The Windsurf Loop

After following a thread about a cool DIY GPS on Seabreeze for a while, I ended up building a few of these ESP 32, e-ink, u-blox M8-based G...

 Yesterday, a few videos came out that showed fully windfoil tacks that were fully foiled through - here is one of them:  Sure, Balz Müller ...

 We've back from our winter escape from Texas, so it's time for a summary. The first thing that comes to mind is that is was cold . ...

This is the first of several posts where I look at the accuracy of speed measurements and the sources of errors in detail. To get started, l...