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Loop calculator improved
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Jens True
2022-04-11 13:41:16 +00:00
parent 379537f200
commit 106e0ade89
3 changed files with 66 additions and 111 deletions
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23
content/post/endless-loop/index.md
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---
# Documentation: https://wowchemy.com/docs/managing-content/
title: "Endless Loop"
subtitle: ""
summary: ""
subtitle: "Calculate the lengths for an endless Dyneema loop"
summary: "Calculate the lengths for an endless Dyneema loop"
authors: []
tags: []
categories: []
date: 2022-04-10T22:42:25+02:00
lastmod: 2022-04-10T22:42:25+02:00
featured: false
draft: true
draft: false
# Featured image
# To use, add an image named `featured.jpg/png` to your page's folder.
# Focal points: Smart, Center, TopLeft, Top, TopRight, Left, Right, BottomLeft, Bottom, BottomRight.
image:
caption: ""
focal_point: ""
preview_only: false
# Projects (optional).
# Associate this post with one or more of your projects.
# Simply enter your project's folder or file name without extension.
# E.g. `projects = ["internal-project"]` references `content/project/deep-learning/index.md`.
# Otherwise, set `projects = []`.
projects: []
---
{{< loop_calc >}}
# Calculator
All measurements are in Centimeters.
{{< splice/calc_loop >}}

97
layouts/shortcodes/loop_calc.html
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<script>
function Calculate(obj)
{
tail = 53.33 * obj.size.value;
length1 = obj.dia.value;
size = obj.size.value;
body = length1 - 5.56 * size;
stretch = 1.2;
if (size == .109) stretch = 1.1875;
if (size == .125) stretch = 1.2;
if (size == .15625) stretch = 1.2;
if (size == .1875) stretch = 1.2;
if (size >= .25) stretch = 1.2;
head = 16 * size;
obj.length.value = Math.round(8*(3.1416 * length1 * (1 + stretch) +24 * size + 2 * size))/8;
obj.mark1.value = Math.round(8*3.1416 * length1 * stretch / 2)/8;
obj.cur2.value = Math.round(8*( length1 * 3.1416 / 2 ))/8;
obj.idia.value = Math.round(8*( 1.865 * size ))/8;// loop size
}
</script>
<form name="wscform">
<table>
<tr>
<td valigh="top">Loop Diameter</td>
<td><input type="text" name="dia" size="18" value="8" > Inches
</td>
</tr>
<tr>
<td valigh="top">Line Size</td>
<td>
<select name="size">
<option value=".109">7/64
<option value=".125">1/8
<option value=".15625">5/32
<option value=".1875" selected> 3/16
<option value=".25">1/4
<option value=".3125">5/16
<option value=".375">3/8
<option value=".4375">7/16
<option value=".500">1/2
</select>
Diameter of line
</td>
</tr>
<tr>
<td><input type="button" value="Calculate" onClick="Calculate(this.form)"></td>
</tr>
<tr>
<td>Loop size</td>
<td><input type="text" name="idia" size="18" value="0" readonly> OD of loop double braid</td>
</tr>
<!-- <tr>
<td>Capacity</td>
<td><input type="text" name="idia2" size="18" value="0" readonly> Max diameter of load</td>
</tr>
<tr>
<td>Interior size</td>
<td><input type="text" name="folded" size="18" value="0" readonly> inner stretched size</td>
<tr> -->
<td>Line Length</td>
<td><input type="text" name="length" size="18" value="0" readonly> Total rope needed</td>
</tr>
<tr>
<td>Mark</td>
<td><input type="text" name="mark1" size="18" value="0" readonly> From center mark</td>
</tr>
<tr>
<td>Extended Length</td>
<td><input type="text" name="cur2" size="18" value="0" readonly> Tip to tip</td>
</tr>
<!-- <tr>
<td>Body</td>
<td><input type="text" name="body" size="18" value="0" readonly> </td>
</tr>
<tr>
<td>Loop</td>
<td><input type="text" name="loop" size="18" value="0" readonly> </td>
</tr> -->
</table>
</form>

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layouts/shortcodes/slice/calc_loop.html Normal file
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<script>
function Calculate(obj)
{
//All calculations in CM
loop_dia = obj.loop_dia.value;
line_diameter = obj.line_diameter.value;
//Stretch factor
stretch = 1.2;
if (line_diameter <= .25) stretch = 1.1875;
//Calculate
var idia = 1.865 * line_diameter;
var length = Math.PI * loop_dia * (1 + stretch) + 26 * line_diameter;
var mark = Math.PI * loop_dia * stretch / 2;
var length_extended = loop_dia * Math.PI / 2;
//Assign and round
obj.idia.value = idia.toFixed(1) +"cm";
obj.length.value = length.toFixed(1) +"cm";
obj.mark.value = mark.toFixed(1) +"cm";
obj.length_extended.value = length_extended.toFixed(1) +"cm";
}
</script>
<form>
<div class="form-group">
<label for="line_diameter">Line diameter</label>
<select class="form-control form-control-lg" name="line_diameter" onChange="Calculate(this.form)">
<option value=".2">2mm</option>
<option value=".25">2.5mm</option>
<option value=".3">3mm</option>
<option value=".4" selected>4mm</option>
<option value=".5">5mm</option>
<option value=".6">6mm</option>
<option value=".8">8mm</option>
<option value="1.0">10mm</option>
<option value="1.2">12mm</option>
</select>
<label for="loop_dia">Loop diameter (in centimeter)</label>
<input type="number" min="0" step=".1" class="form-control form-control-lg" id="loop_dia" aria-describedby="emailHelp" placeholder="Enter loop diameter" onChange="Calculate(this.form)">
</div>
<hr>
<div class="form-group">
<label for="idia" class="col-sm-2 col-form-label">Loop size (Diameter of double braid)</label>
<input type="text" readonly class="form-control-plaintext" id="idia">
<label for="length" class="col-sm-2 col-form-label">Total rope needed</label>
<input type="text" readonly class="form-control-plaintext" id="length">
<label for="mark" class="col-sm-2 col-form-label">From center mark</label>
<input type="text" readonly class="form-control-plaintext" id="mark">
<label for="length_extended" class="col-sm-2 col-form-label">Tip to tip</label>
<input type="text" readonly class="form-control-plaintext" id="length_extended">
</div>
</form>