Geodesic Dome

Zip Tie Domes Australia

Proudly Made in Doonan, Queensland

Geodesic Dome Greenhouse Kits and Chicken Coop Kits For Sale

Zip Tie Domes Australia

Geodesic Chicken Coop

Proudly Made in Doonan, Queensland

Geodesic Dome Greenhouse Kits and Chicken Coop Kits For Sale

Zip Tie Domes Australia

Geodesic Dome Greenhouse Kits and Chicken Coop Kits For Sale

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61 411 415 775

 

How to Use the Dome Calculator

1. Select Hub Size:
Select "No Hubs" to get the true "chord" length for each strut, which is the full distance for the strut between each geodesic dome vertex.
For most dome construction methods, you will use the "No Hubs" selection.
With our Zip Tie Domes Hub Design, the geodesic dome vertex is located in the middle of our "Center Ring".
When using our Hubs, the width of our Center Ring must be added to the strut length to give the true geodesic dome dimensions.
Select Standard 4" Hubs for calculating domes with our 4" Standard Hubs or Dual Covering Hubs, which have a 2.375" Center Ring. These hubs are used with 1" PVC pipe for struts.
Select Super 6" Hubs for calculating domes with our new 6" Super Hubs, which have a 3.5" Center Ring. These hubs are used with 1.5" PVC pipe for struts.
Select Mega 8" Hubs for calculating domes with our proposed 8" Mega Hubs, which will have a 4.5" Center Ring. These hubs will be used with 2" PVC pipe for struts.

2. Feet or Meters
Click the button for "Meters" if you are using metric measurements.

3. Data Entry:
Enter a number with or without a decimal fraction in any of the number fields on the left. (For example, enter "5" or "3.3333")
Click the Calculate Button. All of the other numbers will be automatically calculated.
The Blue Struts are always the longest struts. If you know your longest strut length, enter your data for the longest strut length in the Blue Strut field.
To build a strong dome, the longest strut should not be more than 6' long.

Cost Calculation and Material Utilization Chart
The default "Length of Pipe" for cutting your struts has been set to 10'. You can change this to 20' or whatever length of pipe you have to cut for your struts.
You can also update the "Cost Per Pipe" amount, and click the Calculate field, and the "Total Cost of Materials" amount will be calculated at the bottom of this section.
If you are cutting 4' struts, consider using 20' lengths of pipe, as there will be less waste as compared to cutting 4' lengths from 10' pipe.

2 Frequency Silo Dome Calculator

This is a standard 2v dome that is mounted on top of a vertical section of 30 blue struts and 10 blue hubs, which raises the center height of the dome.

2 Frequency Silo Dome Calculator

2v Geodesic Silo Dome Calculator
2v Silo Dome
 
Select Hub Size
No Hubs:     Standard 4" Hubs:     Super 6" Hubs:     Mega 8" Hubs:
Feet:   Meters:
Enter
 
Convert to Feet & Inches
Chord
 
 
Numbers Only

Dome Radius

0 0"

 
 
Numbers Only

Length of 65 Blue "A" Struts

0 0"

.61803

 
 
Numbers Only

Length of 30 Red "B" Struts

0 0"

.54653

 
 
Numbers Only

Dome Diameter

0 0"

 
 
Numbers Only

Dome Ground Perimeter

0 0"

 
 
Numbers Only

Silo Dome Height at Center

0' 0"

 
 
Numbers Only

Dome Floor Area (Square )

 

6

Number of Red 5-Way Hubs

 

30

Number of Blue 6-Way Hubs

 

36

Number of Center Rings

 

190

Number of Zip Ties to Construct the Dome

 

108

Number of Zip Ties to Secure the Inside Covering (3 per hub)

 

108

Number of Zip Ties to Secure the Outside Covering (3 per hub)

 

0 Length
0 Width  

Absolute Minimum Square Covering Dimensions for a Tightly Fitted Dome Cover

 

0 Length
0 Width  

Minimum Square Covering Dimensions for a Dome Cover Secured to the Hubs with Zip Ties with a Minimum Overlap at the Bottom of the Dome

 

0 Length
0 Width  

Maximum Square Covering Dimensions for a Dome Cover Secured to the Hubs with Zip Ties with an Ample Overlap at the Bottom of the Dome

 

0

Dome Surface Area (Square )

 

0

Dome Volume (Cubic )

 

0

Total Length of All Struts Added Together ()

Cost Calculation and Material Utilization Chart

 

 
 

Length of Pipe:

Cost Per Pipe:

 
 

Blue "A" Struts

 
 

Blue "A" Strut Units Entered:

0

Feet and Inches:

00"

 
 

Number of Pipes needed to Create (65) Blue "A" Struts:

0

 
 

Number of Blue "A" Struts Produced From Each Uncut Pipe:

0

 
 

Waste for First 0 Pipes after Cutting 0 Struts Each:

0 = 00"

 
 

<-

 
 

Number of Blue "A" Struts Created from the first 0 Pipes:

0

 
 

Number of Blue "A" Struts Created from the Last Pipe:

0

 
 

Waste on the Last Pipe after Cutting 0 Strut(s):

0

 
 

<-

 
 

Total Waste in Creating 65 Blue "A" Struts:

0

 
 

Red "B" Struts

 
 

Red "B" Strut Units Entered:

0

Feet and Inches:

00"

 
 

Number of Pipes needed to Create (30) Red "B" Struts:

0

 
 

Number of Red "B" Struts Produced From Each Uncut Pipe:

0

 
 

Waste for First 0 Pipes after Cutting 0 Struts Each:

0 = 00"

 
 

<-

 
 

Number of Red "B" Struts Created from the first 0 Pipes:

0

 
 

Number of Red "B" Struts Created from the Last Pipe:

0

 
 

Waste on the Last Pipe after Cutting 0 Strut(s):

0

 
 

<-

 
 

Total Waste in Creating 30 Red "B" Struts:

0

 
 

COST OF MATERIALS GRAND TOTALS:

 
 

Total Waste for All Struts:

0

 
 

Number of Uncut Pipe/Materials Needed:

0

 
 

Total Cost of Materials @ $4.50 Each:

$

 

Dome Weight Chart

 
Weight Chart 1" PVC Sch.40 1" PVC Sch.80 1.5" PVC Sch.40 2" PVC Sch.40 3/4" EMT 1" EMT 5/8" Iron Rebar #5 3/4" Iron Rebar #6 1/2" Basalt Rebar #4 5/8" Basalt Rebar #5
Lbs Per Linear Ft .32 .41 .51 .68 .435 .64 1.043 1.502 .237 .46
65 Blue "A" Struts 0 0 0 0 0 0 0 0 0 0
30 Red "B" Struts 0 0 0 0 0 0 0 0 0 0
Total Weight of Struts (lbs) 0 0 0 0 0 0 0 0 0 0
Weight of Hubs, Rings, Zip Ties 20.4 20.4 50.8 91.0 20.4 20.4 20.4 20.4 20.4 20.4
Total Dome Weight (lbs) 0 0 0 0 0 0 0 0 0 0

2 Frequency Tessellation Diagram

2v Geodesic Dome Tessellation Diagram

 

Blue "A" Chord Factor:   .61803

Red "B" Chord Factor:   .54653

Dome Panels / Coverings

 

A 2v Dome Will Require Panels / Coverings for:

 

 

40 A-A-A Equilateral Triangles

30 B-A-B Isoceles Triangles

 
 

A-A-A Triangles

B-A-B Triangles

 

Total Triangles: 70

--------------------------------------------

 

Triangle Dimensions

 

40 A-A-A Equilateral Triangles

 
A-A-A Triangle
A-A-A Triangles
Altitude Xa Decimal 0
Feet and Inches 0 0"
 
 
A-A-A
Triangle
Edge
Measurement Strut
Length
Center Ring
Hub Width
Triangle Edge
Total Length

A

Decimal 0 0 0
Feet and Inches 0 0" 0" 0 0"
 
Surface Area for Each A-A-A Triangle 0 Square

 

30 B-A-B Isoceles Triangles

 
B-A-B Triangle
Base = "A"
B-A-B Triangles
Altitude Xa Decimal 0
Feet and Inches 0 0"
 
B-A-B Triangle
Base = "B"
B-A-B Triangles
Altitude Xb Decimal 0
Feet and Inches 0 0"
 
 
B-A-B
Triangle
Edge
Measurement Strut
Length
Center Ring
Hub Width
Triangle Edge
Total Length

A

Decimal 0 0 0
Feet and Inches 0 0" 0" 0 0"

B

Decimal 0 0 0
Feet and Inches 0 0" 0" 0 0"
 
Surface Area for Each B-A-B Triangle 0 Square

This Dome Calculator was written in June, 2016

by johnhurt.com

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Flag of Scotland
Alba gu bráth - Scotland Until Judgment

Auld Lang Syne

Should auld acquaintance be forgot,
And never brought to mind?
Should auld acquaintance be forgot,
And auld lang syne!

Chorus.-For auld lang syne, my dear,
For auld lang syne.
We'll tak a cup o' kindness yet,
For auld lang syne.

And surely ye'll be your pint stowp!
And surely I'll be mine!
And we'll tak a cup o'kindness yet,
For auld lang syne.
For auld, &c.

We twa hae run about the braes,
And pou'd the gowans fine;
But we've wander'd mony a weary fit,
Sin' auld lang syne.
For auld, &c.

We twa hae paidl'd in the burn,
Frae morning sun till dine;
But seas between us braid hae roar'd
Sin' auld lang syne.
For auld, &c.

And there's a hand, my trusty fere!
And gie's a hand o' thine!
And we'll tak a right gude-willie waught,
For auld lang syne.
For auld, &c.

Robert Burns - 1788

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