Yacht Propeller | Feathering Propeller| Folding Propeller | Yacht Equipment

The VARIPROP 2-Blade (DF 80 und DF 107)

The VARIPROP 2-blade (DF 80 and DF 107) is the standard propeller for smaller sailing yachts with an output of 6 – 40 kW. The 2-blade is ideal for such sailing yachts since it has very high efficiency under power, as well as very low drag, as it only has 2 blades.

The VARIPROP 2-blade's manoeuvrability is equally outstanding, since in reverse gear each blade self-adjusts to the optimum pitch.

The VARIPROP 2-blade is ideal for racing and cruising.

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The VARIPROP 3-Blade

s the original standard propeller for sailing vessels with an output of 6 – 100 kW. It delivers very smooth running, equally good stability especially at sea under power, and very low drag. Just like the VARIPROP 2-blade, the 3-blade has outstanding manoeuvrability, since in reverse each blade self-adjusts to the optimum pitch.

The VARIPROP 3-blade is the ideal propeller for cruising yachts.

In exceptional cases or higher loads and we recommend our VARIPROP "Blue Water" (4-blade).

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4-Blade-Power – the VARIPROP „Blue Water“

Especially in blue water conditions, excessive blade loading causes cavitational noises, bubbles on blades and resulting loss of power, just when you need it most in the trough.

The solution is the VARIPROP, to-date worlds most modern 4-blade feathering propeller, with 30% larger blade areas, less blade loading, much greater thrust and undiminished power.

For "problem Boats: Often it's not possible to fit the correct 3 blade propeller because:

1. Diameter of the propeller is restricted by the boat structure.
2. Engine power is too high for a 3 blade propeller of the diameter that will fit.
3. Shaft RPM is too high (low gear ratio).

If a 3 blade propeller (fixed, feathering or folding) is fitted, the result will be poor thrust, cavitation, noise, vibration, and low efficiency - because of excessively high blade loading. Simply increasing the pitch of a 3 bladed propeller will not solve these problems, but only makes things worse. So many owners have just given up. So they run at lower engine RPM and boat speed and are resigned to it. A lot of good boats have dismally inefficient propellers. Their owners haven't realized that there's something they can do about it.

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The VARIPROP XLS

Simply the finest automatic feathering propeller in the world.

• Independently adjustable external pitch control (patented). Forward and Reverse pitches can be changed in just seconds even underwater.
  
• Integrated shock absorber (patented) built into the VARIPROP hub
• German precision engineering, robustness and long life: All XLS-VARIPROP are sealed to avoid loss of grease from the housing during operation. This ensures long life of the mechanical parts andalso substantially extends service intervals.
• Gears are 35% - 50% larger and stronger than competing props for substantially improved service life.
• Comes fully assembled VARIPROP mounts on your shaft just like a solid propeller. No disassembly.

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