Extremely Large Telescope

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Re: Extremely Large Telescope

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Re: Extremely Large Telescope

Postby wingnut2 » Wed May 15, 2019 5:29 pm

Mark wrote:I've just ordered the last few bits, so when this last parcel arrives I'll have the complete set. Then I have the fun of sorting through 5000 pieces in order to find the bits I need for each step!

Hi Mark :) only 5000 pieces ? it's a walk in the park :laughing-rolling: :laughing-rolling: :lol:
W2 ;)
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Re: Extremely Large Telescope

Postby casper » Sat May 18, 2019 5:39 am

#Moon2024
Interesting times to come :)
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Re: Extremely Large Telescope

Postby Mark » Mon Jun 24, 2019 5:37 am

Sorry for the lack of updates. A month's business trip got the better of me. I had planned on taking a model to building the evenings, but as I ended up working 7 days a week, 12 hours a day, there wouldn't have been any time.
I'm back briefly now, but off for another business trip tomorrow (no peace for the wicked!) and then a weeks holiday!

While I was away, I had the last batch of parts delivered, so I now have everything I need (hopefully no mistakes have crept in!)

So here's the next step. The start of the walls that form the runners of the azimuth ring.

ImageUntitled by Mark Wakelin, on Flickr

These assemble to flexible strips that are only fixed at the top, bottom, left and right of the circle. So they don't naturally form a circle, but have to be coaxed into place. Like many MOCs, the standard of engineering isn't up to Legos standard.
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Re: Extremely Large Telescope

Postby casper » Wed Jun 26, 2019 9:34 am

looking forward to your updates Mark :mrgreen:
tiles make all the difference
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Re: Extremely Large Telescope

Postby Mark » Sat Jul 13, 2019 8:30 am

A little more progress. These are some odd sub-assemblies that go on the top of the towers. I think the cylindrical parts are probably elevation motors. The rest, not a clue!! Annoyingly, these now sit around until the final assembly. Even more annoyingly, the instructions only show one side of the finished model, so I've no idea where the other side parts go. Ah, the joys of a MOC type Lego model!!

ImageUntitled by Mark Wakelin, on Flickr

These are the platforms at the top of the towers. All the above bits go on here somewhere.... (but where??)

ImageUntitled by Mark Wakelin, on Flickr

These are the elevation bearings, where the mirror pivots up and down. Again, it's difficult to see how the final assembly is fitted. I think some experimentation and disassembly will be called for. Certainly not a beginners model :lol: :lol: :lol:

ImageUntitled by Mark Wakelin, on Flickr

Then there are a couple of towers. Not a clue where these go. I can't see them in the instructions at all. There is a 2x2 brick missing, which is currently winning the game of hide and seek! The two top parts don't actually click in. Again, something you'd never see on a genuine Lego produced kit. There are a few assemblies like that on the parts in the first photo.

ImageUntitled by Mark Wakelin, on Flickr

Finally, for today, there is this assembly. Again, not a clue where this goes on the finished model.

ImageUntitled by Mark Wakelin, on Flickr

Let's hope some of these mysteries are cleared up as the build progresses.
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Re: Extremely Large Telescope

Postby casper » Sat Jul 13, 2019 5:12 pm

"Let's hope some of these mysteries are cleared up as the build progresses"
no peeping :) Its nice to go "oh thats what that is" every once and a while
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Re: Extremely Large Telescope

Postby Mark » Sat Jul 13, 2019 6:27 pm

I love your optimist outlook :laughing-rolling:
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Re: Extremely Large Telescope

Postby Mark » Thu Sep 05, 2019 5:44 pm

Finally, I've found some time to do some building. I must get back to the H2R soon, but I thought I'd have another bash at this first.

Here's the start of the azimuthing bit; which is the bit that turns the telescope clockwise or anti-clockwise. (I'm sure there is a more technical word than 'bit'! Perhaps, gimbal, but I'm not certain)

There are a couple of loose gear wheels. Hopefully I'll figure out where they fit later.

ImageUntitled by Mark Wakelin, on Flickr

Next we move on to the uprights which support the elevation bearings (the bearings which allow the 'scope to point up or down). This is the bottom of the support which has the wheels that the supports run on. One wheel was winning the game of Lego hid and seek, but I found it later.

ImageUntitled by Mark Wakelin, on Flickr

These continue to build up. The dark technic beams will eventually connect to the assembly in the first photo.

ImageUntitled by Mark Wakelin, on Flickr

.....and continue to get taller...

ImageUntitled by Mark Wakelin, on Flickr

At last we get a little bit of colour. It all falls apart very easily a the moment!!

ImageUntitled by Mark Wakelin, on Flickr

This is proving to be quite a tricky build. Much harder than a Lego produced model. Partly because it's not quite so well designed, and partly because the instructions have much more pieces per step than Lego instructions. 5000+ part assembled in 76 steps, as opposed to the 300+ steps you'd expect from a boxed kit. No disrespect intended to the creator. It's a brilliant kit, and it took an awful lot of skill and work to design the model and produce a workable set of instructions.
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Mark

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Re: Extremely Large Telescope

Postby casper » Thu Sep 05, 2019 6:56 pm

well jell 8-)
I like "azimuthing" never heard of it before but I like the sound of it :D
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Re: Extremely Large Telescope

Postby Mark » Tue Sep 10, 2019 5:49 am

Onward, and upwards!

This is the next stage, and the first technical problem I had (as opposed to general struggling with the instructions!
The axle that you can just see (sorry, the angle isn't very good) that extends vertically up the centre of the support. It's half hidden by the left blue tower. Well, it's a 5.5 long axle with stop, that's about 1/4 of a stud too long, and was stopping the grey cross piece clicking in properly. I had a choice between taking a knife to it and cutting 3mm off the end, or just finding a 5 long axle which was light grey instead of dark grey, and was a little short, but stayed in place OK. It seemed the more acceptable option.

ImageUntitled by Mark Wakelin, on Flickr

The next step provided some amusement.... take these parts

ImageUntitled by Mark Wakelin, on Flickr

...and this is the instruction.

ImageUntitled by Mark Wakelin, on Flickr

I assembled all the parts visible in the instruction picture.

ImageUntitled by Mark Wakelin, on Flickr

and had all these parts left over! They go on the inside, which is completely hidden from view :angry-banghead:

ImageUntitled by Mark Wakelin, on Flickr

Fortunately a few steps further on we have this picture.

ImageUntitled by Mark Wakelin, on Flickr

so I finally ended up with this, and no parts left over :D

ImageUntitled by Mark Wakelin, on Flickr

The next step gave me this. I'll have to stop work on these supports now as I'm missing some angles axle connectors. There was bound to be something I'd forgotten!!

ImageUntitled by Mark Wakelin, on Flickr
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Re: Extremely Large Telescope

Postby casper » Tue Sep 10, 2019 10:15 am

[quote]and this is the instruction/quote]
Oh my :o the instruction for the Porsche gave one brick per page :laughing-rolling: :lol:
I would most certainly make a mistake and have to backtrack or start pulling hair out and throwing the model at the wall :lol:
meticulous and precise 8-)
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Re: Extremely Large Telescope

Postby Mark » Tue Sep 10, 2019 11:12 am

It’s fair to say that there is a lot of checking, double checking, a bit of back tracking and a lot of head scratching :laughing-rolling:
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Re: Extremely Large Telescope

Postby casper » Tue Sep 10, 2019 11:27 am

wish I had one though, fantastic model :mrgreen:
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Re: Extremely Large Telescope

Postby Mark » Fri Sep 13, 2019 4:27 pm

Since work on the main supports has come to a grinding halt, I thought I'd start on the mirror. This is a large subassembly, measuring about 12" across.

Let's start with the centre part. The 6 light grey axles fall out.... #annoying (my daughter tells me that hashtag is old hat now - nobody uses it any more. Well, sounds like it's about time for daddy to start using it then! :lol: :lol: :lol: )

ImageUntitled by Mark Wakelin, on Flickr

and they still fall out!

ImageUntitled by Mark Wakelin, on Flickr

See? Very annoying!

ImageUntitled by Mark Wakelin, on Flickr

So I sneaked in some thin axle stops...only to discover later in the build that it was a complete waste of time!

The mirror assembly is made of 6 segments, and it is remarkably complex, and remarkably fragile.

Here's the base.

ImageUntitled by Mark Wakelin, on Flickr

ImageUntitled by Mark Wakelin, on Flickr

Each segment is made of 7 smaller pieces.

ImageUntitled by Mark Wakelin, on Flickr

Which look something like this. Mind, the centre-most segment shouldn't be fitted yet, as all 6 of them interlink and have to be fitted as a complete hexagon.

ImageUntitled by Mark Wakelin, on Flickr

A side view, to give you an idea of what's going on inside.

ImageUntitled by Mark Wakelin, on Flickr

Half a mirror! Joining the sections is challenging!!

ImageUntitled by Mark Wakelin, on Flickr

Finally, all 6 sections joined. Fitting the last one was 'fun' !!

ImageUntitled by Mark Wakelin, on Flickr

That centre bit where I added the thin axle stops is actually fitted like this, so the stops I added were unnecessary.

ImageUntitled by Mark Wakelin, on Flickr

And the inner hexagon of the mirror goes like this. This actually went in fairly easily.

ImageUntitled by Mark Wakelin, on Flickr

Then a little thingy (technical term!) goes on top.

ImageUntitled by Mark Wakelin, on Flickr
Cheers
Mark

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Re: Extremely Large Telescope

Postby casper » Fri Sep 13, 2019 4:38 pm

Interesting assembly, how many silver studs are there in all :o
I just looked and dont have a hashtag symbol on my keyboard :think:
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Re: Extremely Large Telescope

Postby Mark » Fri Sep 13, 2019 5:45 pm

798 silver studs in the parts list :o :o :o
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Re: Extremely Large Telescope

Postby Mark » Sun Sep 15, 2019 7:28 am

Here's the underside of the mirror, just for interest.

ImageUntitled by Mark Wakelin, on Flickr

There next stage is to make the mirror side supports, but I can't go very far with the as I'm missing the axle angle connectors. They are on order, from Lithuania, via Bricklink. So, while I'm waiting for that, I thought I'd make up the mirror centre gadget. As it turns out, this was a very good idea as it would be a right pain trying to get this on with the rest of the mirror assemble in place.

ImageUntitled by Mark Wakelin, on Flickr

All pretty straight forward.

ImageUntitled by Mark Wakelin, on Flickr

And fitted. This was fiddly as the lowest axle stops are removed, the axles fed through 6 holes, and then the stops are replaced to hold it in place. There wasn't space to get the phone in to photo it, let alone get a finger in!! I ended up putting the axle stop on a spare long axle, holding it in the right position, then pushing it down into place with another spare axle. When all 6 were finally in place and secure, I reassembled all the bits of mirror that had fallen off.......

ImageUntitled by Mark Wakelin, on Flickr

Now I can start on the rest of the mirror frame. You can see the start of the main supports loosely in place, but there's still a fair bit to do on them. I really hope it all stiffens up when I complete the mirror framework, as it's not going to stand much handling as it is!

ImageUntitled by Mark Wakelin, on Flickr

There will now be a bit of a pause while I wait for the post. The postal charge was very cheap, so I guess it's coming surface mail......
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Mark

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Re: Extremely Large Telescope

Postby casper » Sun Sep 15, 2019 5:07 pm

Made good progress Mark, really taking shape now. Nice to see how it looks underneath
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Re: Extremely Large Telescope

Postby royjess » Sun Sep 15, 2019 5:33 pm

Looking Really cool. Coming a long nicely
Completed Builds Hachette - The Black Pearl
Completed Builds DeAgostini - Build the Millennium Falcon

Always thinking outside the box....!
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