8 votes
Accepted

Difference between Linear Actuator vs. Linear Actuator Mini

The biggest difference I can think of that would impact my choice would be that the standard linear actuator is much more sturdy. The standard linear actuator has a metal pole and is very rigid. The ...
Alexander O'Mara's user avatar
7 votes

Difference between Linear Actuator vs. Linear Actuator Mini

The large linear actuator extends 5 studs (from 11 retracted to 16 fully extended) The small one extends 3 studs (from 7 retracted to 10 fully extended) That's a large functional difference.
Michael Verschaeve's user avatar
7 votes
Accepted

Harley Davidson chain belt running jolty

Okay, it seems I indeed made a mistake during building, which I solved afterwards: When assembling the rear mudguard, I noticed that the rear wheel had quite a bit more variability in its sideways ...
Rauy's user avatar
  • 1,297
6 votes

How do you make a triggered counted ball drop?

I've seen this done in a GBC module that counts the balls that pass by. It worked with scales that eventually tipped over, each scale representing a decimal of the total number of balls that passed by....
Michael Verschaeve's user avatar
6 votes

High Torque Subtractors

It sounds like you need a stronger differential. Might I suggest this design by Nazgarot: If you make two, you can build a big and sturdy subtractor like this (probably customizing the gear ratios ...
Alexander O'Mara's user avatar
4 votes

How much tension can I expect to get out of a LEGO chains before it starts to give way?

TL;DR (or Executive Summary, if you like): Between 620 and 1420 grams of mass (6.2 - 14.2 Newtons of force), depending on the pieces and their age. Long version So I decided to give this a shot and ...
zovits's user avatar
  • 15.7k
4 votes

Vertical motion for a power burst bar

I've created an initial prototype. I found the "axle with stud 1 x 5" pieces allow me to cross from an axle to a bar type piece such as a fountain.
Monte Gardner's user avatar
4 votes
Accepted

Vertical motion for a power burst bar

I have an idea which was actually from JKbrickworks. Here is the MOC that uses it and here is another MOC of his that uses it. Here it is step-by-step: First, we have a plain old technic brick. Now ...
mindstormsboi's user avatar
2 votes

How do you make a triggered counted ball drop?

I don't know if this is practical, and I can't test it as I don't have enough compatible balls to build GBC type mechanisms, but what comes to mind is: Have the balls run down a trough. The trough ...
Kevin Reid's user avatar
1 vote

Is it possible to build a decimal to binary converter (binary counter) with LEGO?

Yes, of course, you can As jncraton mentioned in a comment: The answer to whether this is possible is definitely "yes". NAND gates can be built, and the required logic can be implemented using ...
chicks's user avatar
  • 5,235

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