Zed's Technical Writings

I've just signed up a Youtube account (ZDP189HK) to share videos. I'm not competing with Jörg; I'll just post maker tutorials and technical videos there.

Here are three videos to kick off. They were shot in high speed motion capture to illustrate and measure slingshot action and...

We've philosophised a lot about this the morals of this topic in the knife-making community. Just like slingshots, it's a basic technology and most designs have been made similarly by someone at some time in the past and similarly, people are trying to make a a recognisable product and to make some income from it.

There's a whole spectrum...

Hi and welcome. I have decided to create a blog to enter my thoughts about the sport and link to things I have made so that the forum doesn't fill up with the overflow of my hyperactive mind.