GBC 25 Sweeper – 42049 Building Instructions

(2 customer reviews)

€14.95


Difficulty level: Easy - Medium - Hard

Detailed building instructions of the GBC 25 Sweeper made from parts of the existing LEGO 42049 Mine Loader set.

Including:
– Full HD PDF building instructions (Preview)
– Explanation & understanding of mechanisms
– Fine tuning tips & tricks
– Premium support 💎

Not Including:
– The required LEGO set 42049. Available at    Amazon.com   &   ebay.com   &   LEGO.com   & Bricklink
– GBC Balls  →  Choose color
– (Optional) Technic Motor for LEGO  →  Learn more or Add to cart

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It has never been easier to build a complete Great Ball Contraption (GBC) loop yourself! GBC 25 features a mesmerizing module which covers a full loop so the ball flow never ends. Using a more accessible LEGO Set and focusing on one single mechanism this GBC is by far the best GBC to get started.

This GBC is entirely built using only parts from the LEGO Mine Loader and can be referred to as model C of the 42049. This GBC makes sure you master the GBC building techniques and tricks so that you eventually also can build your own GBCs. By default the whole machine is powered by hand but it can easily be upgraded with any LEGO motor (more information in the building instructions).

 

 

Master Timing & become a true engineer!

 

 

Learn about the wonderful world of mechanisms by building our GBC 25 Sweeper which features a highly efficient, perfectly synchronized ball Push Module. Based on agricultural machinery we have created this GBC Sweeper. Because the whole GBC is on wheels you can hook it up to you LEGO tractor or truck and drive it around.

Balls have to be inserted in the bottom input of the module. The module then picks the balls one by one and guiding them to the next stage. 4 perfectly synchronized push arms work flawlessly together to accomplish getting a GBC ball to the top in one fluent movement. The balls will be pushed out of the rail and return to the base via the return path. By doing so the loop will never end.
This GBC has an extra feature which allows you to easily remove the return path and put your GBC 25 in a bigger loop and combine with other GBC Modules.

 

Fun Fact


Designing a GBC from such small part inventory really took all the ingenuity and experience we gathered over the years. Parts are being used in a new way and many problems had to be solved for getting this GBC to work and making it sturdy and reliable. Using over 97% of the parts that come with the set we really did get the best and most out of the original LEGO 42049 set. There was a real challenge to build a GBC from such a small set but we succeeded again.

 


Building Instructions Preview

Preview


Try before you buy. We completely understand. See the building instructions previews on the left or try one of our free building instructions.






Upgrade your GBC 25 Sweeper


To enhance the fun and play and to take the GBC 25 Sweeper one step further we have optional parts available.
In the building instructions is explained how to easily upgrade the GBC 25 Sweeper with various parts.




Power & Automate

Unfortunately LEGO set 42049 doesn’t include a LEGO motor. For that reason, the GBC 25 Sweeper is by default powered by hand. However we designed pre-designed motor mounts so you can easily upgrade the GBC 25 Sweeper with any of the LEGO Motors available and make it go on it’s own.
How cool is that!

   Learn more!







Get the accessories

In need of GBC Balls or you want to get rid of batteries? Don't look further.
We have GBC Balls, handy electronics products and fun accessories available. Take a look at all our accessories!

Get the accessories



The GBC 25 Sweeper all over the world

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2 reviews for GBC 25 Sweeper – 42049 Building Instructions

  1. tim –

    Bought this as my first one to try out. Works great! See the full review on Eurobricks (https://www.eurobricks.com/forum/index.php?/forums/topic/170165-review-gbc-25-sweeper-42049-c-model-by-pv-productions/)

  2. Violet111 –

    got the 20 gbc module too. very different but i like both

Add a review

If you don't have the required LEGO set there is still a chance you can build our models by using parts you already have. Most technic models use a lot of the same and/or replaceable parts. When watching the video and checking upon the building instructions you can easily see which parts can be replaced if you desire so.
What cool color designs can you come up with?!









v1 23-02-2018: Launch

v2 07-03-2018: Added additional information for the ball return path, motor upgrade and different use modes. See page 6 till 8.

v3 24-06-2018: Update building instructions to new standard. Fix step order issue on page 31.

















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