Its time to re-visit the binocular.
This is roughly what I want.
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I started these over 5 years ago but got side tracked building recumbent bicycles.
Now I've almost finished the refractor I've started back on these.
This is being built entirely from scratch including grinding and polishing the two 12" mirrors.
I will purchase the secondary and tertiary mirrors but that should be about it.
I got as far as building the mirror grinding machine,
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the pendulum grinder, this bolts to the grinding machine and hogs out the mirrors to the required radius of curvature. The motor drives a diamond disk to grind the glass and a standard grinding disk for steel for some of the tools.
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the jigs for the hexagons
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and a jig for the vertical struts.
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I will show how these work as we go along.
I managed to make a start on the four trusses and one top cage before I put it away so thats where this project re starts.
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The top cage was rusty so with a generous application of a wire cup brush on an angle grinder (do not do this at home kiddies) I removed all the rust and gave a quick spray of primer.
By the time I finished the cup brush was shedding wires and a large number of them embedded themselves in my wrist and arm.
I had purchased all the square tube and as its just been sitting there it also rusted so I cut all the bits for the second top cage and started the derusting process on them.
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You will notice there is one diagonal brace in the bottom truss, now I need to add 35 more and de rust them.
I'm thinking some plastic drain pipe with an end cap as a long holder for the derust and all the sections.
The two top cages will rotate using the large lazy susan bearings.
In the mean time I went through the older mig welder and checked it out, gas wont turn off when the trigger is released so I have to fix that but otherwise its all good.
There is a lot to do so this will not be a fast project and I expect other things will pop up to prevent me from working on it but the fingers are well and truly crossed.