Kickstarter and it’s rival indiegogo have many wonderful projects that need financial backing. During one of my usual browsing sessions where I look for things to buy projects to support, I came across these. Check this out. They’re looking to break the world speed record for a human powered watercraft. Their target is 37kph which is just under 20 knots.
[To see the build without all the planning, click here to jump there.] Back in the day, 18650 lithium ion batteries were all the rage, and still are. So I had some experience with sourcing these and looking for battery holders. Unfortunately, 18650 battery holders were not so easily available, especially in low quantities. I still have an unused aluminium