Building an observatory. Construction #13

I hadn’t realised that we have a bank holiday weekend coming up, so in the hope that I’ll have a little more time available I decided to get some of the parts for the rolling roof ordered.

First up are the V-groove wheels and track. So many people have recommended these that it seems silly not to.

And then the steel for making the roof frame. I’ve chosen 25mm square section steel tube with a 2.5mm wall. I think that should be sufficient. Just hope I can lift the roof on once it’s made 😀

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