Builders' BlogShare & Learn

Christian

Christian

🌱Early Adopter

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Hi, I'm Christian and I built this site. Initially from 🇦🇹 but currently living in 🇨🇭. I love windsurfing, kitesurfing and everything that flies without a motor. My background is particle physics but I took a sharp turn after my postdoc and do mainly software for a living now ¯\_(ツ)_/¯

Member since January 6, 2026

Recent Builds

Fixing a Mavic Ksyrium Pro Disc Freehub

Fixing a Mavic Ksyrium Pro Disc Freehub

Mavic build generally builds great wheels but some of their freehubs are badly designed. The issue in my case was part number 6/7 of the Mavic Ksyrium...

Hydrofoil Profile Selection

Some simulation scripts to find the ideal hydrofoil profileI wrote this collection of scripts sometime in 2022 to get an educated guess about the idea...

CNC with DIY 24h Monitoring System Part 2/2

CNC with DIY 24h Monitoring System Part 2/2

It's close to impossible to constantly supervise your CNC-machine on jobs stretching multiple hours. An additional issue for me is that the CNC is in ...

CNC with DIY 24h Monitoring System Part 1/2

CNC with DIY 24h Monitoring System Part 1/2

Everyone who builds boards, hydrofoils, model airplanes - you name it - eventually dreams of having their own CNC machine. Something that turns a 3D m...

Custom M6-Threaded Footstrap Inserts

Custom M6-Threaded Footstrap Inserts

Brands like Flikka have awesome stainless steel inserts with M6 threads. I wanted something similar for my custom windsurf board and this was the appr...

Carbon Skate - Lightweight and tough home-made foil pumping board

Carbon Skate - Lightweight and tough home-made foil pumping board

The biggest issue of my previous build, the Balsa Skate, was that it did not have a rocker. This resulted in two problems:it felt like pumping needed ...

Axis Wing Set - Copying Hydrofoils

Axis Wing Set - Copying Hydrofoils

After dozens of severe impacts it was about time to replace my old home-made 1150 Axis front wing and my 460 back wing with a new pair.I've decided to...

V-Tail for Pumping - Rapid Prototyping

V-Tail for Pumping - Rapid Prototyping

This v-shaped stabi has been in my head for quite a while already: 240 mm span, 82 sqcm area, GOE599 profile at -2deg AOA.It feels similar to pumping ...

Copying a Hydrofoil - Sabfoil Balz Pro 799

Copying a Hydrofoil - Sabfoil Balz Pro 799

Fresh out of the mold 🥰Works just like the original but is 100g lighter.Self-made super stiff EPS core with 4 layers on each side:275 g/m² carbon top-...

Armstrong Fuselage A+System Upgrade

Armstrong Fuselage A+System Upgrade

The latest Armstrong A+System promises a better rigidity between mast-fuselage and fuselage-front wing. For large wings upgrading my old fuselage to t...

Balsa Skate - A Wooden Pumping Dream

Balsa Skate - A Wooden Pumping Dream

After seeing a friend's Balsa surfboard I was immediately hooked and had to build my own for pumping. The first sketch outlined a small and flat (no r...

Steel Inserts for Moses Mast

Steel Inserts for Moses Mast

Many Moses foil owners I have talked to have had problems with ripping out the thread of the brass inserts of their deep tuttle masts. Both of my inse...

Deep Tuttle to Plate Adapter - 675 g of Carbon, Glass and Epoxy

Deep Tuttle to Plate Adapter - 675 g of Carbon, Glass and Epoxy

To use a board with a rail system or the foiling power plate with a deep tuttle head foil mast an adapter is needed. Most manufacturers sell them as a...

Windsurf Board Repair (JP Magic Ride)

Windsurf Board Repair (JP Magic Ride)

I damaged the nose of my JP Magic Ride 118 in one of the famous catapults. The damage didn't look that bad at first but the board's surface felt soft ...

Making a windsurf board foil-ready (JP Magic Ride 116)

Making a windsurf board foil-ready (JP Magic Ride 116)

Converting a freeride board, in this case a JP Magic Ride 118 into a foil-ready version can be done by anyone with a little bit of patience. Freestyle...

Fanatic Aero Fuselage Shortening

Fanatic Aero Fuselage Shortening

If your pumping setup feels very stubborn and is hard to pump chances are that your fuselage is too long.Adding a second position to most older alumin...

Fanatic Skate 101 Foil Edition

Fanatic Skate 101 Foil Edition

In this post I show you how I made my Fanatic Skate 101 foil-ready. Almost all windsurfing and racing foils come with a deep tuttle head. So the first...

Custom Back Wing

Custom Back Wing

Using test foils from Armstrong we learned that a small back wing increases the 'pumpability' noticeably. To this point I always had the custom 365 cm...

Foiling Power Plate - Similar to CHINOOK PowerPlate

Foiling Power Plate - Similar to CHINOOK PowerPlate

When I started hydrofoiling I did not have a proper board that could hold the Deep Tuttle mount of my newly acquired Moses (Kit 85) foil. After severa...

Hydrofoil Design using Free Software

Hydrofoil Design using Free Software

I have recently started a quest to find the best free software for generating complex shapes like hydrofoils. Having a good level of experience in CAT...