When i first built this marble pump i milled it out of a solid block of maple using my slot mortiser.
Building the marble pump.
The pump is always the thing that looks like magic because the pump itself occupies a very small space.
How the marble pump works the marble pump is the heart of the lego marble machine as well as the wooden marble machine 1.
It is also less likely to jam then a previous model i built update added a picture of the pump installed in the dragon marble reservoir.
In order to guide the pieces and the marbles most of the movement and working is hidden from view.
How to build the marble pump this is a free 24 minute video to help you build the marble pump part of my modular marble machine plans.
May 22 2016 http woodgears ca marbles plans building the marble pump which is at the heart of the modular marble machine.
But i wanted to make a set of plans available for this marble block set so i needed to find a way to build it using more commonly available machines.
The reason i like this pump design is because it doesn t let the marbles clack together when there are no marbles in the feeder.