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Found 3 results

  1. Hi everyone! I designed an extension for my model in the BrickLink AFOL Designer Program. The Science Tower City Site extension gives the tower a nice square plot to sit on and the possibility to integrate it into a LEGO city. It has a small garden and the pavement is plastered with a reference to the Pythagorean theorem. The tower model can be put on it and taken away easily without modifications. Instructions and parts list for the extension can be downloaded here for free: https://www.thilo-schoen.de/sciencetower.html The Science Tower itself is available as a complete set until July 1 here: https://www.bricklink.com/v3/crowdfunding/designer-sets-for-adult-fans-of-lego/59446/Science-Tower (It includes a nice box with included background image, all necessary parts plus an exclusive part and printed instructions.) Hope you like the extension and maybe it helps you to find a place for the tower.
  2. Hello, this is my first new topic post here, altho you may have seen me commenting :D Anyway, the reason for the post is my MOD of the Town Plan Cinema. I am quite a traditionalist and therefore have not made any drastic changes, i have just made it standard modular size so it fits in with the others, and added more of a back including a second screen. I have seen much better versions out there but i like mine :) Anyway, enough talk... The overall building The twin cinemas featuring the '50 Year Brick' and James Bond. And upgraded snack bar with Pick-n-mix and a fridge... MOre deatiled pics on my flickr stream here: Comments and feedback more than welcome :) Tim.
  3. Hello! I made some experiments nowadays, also this string operated actuator for heavy equipments: http://www.brickshelf.com/cgi-bin/gallery.cgi?f=534220 (this last picture is from another model, just shows the working method) The working pricniple is very simple and effective: the winch in the end of the housing (yellow) pulls out the liftarm construction (gray) with string(s). This isn't realistic, but think about TLC's actuators, they aren't also. I made it for heavy equipment, like crane booms, excavator arms, etc. For raising a big boom, pneumatic has no chance, Lego actuators also. There are two ways after that: custom actuators/custom pieces, or built actuators. I think string is "legal", it can be made also with Lego strings (but would be expensive), so it's 100% legal. The extension is 15 stud (can be a few studs more, but that would be in the "limit zone"). With longer construction it can be even 30 studs (more would cause deflection). I wanted to make it as small as possible, it's 3,8 studs wide, 3 tall. The length can be chosen freely (as long as you want - you just need longer liftarms, or more). The final version in my projects will have bley thin liftarms instead of these black ones, so it will be looking like a real cylinder from a distance. There is 4 paralell strings in this actuator, and at the beginning of the housing there is a little pulley to decrease friction ( http://www.brickshelf.com/gallery/mbmc137/Ideas-Technologies/Extrem-Cylinder/003.jpg ). Strings are very good for smart techniques, this actautor doesn't requires much additional space for motorizing, just make a gearing with a motor after the winch's axle. Of course, you can change the strength of the actuator with stronger/weaker strings. The one in the pictures can create about 100 N of pushing force. This is a bit more than a 10 kg vertical lifting. The backward movement is done by the gravity, but it's not impossible to modify it to pull back the inner part (you can add another string, like 8421's boom extension works). What do you think?