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When and what for are hydrofoils required?

In this article we will try to explain how to use hydrofoils and look closely into pros and cons of this product.

First of all, let’s see what types of hydrofoils exist:

- Single-piece (mono) hydrofoil - construction features allow this type of hydrofoil to be installed on outboard engines of normal and high power.

- Standard hydrofoil – it consists of two parts and designed for outboard engines of small to normal power.

Advantages of using hydrofoil:

  • Quicker transition onto plane. According to test drives, transition to gliding mode takes 15-20% less time if hydrofoil is installed.
  • Thanks to extension of anti-cavitation plate size, your boat will yaw much less than it used to.
  • After installing hydrofoil,  head of the vessel does not go up too much (cobra effect) which is really important when you increase the pace rapidly.
  • Hydrofoils enhance comfort during moving.
  • There is no air penetrating.
  • Decrease in fuel consumption at the cruising speed.


  • Maximum speed is decreased.
  • More time is required to clean the propeller. When driving in shallow water aquatic vegetation clogs up the propeller, but hydrofoil makes it harder to reach and the propeller.

If you install hydrofoil on low-power engine, most likely you will not feel any improvements. To get positive effect from hydrofoil you should consult with our tech specialists who will advise which one is better for your outboard engine and boat.