Maxidome

Participants
Skills	construction, grinding, drilling
Status	Active
Niche	Mechanics
Purpose	Infrastructure
Tool	No
Location
Cost
Tool category

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Frame construction

Tubing

30 x 'S' : 1.57m x 22mm steel
40 x 'M' : 1.82m x 22mm steel
50 x 'L' : 1.86m x 22mm steel

Hubs

46x 40mm steel ring
25 x 6-way rings
6 x 5-way rings
15 x 4-way rings

Construction of full scale ziptie hub prototype

Take 75mm ring with 24mm drilled holes, 40mm inner hub ring, strut and ziptie.
Ziptie ring in 8mm drilled holes.
Continue as above.
Make sure to leave ~5mm on the ziptie when cutting short so the catch cannot slip so easily.

Fasteners

7 mm wide zipties
Grommets
Tent rope

Cover construction

Container construction

We need one or more containers to be able to transport the dome in. Before we can build a container we need to figure out what the optimal design would be. A wooden crate? Multiple wooden crates? Plastic bag? Duffelbag? Plz help think

Design decisions

The dome will be 9m in diameter
The tubes will be 22m steel tubes
The inner ring of the hub will be a 40mm external diameter steel ring, with a height of 25 mm.
The outer ring of the hub will be a 75mm external diameter PVC ring, with a height of 50mm.
Both ends of a steel pipe will be equipped with a 8mm hole, with it's centerpoint located 8mm from the edge.
The outer hub will be equipped with 24mm holes.
The short pipes (A) are marked with BLACK tape
The medium pipes (B) are marked with WHITE tape
The long pipes (C) are marked with RED tape
140 grommets are needed
60 herrings are needed
Special tape is used to provide "meat" to mount the grommets on the cover

TODO