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Ancient city of SztMirton and Cathedral by bikicsmilan

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Re: Ancient city of SztMirton and Cathedral by bikicsmilan

Postby bikicsmilan » Mon Jan 03, 2011 9:11 pm

I used the new round tower technique for this small staircase spire half a year ago:

http://www.brickshelf.com/cgi-bin/gallery.cgi?i=4553929

I was a bit disappointed, too, that it went without any notice :(

And with the clockwork carillon two and a half years ago:

http://www.brickshelf.com/cgi-bin/gallery.cgi?i=3516487
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Re: Ancient city of SztMirton and Cathedral by bikicsmilan

Postby jediknight219 » Mon Jan 03, 2011 11:53 pm

OK, I think I see what's going on. I didn't even know those gears existed. That fits together nicer than I would have expected. I'll have to remember this trick.

I've been working with http://peeron.com/inv/parts/3873 and http://peeron.com/inv/parts/57518 to get similar results.
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Re: Ancient city of SztMirton and Cathedral by bikicsmilan

Postby bikicsmilan » Tue Jan 04, 2011 8:17 am

:wink: That's right! The core of such a tower is a gear. For European builders, it's an Expert Builder gear from the 70s, e.g. http://www.bricklink.com/catalogItem.asp?P=g21 which comes in three sizes, combined with Znap pieces from the 90s, for example this: http://www.bricklink.com/catalogItem.asp?P=Zbb015. You can easily fit the end of a Znap piece onto the tooth of a gear. The items needed are available at a moderate price in many Bricklink shops. One advatage of this technique is that you only need two gears to construct a tower.
For fleshing out the tower, you'll need to insert half pins http://www.bricklink.com/catalogItem.asp?P=4274 into the Znap holes. Then there comes as many strips of x1 plates and/or bricks as there are teeth on the gear. For a 21 tooth gear, the height of each strip will be 2 bricks. When you've applied the strips onto each Znap beams, simply cover the strips with 1x2 tiles in an alternating pattern like this: http://www.brickshelf.com/cgi-bin/gallery.cgi?i=4824121 Of course you can use 2x2 tiles and 2x2 round tiles or any other 1x2 modified tiles or modified plates for a more exquisite pattern, I leave experimenting to you :eyebrows: . The diameter of a tower on a 21 tooth gear-Znap core will be almost exactly 14 studs. For a slightly smaller diameter use thinner strips and 1x1 and 1x2 tiles like here: http://www.brickshelf.com/cgi-bin/gallery.cgi?i=4553929 For a slightly larger diameter, use thicker strips and 1x3 tiles. You can vary thickness along a strip pretty easily. This also comes in handy when adding a window or an arrow slit. Remember that a window will inevitably break the tile pattern which you'll have to arrange somehow. For the roof, add hinges e.g. http://www.bricklink.com/catalogItem.asp?P=30365 to the strips along with the other ends bent in an angle and cover them up with wedge plates http://www.bricklink.com/catalogItem.asp?P=41770 or similar ones for steeper roofs. The funny thing is that you won't inevitably need pairs of "left" and "right" wings, a stock of wedges of one orientation will do. Arranged in a circle, they will cover almost everything.
...So, cunning trick, huh? :)
The other technique is not much less cool and is aimed mainly at American builders who have a slightly wider selection of old gears from the Samsonite range, like this one: http://www.bricklink.com/catalogItem.asp?P=742 Unfortunately, these gears are more difficult to come by, and they're almost exclusively found in American Bricklink stores. They also tend to be more expensive than Expert builder gears.
Anyway, towers built with Samsonite gears are VERY stable.
About a year ago, I constructed a lunette http://www.brickshelf.com/cgi-bin/gallery.cgi?i=4086655 on my clock tower applying a Technic hub http://www.bricklink.com/catalogItem.asp?P=424 on each tooth with alternating orientation. However, this is not the best solution for bigger towers as it is a bit weak and shaky, let alone expensive.
For sturdy spires, you will need inexpensive pin joiners http://www.bricklink.com/catalogItem.asp?P=62462 or modified plates http://www.bricklink.com/catalogItem.asp?P=2817 I prefer this latter one because they will stabilise your tower even further by connecting them with plates. However, I'll focus on the simpler build here with the pin joiners and let you experiment with the latter.
So, the first problem arises: you can NOT place pin joiners on adjacent teeth. That can only be done with expensive hubs. This issue kept my thoughts away from the topic for a year. Then two weeks ago it just struck me and I finally got it. For a tower, you'll need at least four gears: two for the bottom and two for the top.
Let's take the bottom, the top will be done in a similar fashion. Get a gear and attach a pin joiner on every SECOND tooth. Then stack one brick and a plate on the top studs of the gear and connect it with the other gear. Take care that all the teeth on the two gears are parallel to each other. Now you should add pin joiners to the second gear, putting one on every FIRST tooth. This way you'll have a bottom section. Now finish the top section in the same manner.
From this point on, there are two ways, but as a matter of fact both ways employ the same strips I described in the first part of this article. The less expensive version includes a studs-down application of the strips with 1x2 plates on top. This way, you save the half pins and achieve a Renaissance sgraffito look: http://en.wikipedia.org/wiki/File:Zamek ... czynie.jpg
The more expensive way is mounting a studs-up version on half pins, like with expert builder gears/Znap beams.

Some data:

Samsonite 14 tooth gear
height of strips: 2 plates +1 tile
tower diameter: 10 studs.

Samsonite 21 tooth gear
height of strips: 2 bricks +1 tile
tower diameter: 15 studs.

Samsonite 35 tooth gear
height of strips: 3 bricks 2 plates +1 tile
tower diameter: 23 studs.

Samsonite 42 tooth gear
height of strips: 4 bricks 2 plates +1 tile
tower diameter: 27 studs.

I hope this article was informative to you.
I'm wishing you a happy experimenting with round towers! :wave:
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Re: Ancient city of SztMirton and Cathedral by bikicsmilan

Postby Formendacil » Tue Jan 04, 2011 4:32 pm

I am... absolutely blown away by the gear-construction of this round tower, and can only commend you on working it out. However, it's so far beyond what I could do, that I was almost more impressed by this picture:

bikicsmilan wrote:1.The first deeplink shows the clock tower which is optically 95% finished. From this view, however, it's 100% complete:

http://www.brickshelf.com/cgi-bin/gallery.cgi?i=4824113


This is one of those pictures where I know it is LEGO, because you're posting on a LEGO forum and I recognise the distinctive (and fairly monochromatic) tone of LEGO grey... but I have no idea about scale or a clue about the pieces you've used for anything until I really take a good look at it. It is phenomenal. If the finished project lives up to this standard, it will be a work of art as well as a technical wonder.
Because everyone needs another LEGO blog to follow:
Grandfather's Tales
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Re: Ancient city of SztMirton and Cathedral by bikicsmilan

Postby Athalus » Wed Jan 05, 2011 3:35 pm

Formendacil wrote:(...) It is phenomenal. If the finished project lives up to this standard, it will be a work of art as well as a technical wonder.


My thoughts exactly. I've rarely seen such amazing architecture in lego...
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Re: Ancient city of SztMirton and Cathedral by bikicsmilan

Postby bikicsmilan » Sun Jan 30, 2011 10:20 am

Dear Classic Castlers,

See the update of my cathedral project here:

http://www.brickshelf.com/cgi-bin/gallery.cgi?f=459971

This Romanesque section served as the south-eastern spire of the XIth century basilica. Builders in the Gothic architectural period retained this part along with the adjoining lateral nave (my next project) and incorporated them into the vast Gothic structure as a chapel with the sacred shrine of StMirtin. Spiritually and culturally speaking, this is by far the most important part of my project.
Have fun! :wink:
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Re: Ancient city of SztMirton and Cathedral by bikicsmilan

Postby bikicsmilan » Sun Jan 30, 2011 10:54 am

I also completed the Baroque chapter house:

http://www.brickshelf.com/cgi-bin/gallery.cgi?i=4859415

Note the three differently shaped windows. They used to frame the magnificent Gothic depictions of the three wisemen in stained glass. Unfortunately, the glass and the traceries were shattered during the Ottoman siege of 1554. It also left the Romanesque chapel underneath lightly damaged. After the Turkish wars, the chapel and its surroundings were restyled in the manner in fashion and the chapel took over the role of the chapter house, formerly located on the other side of the complex. Interestingly, some Gothic and Romanesque details, most notably the staircase turret, survived refurbishment unaltered.
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Re: Ancient city of SztMirton and Cathedral by bikicsmilan

Postby Jacks100 » Sun Jan 30, 2011 4:58 pm

You...Are...Amazing. :twitch:
~Ru
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