Tried and testedPractical slot nut placeholders for foil mounting

Manuel Vogel

 · 24.11.2023

The placeholders always keep the sliding blocks at the right distance
These practical placeholders for the sliding blocks can make foil assembly easier. We'll show you how they work and what other advantages they have.

On foilboards with double rails, screwing the screws into the sliding blocks is sometimes an annoying and time-consuming fiddly job. This is especially true if the foil mast does not allow the screws to be simply inserted from the side, but instead they have to be inserted from above and screwed into the slot nuts, which are then concealed. This is where the slot nut placeholders from inventor Ekkehard Wurl come in.

Foil assembly, made easy

The brightly coloured parts from the 3D printer are flexible, the sliding blocks are clamped into the gaps provided and inserted together with the placeholder. In this way, the usual screw spacing of 165 millimetres for foils is preset. If you now put the foil mast in place and screw in a screw at the front, the rear hole will automatically be hit later without any fiddling.

If it fits at the front, it will automatically fit at the back tooIf it fits at the front, it will automatically fit at the back too

And the parts have another advantage: If you forget the sliding blocks in the board, you won't lose them. This applies at least to boards where the opening for the sliding blocks is in the centre of the box. If the sliding blocks are inserted at the beginning or end of the box, losing them is unlikely but theoretically possible, so you should prevent this by turning the screws in slightly.

In our eyes, the placeholders are a good way to make life easier when assembling foils. They are available directly from the inventor Ekkehard Wurl for a fair €15. If someone uses foils with a different hole spacing, the placeholders are also available with 160 and 175 millimetre spacing HERE or by mail at ew@wurl.de to order.


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Manuel Vogel

Manuel Vogel

Editor surf

Manuel Vogel, born in 1981, lives in Kiel and learned to windsurf at the age of six at his father's surf school. In 1997, he completed his training as a windsurfing instructor and worked for over 15 years as a windsurfing instructor in various centers, at Kiel University sports and in the coaching team of the “Young Guns” freestyle camps. He has been part of the surf test team since 2003. After completing his teaching degree in 2013, he followed his heart and started as editor of surf magazine for the test and riding technique sections. Since 2021, he has also been active in wingfoiling - mainly at his home spots on the Baltic Sea or in the waves of Denmark.

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