Questions tagged [gbc]
Questions related to Great Ball Contraption, a ball transporting machine seen at a lot of LEGO events.
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How do you make a triggered counted ball drop?
Is there any solution on making a drop of a counted number of balls when one ball passes through the system?
For example: One ball falls into a hole on the top and ten balls (plus/minus (not ...
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How to run "Power Functions" devices from an electric wall plug?
In this video showing an example of Great Ball Contraption (GBC), we can see (at 1:35) that some trains powers are used to run Power Functions motors:
That must be more convenient than having to ...
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Is there a true ball/sphere LEGO piece (or pieces that together form a ball/sphere)?
I recently started experimenting with GBC machines build out of LEGO.
Ball bearings are ideal as balls (have a lot of momentum due to their weight), but are also impacting on the LEGO bricks hard ...
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Mechanical auto-unblocking mechanism
I have a GBC module1 which is quite simple but blocks regularly because a ball happens to be at just the wrong place at the wrong moment.
Per se, it's not a problem as a Technic Gear 24 Tooth Clutch ...
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Continuous power supply for the SPIKE Prime or Robot Inventor hubs?
The hubs present in the Mindstorms Robot Inventor or SPIKE Prime sets have 2100mAh lithium-ion batteries which can be charged with the accompanied cable with a micro USB connector on one end and a ...
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Any cheap Technic sets with a good variety of parts?
I want to start building a module like GBC Miniloop 01, but when I check the part list some are very hard to find. How should I get started with miniloops?
BTW, I got a very big set, Bucket Wheel ...
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How can I get a Powered Up motor to run without using a hub?
I'm mainly taking part in LEGO events as part of a Great Ball Contraption exhibit.
Most of the modules I make, and that's true for a lot of other builders, are purely mechanical in nature and driven ...
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Mounting 'shelves' on a 57518 Lego conveyor belt
For a school project I'm trying to build a conveyor belt out of LEGO. I'm currently just working on the design so I haven't ordered anything yet. I think that for my build the 57518 pieces are perfect....
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Any build instructions for vertical Technic/Lego conveyor belts?
I'm trying to figure out how to continuously lift a stream of incoming pieces up vertically, at least 10cm. This is my first real custom build attempt, so I'm very much at a loss on how to go about it....
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