place, and import the .srt file.  (Or I can do it for you as time allows.)
* Then add the link to your translation above, so that we'll know it's done.
* It would also be good if you could leave your new .srt file below.  This helps yet other translators, and maybe people can improve yours if they spot mistakes!


Automatic translation tools:
1-2× Tarpaulin for floor and to cover the roof
* The language would have to be simplified.  Automatic translators don't do a good job with broken sentences!  And simplifying the language means we have a better how-to anyway, so let's do that (see above).
* Some say two tools could be used, so that they will check each other out.
* It's best if humans can do the job!
* That said: http://www.microsofttranslator.com/ + any other tool that you know of?


== Help fix translations ==
1-2× Bottle of Foaming Woodglue


The English transcription is not perfect:
==== Tools ====
* In the final third of the video, the timing is not perfect and there are words I (LucasG) can't hear too well.
* Also, the English is translated back from the Spanish (reverse engineered so to speak), so it's not exacly as the original.


If you can help, I'd appreciate it.  Write your comments on this page.  Thank you!
Recommended:


= Translations (.SRT files) =
• Pen/pencil


== English ==
• Electric screw driver
1
00:00:00,000 --> 00:00:02,378
http://www.appropedia.org/Hexayurt_Plywood has file to help other translators, or leave comments there!


2
• Circular saw
00:00:03,121 --> 00:00:08,713
This is the Hexayurt that we built at the Engineers Without Borders annual gathering and Practical Action camp.


2
• Handsaw
00:00:09,682 --> 00:00:14,625
Here you see the details of construction of a plywood hexayurt.


3
• Protractor (angle measurer)
00:00:14,625 --> 00:00:23,353
It's a 150 degrees angle cut in a piece of 2 x 4 and screwed from the outside.


4
• Power source
00:00:23,453 --> 00:00:33,262
Here's the other size of block which we use, look down here, it's 120 degrees.  It holds walls together.


5
• String
00:00:33,726 --> 00:00:46,757
And let's go outside.  Outside there's a 120 degrees block which joins the wall with the roof.


6
• Tape measure
00:00:46,787 --> 00:00:49,787
And there are 150 blocks which join the roof pieces together.


7
• Tent pegs x 6 (or other way to mark the ground)
00:00:50,329 --> 00:00:59,157
And outside you can see who pieces overlap.  Can you see the overlapping?


8
=== Construction ===
00:00:59,157 --> 00:01:06,956
Overlapping means we use a screw through two layers of plywood and into the block.


9
Note: Always screw from the plywood into the block
00:01:07,081 --> 00:01:08,249
Use 2 screws are needed for each block face that meets a board.
So we overlap the edges.


10
==== Stage 1: Walls ====
00:01:08,243 --> 00:01:11,243
And we overlap this edge too.


11
Mark out a hexagon. First use the string to mark out a circle with a radius of 2.2m. Once the circle is drawn, mark one spot on the edge, put one end of the string there, and mark where the other end of the rope crosses the circle. Now start from that point, and mark the next crossing point. Continue all the way around to make the hexagon. Alternatively, hold the string in the middle and mark every 60°.
00:01:11,352 --> 00:01:14,352
This is far from being a perfect way to make it waterproof.


12
Take 6 panels
00:01:14,496 --> 00:01:18,266
But you can do it without adding any additional component or adding any deep complexity to the system.


13
Cut off one 25cm corner of each panel.  This is called the "Sri Lankan corner" because it was invented in Sri Lanka.
00:01:18,340 --> 00:01:23,401
For this to work we must cut the wall pieces a bit shorter than we would do normally.


14
Cut a door and window(s) in one of the panels.
00:01:23,756 --> 00:01:26,756
So these instead of being 8 foot long are cut to 7 feet and 4 inches,


15
Cut 24 blocks at an angle of 120º angle. 18 are used for the walls. Safe the other 6 for later. There will be 3 blocks in each corner, one near the ground, one near the middle and the other near the roof.
00:01:27,176 --> 00:01:33,092
which gives you additional space needed to make sure the roof is underneath (?) the wall


16
Screw the blocks to join the walls together. The walls are not joined edge to edge, imagine a straight line down from the end of the "Sri Lankan Corner" and use this as the edge
00:01:33,593 --> 00:01:39,996
you make this with 12 OSB panels and 4 pieces of 4x8 (I think it's 2x4) and a bunch of screws


17
Line up the corners to the hexagon you marked out.
00:01:40,945 --> 00:01:42,743
back inside


18
==== Stage 2: Roof ====
00:01:43,282 --> 00:01:46,282
see what I mean ... (...) ...


19
Take 6 panels.
00:01:48,607 --> 00:01:51,607
just at the top there's a detail


20
Cut each of them in half through the diagonal.
00:01:53,303 --> 00:01:58,245
Note: Some materials have a water resistance coating on one side. If so you will want to make two piles of 3 cut each pile along different diagonals for each pile
see how we trimmed the pieces to make a hole


21
Trim off the point of each of the 12 triangles. First measure 15cm from the tip along the medium length side of the triangle and cut it straight off. Then measure 10cm further along the same side and cut from that point to the middle of the new tip.
00:01:58,658 --> 00:02:05,797
see this angle here? we simply trimmed a small piece off the side of the plywood, from one side and from the other so they fit together to (...)


22
Use 2 triangles to create each of the 6 roof-pieces. This is done by overlapping 2 triangles by the width of a block (roughly 50mm). Use 2 blocks.
00:02:06,521 --> 00:02:09,521
so each piece of plywood ...


23
Cut 12 blocks at an angle of 150º angle.  There will be 2 blocks in each corner, roughly 60cm away from the the ends.
00:02:10,145 --> 00:02:13,145
overlaps over the next on and then we trim them so they fit together this way


24
Join the roof pieces with the 150º blocks. Make sure that they are lapped properly. The to piece should protrude by 50mm.
00:02:13,404 --> 00:02:16,404
Use the center of the roof as guidance to how far up or down the individual roof modules should be slided before your screw in the screws.
it's a bit tricky and we'd like to do a (...) properly later


25
==== Stage 3: Lifting the Roof ====
00:02:16,721 --> 00:02:19,721
but this is the basics of a plywood hexayurt


26
Split into three groups.
00:02:22,653 --> 00:02:25,653
thank you


27
Have ¼ of the people inside the hexagon waiting at the wall nearest the roof cone (Group 1)
00:02:26,307 --> 00:02:29,307
Have ¼ line up at the faces near at hexagon (Group 2)
i hope you can figure out the details on your own
Have the rest spread themselves evenly around the roof cone (Group 3).


28
Group 2 and 3 lift and reposition the roof cone so that a corner of the wall is directly facing a corner of the roof.
00:02:30,936 --> 00:02:33,936
150 to hold the roof


29
They then carry the roof toward the hexagon slowly.
00:02:34,052 --> 00:02:37,052
When near the wall, allow Group 2 to pass the load onto Group 1 and then move out of the way.
120 to join the wall to the roof
Group 2 then moves around to the side with the door ready to receive the load again.


30
Lower the roof into place and secure with the leftover blocks from Stage 1. Add additional screws at the corners, through the roof and into the top wall blocks.  
00:02:37,178 --> 00:02:44,647
you can see the screws that go through the roof and go into those blocks (...)


31
00:02:44,647 --> 00:02:46,904
and that's all there is to it


32
== Variants ==
00:02:47,017 --> 00:02:48,606
the walls are full panels with 6 inches cut off one side


33
=== Haiti/Hurricane Hexayurt ===
00:02:48,732 --> 00:02:50,928
A plywood hexayurt with reinforced corners and anchoring to the ground for high wind conditions.
the pieces for the roof are half a panel, overlapped


34
=== [[Hexayurt_H13_Plywood|Plywood H13]]  ===
00:02:51,463 --> 00:02:53,587
The plywood version of Scott Davis and Dylan Toymaker's [[Hexayurt H13|H13]] design. Using one more sheet of plywood and switching the arrangementof the roof panels results in a structure with a full 8′ entry-way, much more interior walkable space
an that's the plywood hexayurt


35
== Additional details ==
00:02:53,720 --> 00:02:54,804
hexayurt.com


== Spanish ==
==== Finer Points ====
1
00:00:00,000 --> 00:00:02,378
http://www.appropedia.org/Hexayurt_Plywood has file to help other translators, or leave comments there!


2
===== Corner Block =====
00:00:03,121 --> 00:00:08,713
Este es el Hexayurt que construimos en la reunión anual de Ingenieros Sin Fronteras y campamento de Acción Práctica.


3
When screwing the block at the edges with an overlap, Screw the block to the sheet that is at the edge first. Leave about 1cm between the corner of the block and the edge of the sheet. Then screw the other sheet in place. this will "pull" the sheets tighter than if done the other way.
00:00:09,682 --> 00:00:14,625
Aquí ves los detalles de la construcción de un Hexayurt de conglomerado.


4
==== Temporary Measures ====
00:00:14,625 --> 00:00:23,353
Es un ángulo de 150 grados cortado en una pieza de 2x4 pulgadas y atornillado desde fuera.


5
===== Door =====
00:00:23,453 --> 00:00:33,262
Aquí está el otro tamaño de bloque que usamos, mira ahí abajo, de 120 grados, que sostiene unas paredes con otras.


6
Screw four blocks near the corners of the door so that they overhang a little bit and give a lip for the door to rest on
00:00:33,726 --> 00:00:46,757
On the inner side screw two block around the middle. Secure one side with two screws. For the other side use only one screw, position he block and the screw so that dependent on the orientation the block it will either hold the door in place or allow it out. This will allow the door to “locked” from the inside until more permanent measures are in place Add a last block to the door as a handle.
Y vamos fuera. Fuera hay un bloque de 120 grados que une la pared con el techo.
Diagrams pending


7
==== Tricks for limited tools ====
00:00:46,787 --> 00:00:49,787
Y hay piezas de 150 grados que unen las piezas del techo entre sí.


8
===== Measuring angles =====
00:00:50,329 --> 00:00:59,157
Take a sheet of paper, fold it in half and then half again. Now fold in a ‘Z’ it into thirds. Unfold and you now have a sheet that can be used to measure any multiple of 30°.
Y por fuera puedes ver cómo las tablas se superponen unas con otras. ¿Puedes ver la superposición?


9
00:00:59,157 --> 00:01:06,956
La superposición significa que ponemos un tornillo a través de dos capas de conglomerado, directamente hasta el bloque.


10
00:01:07,081 --> 00:01:08,249
Así que superponemos los bordes.


11
== Links ==
00:01:08,243 --> 00:01:11,243
Y superponemos este borde también.


12
'''These links need to be sorted''' [[User:LucasG|LucasG]] 14:54, 14 April 2011 (PDT)
00:01:11,352 --> 00:01:14,352
* 3d sketchup by [https://twitter.com/#!/jumplogic/status/115051646190485504/photo/1 Al Razi Masri] [http://sketchup.google.com/3dwarehouse/details?mid=ab1e2b545e05ba6919cdfa1d5f3e3e8a&result=4 here].
Esto está lejos de ser una manera perfecta de lograr que sea estanco al agua.
* Haiti http://vinay.howtolivewiki.com/blog/other/the-hexayurt-in-haiti-a-technical-description-1678 and http://files.howtolivewiki.com/hexayurt_in_haiti_v1.1.pdf
 
* Engineers Without Borders (Sheffield, UK) video shows the entire construction process https://www.youtube.com/watch?v=xLdP6Wsv0bQ and text at http://piratepad.net/jYVkXNdy3n
13
* [http://blip.tv/play/AYGf3CMC Video (English)]
00:01:14,496 --> 00:01:18,266
* [http://www.appropedia.org/images/3/39/Plywood_Hexayurt_Construction_Details.PDF Construction details]
Pero ocurre que puedes hacerlo sin añadir ningún componente adicional ni añadir ninguna complejidad profunda al sistema.
* [http://www.overstream.net/view.php?oid=uzu8epmcasi5 Video (Spanish subtitles)]
 
* Another video, with some construction details: http://www.youtube.com/watch?v=-fwlIxWomyw
14
* Finished, lived in, insulated OSB hexayurt with a wood frame construction. http://yurtbuilder.blogspot.co.uk/2014/07/osb-hexayurt.html
00:01:18,340 --> 00:01:23,401
Para que funcione, tienes que cortar las piezas de las paredes un poco más cortas que como las cortarías normalmente,
 
15
00:01:23,756 --> 00:01:26,756
así que éstas en lugar de tener 8 pies de largo, tienen 7 pies y 4 pulgadas,
 
 
16
00:01:27,176 --> 00:01:33,092
y eso te da el espacio adicional que necesitas para asegurarte de que el techo está por debajo [?] de la pared
 
17
00:01:33,593 --> 00:01:39,996
fabricas esto con 12 piezas de OSB y 4 piezas de 4x8 y un puñado de tornillos
 
18
00:01:40,945 --> 00:01:42,743
volvemos al interior
 
19
00:01:43,282 --> 00:01:46,282
mira lo que quiero decir ... [...] ...
 
20
00:01:48,607 --> 00:01:51,607
justo en la parte más alta hay un detalle
 
21
00:01:53,303 --> 00:01:58,245
mira cómo hemos recortado las piezas para hacer un agujero
 
22
00:01:58,658 --> 00:02:05,797
¿ves este ángulo de aquí? simplemente cortamos una pequeña pieza del borde del tablón, de un lado y del otro,
de manera que encajan uno con otro para [...]
 
23
00:02:06,521 --> 00:02:09,521
así que cada pieza de madera ...
 
24
00:02:10,145 --> 00:02:13,145
cruzas cada pieza de madera sobre la otra y luego las recortas para que encajen una con la otra de esta manera
 
25
00:02:13,404 --> 00:02:16,404
tiene un poco de truco y pensamos hacer un [...] bien hecho más tarde
 
26
00:02:16,721 --> 00:02:19,721
pero eso es lo básico de un hexayurt de conglomerado
 
27
00:02:22,653 --> 00:02:25,653
gracias
 
28
00:02:26,307 --> 00:02:29,307
espero que puedas "figure out" los detalles por tu cuenta
 
29
00:02:30,936 --> 00:02:33,936
los de 150 sostienen el techo
 
30
00:02:34,052 --> 00:02:37,052
los de 120 unen la pared al techo
 
31
00:02:37,178 --> 00:02:44,647
puedes ver los tornillos que atraviesan el techo y se meten en esos bloques [...]
 
32
00:02:44,647 --> 00:02:46,904
y eso es todo lo que hay
 
33
00:02:47,017 --> 00:02:48,606
las paredes son paneles completos con 6 pulgadas recortadas de un lado
 
34
00:02:48,732 --> 00:02:50,928
las piezas del techo son medio panel superpuestas
 
35
00:02:51,463 --> 00:02:53,587
y ese es el hexayurt de conglomerado
 
36
00:02:53,720 --> 00:02:54,804
hexayurt.com

Revision as of 14:18, 12 May 2015


There's a substantial amount of text at the discussion page. It will be restored gradually as soon as the outline is clear. Use it now if you wish. LucasG 07:49, 24 July 2011 (PDT)

Plywood hexayurt is the catch-all term being used for the family of frameless hexayurts constructed out of plywood or similar materials. The most notable alternative is OSB. They are not to be confused with the Timber Frame Hexayurt. Plywood Hexayurts lack any form internal framing.

Hexayurt made from OSB at Small is Festival 2010.
OSB Hexayurt.

Plywood

Sketch up models of Plywood Hexayurt.
Sketch up models of Plywood Hexayurt showing modifications.

This is the primary hexayurt solution for disaster relief situations due to the materials used and ease of constructions. For disasters in extreme cold, use isulation board and the construction instruction in Hexayurt Playa

Hexayurts are basically made of panels and connectors. The design has been modified extensively because of issues that arise from constructing out of plywood with no frame. The concerns of Water-proofing, insect-proofing, fixing to the ground and portability are different from that of the more common polyiso hexayurt.

If the panels are from wood, then:

  • the connectors need to be stronger than with lighter panels.
  • fixing the hexayurt to the ground is probably needed only if there's risk of earthquakes or landslides.
  • water-proofing and insect-proofing need to be considered, asking the local experts.
  • portability will need a group of synchronised carriers.

Modifications

  • Screwing directly into plywood is not recommended and due the angles involved it is sometimes impossible. Therefore all joints are made using wooden blocks.
  • The two side of the roof triangles overlap so that they may be screwed together. Also the roof panels are lapped so that they sit on top of one of the neighbouring pieces but under the other.
  • Because of these overlaps the tips of the triangle must be cut.
  • This overlap in the roof causes the roof’s foot print to be smaller than in the basic design. Also, to water to run off the roof properly, the roof must overhang. So the walls must be connected into a smaller hexagon to be within the radius of the roof. This is achieved by letting one wall protrude when making the joint.
  • To prevent the roof clashing with the protruding wall one corner of the wall sheet is cut. This modification is called the “Sri Lankan corner”.

How to

If unclear refer to the Sketchup model or videos in the links section.

Requirements

People

2 all constructions stages except ‘Stage 4: lifting the roof’

≈18 for Stage 3: lifting the roof. Number depends on strength of the people and material used. Plywood is approximately 40kg a sheet and OSB is 20kg a sheet. So the roof can weigh 240kg or 120kg. You want a maximum of 15-20kg per person. Lasts roughly 5 minutes

Materials

Required:

12× 1.22m×2.44m sheets of 12mm thick plywood or similar material e.g OSB, strawboard

6× 47mm×100mm lengths of 2m long carcassing timber or similar. This is approximately 2inches by 4 inches so please note that a lot of lumber called as “2 by 4” DO NOT actually measure 2”×4” for historical reasons.

220+ 50mm long self tapping woodscrews. Preferably flange head with partially unthreaded shank

Optional:

1-2× Tarpaulin for floor and to cover the roof

1-2× Bottle of Foaming Woodglue

Tools

Recommended:

• Pen/pencil

• Electric screw driver

• Circular saw

• Handsaw

• Protractor (angle measurer)

• Power source

• String

• Tape measure

• Tent pegs x 6 (or other way to mark the ground)

Construction

Note: Always screw from the plywood into the block Use 2 screws are needed for each block face that meets a board.

Stage 1: Walls

Mark out a hexagon. First use the string to mark out a circle with a radius of 2.2m. Once the circle is drawn, mark one spot on the edge, put one end of the string there, and mark where the other end of the rope crosses the circle. Now start from that point, and mark the next crossing point. Continue all the way around to make the hexagon. Alternatively, hold the string in the middle and mark every 60°.

Take 6 panels

Cut off one 25cm corner of each panel. This is called the "Sri Lankan corner" because it was invented in Sri Lanka.

Cut a door and window(s) in one of the panels.

Cut 24 blocks at an angle of 120º angle. 18 are used for the walls. Safe the other 6 for later. There will be 3 blocks in each corner, one near the ground, one near the middle and the other near the roof.

Screw the blocks to join the walls together. The walls are not joined edge to edge, imagine a straight line down from the end of the "Sri Lankan Corner" and use this as the edge

Line up the corners to the hexagon you marked out.

Stage 2: Roof

Take 6 panels.

Cut each of them in half through the diagonal. Note: Some materials have a water resistance coating on one side. If so you will want to make two piles of 3 cut each pile along different diagonals for each pile

Trim off the point of each of the 12 triangles. First measure 15cm from the tip along the medium length side of the triangle and cut it straight off. Then measure 10cm further along the same side and cut from that point to the middle of the new tip.

Use 2 triangles to create each of the 6 roof-pieces. This is done by overlapping 2 triangles by the width of a block (roughly 50mm). Use 2 blocks.

Cut 12 blocks at an angle of 150º angle. There will be 2 blocks in each corner, roughly 60cm away from the the ends.

Join the roof pieces with the 150º blocks. Make sure that they are lapped properly. The to piece should protrude by 50mm. Use the center of the roof as guidance to how far up or down the individual roof modules should be slided before your screw in the screws.

Stage 3: Lifting the Roof

Split into three groups.

Have ¼ of the people inside the hexagon waiting at the wall nearest the roof cone (Group 1) Have ¼ line up at the faces near at hexagon (Group 2) Have the rest spread themselves evenly around the roof cone (Group 3).

Group 2 and 3 lift and reposition the roof cone so that a corner of the wall is directly facing a corner of the roof.

They then carry the roof toward the hexagon slowly. When near the wall, allow Group 2 to pass the load onto Group 1 and then move out of the way. Group 2 then moves around to the side with the door ready to receive the load again.

Lower the roof into place and secure with the leftover blocks from Stage 1. Add additional screws at the corners, through the roof and into the top wall blocks.


Variants

Haiti/Hurricane Hexayurt

A plywood hexayurt with reinforced corners and anchoring to the ground for high wind conditions.

Plywood H13

The plywood version of Scott Davis and Dylan Toymaker's H13 design. Using one more sheet of plywood and switching the arrangementof the roof panels results in a structure with a full 8′ entry-way, much more interior walkable space

Additional details

Finer Points

Corner Block

When screwing the block at the edges with an overlap, Screw the block to the sheet that is at the edge first. Leave about 1cm between the corner of the block and the edge of the sheet. Then screw the other sheet in place. this will "pull" the sheets tighter than if done the other way.

Temporary Measures

Door

Screw four blocks near the corners of the door so that they overhang a little bit and give a lip for the door to rest on On the inner side screw two block around the middle. Secure one side with two screws. For the other side use only one screw, position he block and the screw so that dependent on the orientation the block it will either hold the door in place or allow it out. This will allow the door to “locked” from the inside until more permanent measures are in place Add a last block to the door as a handle. Diagrams pending

Tricks for limited tools

Measuring angles

Take a sheet of paper, fold it in half and then half again. Now fold in a ‘Z’ it into thirds. Unfold and you now have a sheet that can be used to measure any multiple of 30°.


Links

These links need to be sorted LucasG 14:54, 14 April 2011 (PDT)

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