sheimend

5 ms·

1. 1.▲
   by sheimend 1y ago

   Sound is on for the tomato shot in the beginning of the video, FYI. It is extremely quiet.
2. 2.▲
   by sheimend 1y ago

   I'm still trying to get better and better data - it's tricky given the size and speed of the movement. But my working model is something like this. Cutting is made of of two phases: cut initiation, and cleaving. Cut initiation is
3. 3.▲
   by sheimend 1y ago

   If any home users cut on glass, they'll be rewarded with an unpleasant screeching sound. I can't say that was by design, but it's not undeserved ;-) The ultrasonic motion acts as an amplifier for physical sharpness. So, it&#x
4. 4.▲
   by sheimend 1y ago

   Hey there, Scott here. I'm driving the knife at actually only 10W. When in resonance, this produces a stroke amplitude of 10-20 microns (depending on the spot on the blade) which is large enough to have a measurable impact on the ease