Description
A set of shims in different angles (-1, +1, +2) to change the riding experience and help keep the board level while foiling. Replacing the shims changes the downforce of the rear stabilizer and also affects the eFoil balance point and response.
Shimming with negative degrees makes the foils more stable but this also means the rider has to shift weight more to the front of the board when changing speed and has to stand more forward when riding fast.
Shimming with positive degrees reduces the lift of the foil and therefore the foot position on the board is more central or even above the foil. In general, the maneuverability will get more agile.
Aerofoils standard setup with the Freeride 1350 wing and stabilizer 400 is very stable. After the first learning and settling in phase they recommend considering +1° or +2° shim to move foot position further back to have more agility and accelerate and decelerate easily.
The -1° shim is intended to be used with the smaller wing set (Freecarve 1000+380 or Freerace 900+300) for riders that want a bit more stability. Experienced riders may even want to have less stability and use positive shims there as well.
| Wing, Riding Situation | Recommended Shim | Shim Effect |
|---|---|---|
| Beginner, low speeds | -1° | Earlier lift, stable flight behaviour |
| All-round, mixed conditions | No shim or +1° | Balanced feel, comfortable stance |
| Freeride, medium to high speed | +1° | Good balance of speed and control |
| Freerace, maximum top speed | +2° | Minimum drag, maximum efficiency |
| Waves, choppy water | -1° | More stability, more forgiving behaviour |
The article eFoil Stabilizer Angle of Attack explains how the stabiliser angle affects how the eFoil rides.
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