This is just a quick announcement that Kwartzlab Radio will be on a short hiatus until the new year. Darcy and I have a few topics ready to go, however if you have any suggestions on topics, interviews or anything else that you would like to hear on the show email us firstname.lastname@example.org
Thank you for listening and we look forward to coming back in the new year
Kwartzlab’s 4′ x 4′ CNC router is now working. This is now our biggest and most powerful machine. Thanks to Ravi for organizing the team who commissioned it, and to the rest of the volunteers who made it happen.
Unfortunately the succulent picture frame workshop has just passed but there is still the brass, copper & leather jewellery workshop instructed by Ryan Consell and the needle felting figurines workshop run by Agnes coming up.
email us at email@example.com and tell us what you would like to hear in future episodes.
Anyone who has baked in more than one oven knows that the number on the temperature dial often has little to do with reality. When you are baking –er, _harnessing temperature-specific biochemical reactions_ — an untried oven can be a nightmare. So it goes without saying, I need to test the calibration on the kwartzlab oven, before the bread baking begins.
Walkabot is a 3D printed, gravity powered, ramp walking robot. In technical terms this automaton is considered a passive dynamic walker. When placed on a shallow ramp the robot will walk down the slope. The robot makes a “walka-walka” sound as it walks.
The files to 3D print your own Walkabot can be downloaded here: Walkabot on Thingiverse
More about passive dynamics:
Passive dynamic walking robots are simple mechanical devices that can walk down a slope powered only by gravity and inertia. They do not require actuators or control systems, yet produce a steady walking gait with human-like motions. Because they do not require a power source they are described as passive and their movement is characterized by a dynamic stability. This means that they are not stable at any one point while in motion but are balanced in time so that the gait is steady and smooth. All bipedal walkers, including humans, must maintain dynamic stability in order to walk without falling over. The passive dynamic walker achieves stability through a steady rocking cycle. Although the term and its principles were developed by Tad McGeer at Simon Fraser University in the late 1980s, the concept is much older and dates back to toys invented in the 1930′s – see patent US2140275. These entertaining toys rely only on gravity and the natural swinging of their limbs to walk forward down a slope.