Posts in D.I.Y. Instructions

Improving the wind range of your sail by profiling the battens

I made a little video on how to improve the windrange of most wave sails. For example the older Witchcraft sails up to 2026 but it will work even better on sails of other brands that are cut flat. This is done by giving the middle 2 or 3 battens a bit more taper by […]

New Rigging Manual Video

We have made a new Rigging Manual on how to rig the Karma and Slayer. https://witchcraft.nu/sails/rigging-manual/

How to make a carbon boom go shorter.

This instruction is about how to make a carbon boom go shorter than original without reducing the maximum lenght. In this case a Pro Limit Team Carbon 140-190, 24.5mm, made by Aeron. With some booms, the end will slide in deeper but there are no more holes. So by adding holes, this boom can go […]