From c759239e63c653dbfba851532d0b4bcab3523707 Mon Sep 17 00:00:00 2001 From: Wookey Date: Tue, 30 Jun 2015 17:09:17 +0100 Subject: [PATCH] Add drawing and more words to bivirigging guide. --- handbook/bivirig.html | 20 +++++++++++++++----- handbook/bivirig.svg | 41 ++++++++++++++++++++++++++--------------- 2 files changed, 41 insertions(+), 20 deletions(-) diff --git a/handbook/bivirig.html b/handbook/bivirig.html index 52e372d3d..5ea0c16c9 100644 --- a/handbook/bivirig.html +++ b/handbook/bivirig.html @@ -38,6 +38,8 @@ up, because that works for all three sections. So the gear/stove/animal-hole wall. The 'back' is the top end of the bridge. The 'front' is the main entrance.

+Drawing of tarp layout +

Water tarp

Use a long/thin (2x5m) waterproof 'logpile' tarp. It is hung @@ -49,11 +51,12 @@ onto the 'water platform' (not into the food boxes).

It's easiest to approximately tie the tarp to the side ropes with adjustable knots, then put the ropes in place, adjusting as you go. The outer line ends up too high to adjust once properly in -place.

+place. Adjust it to catch as much of the water falling through the +hole as possible, and slope gently, but consistently downwards.

In past years we have hung the funnel in the hole. This is a faff and misses a lot of water. Just hang it below the end of the tarp where -it will get nearly all the water and is much easier to hang.

+it will get nearly all the water and is much easier to hang/adjust/unclog.

Main roof tarp

@@ -71,10 +74,17 @@ that it goes all the way to the right wall, partly 'underneath', and the left hand edge is about in line with the steps up the middle. The back edge lines up with where the roof rises at the back entrance.

-

Start by rigging -

So start by opening it out to full width on the wide central -bed-shelf. and pulling the RH edge

+bed-shelf. and pulling the RH edge close to the wall. Sequencing the ropes is a bit tricky, you need the tarp vaguely in place, then install the two main ropes to lift it up. Finalise th tarp position and tension it.

+ +

Once the tarp is somewhat spread out, rigging the ends of the two +main ropes - one across the front and one across the middle (passing +under the tarp). These are the two that take high loads. The rear +major rope has no real load - it just keeps things neat. Now tension +them to lift the tarp up and ensure it is neatly spread. The middle +rope attaches to the roof bolt just at the LH edge of the tarp. This +needs someone very tall, or sitting on shoulders, or something devious +with bivi string to pull it tight.

diff --git a/handbook/bivirig.svg b/handbook/bivirig.svg index 042f838c7..b16f5bce8 100644 --- a/handbook/bivirig.svg +++ b/handbook/bivirig.svg @@ -40,8 +40,8 @@ inkscape:pageopacity="0.0" inkscape:pageshadow="2" inkscape:zoom="1.979899" - inkscape:cx="259.53531" - inkscape:cy="861.04223" + inkscape:cx="387.56586" + inkscape:cy="721.51676" inkscape:document-units="px" inkscape:current-layer="layer1" showgrid="false" @@ -1357,14 +1357,14 @@ Back + x="270.95322" + y="157.91801">Back Right + transform="translate(509.58021,165.71143)"> + transform="translate(509.93736,168.4149)"> + transform="translate(509.93736,161.62382)"> + transform="translate(509.93736,170.71144)"> + transform="translate(509.93736,164.05389)"> Bolt in Ceiling @@ -1687,7 +1687,7 @@ id="path3988" inkscape:connector-curvature="0" /> @@ -1734,11 +1734,11 @@ y="124.93577">W(Nat) + transform="translate(509.93736,171.1313)"> Bivi String + Bolt through eyelet