Available in 2, 3, 4 blade versions
Max Prop® Antishock
Available for any saildrive
The Max Prop® Antishock is an Easy model feathering propeller equipped with a patented elastic device made of special steel that allows a damping angle of over 25 degrees. Therefore, the Max Prop® Antishock is unique in providing a genuine shock-absorbing effect.
The function of an anti-shock system is to dissipate the change in kinetic energy generated during an impact (such as when engaging gears or in an accidental collision). We can define "damping travel" as the available distance between the start of the impact and the final stop. The greater the damping travel (in this case, angle), the greater the anti-shock effect. Virtually all anti-shock systems currently on the market rely on simple hard rubber or plastic spacers inserted into the propeller, allowing a damping angle averaging no more than 1 to 2 degrees.
- Meticulous design in every detail to create a safe, compact, and lightweight propeller.
- Low Drag Propeller: Minimal resistance while sailing. The blades rotate mechanically while maintaining the same thrust profile and maximum efficiency in both forward and reverse, with minimal lateral displacement of the vessel.
- Delivered ready to be installed on the propeller shaft (already assembled, greased, and with pitch values preset).
- Extremely easy to install, even with the boat in the water.
- Forward pitch and reverse pitch are independent of each other.
- Allows fine and precise pitch adjustments in 0.5-degree increments. Adjustment is very simple and can also be carried out in the water.
- Unlimited reliability and durability. Requires no maintenance over the years beyond periodic greasing and replacing the zinc anode.
- In case of engine modification/re-powering, the Max Prop® Antishock model allows reversing the rotation direction without having to replace the propeller.
- Easy to remove from the propeller shaft, even after years of use.
Max Prop ® propellers
Ready-to-Use Propeller
Max Prop® propellers are delivered fully assembled, greased, and with pitch values preset, ready to be used.
Installation on the propeller shaft is much safer and faster compared to fixed-blade propellers, requiring only a couple of minutes and capable of being performed by anyone, even directly in the water.
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Frequently Asked Questions
Maintenance is minimal: it is limited to a simple grease top-up and replacing the sacrificial zinc anode, with no need to replace other components even after many years of use.
Standard catalog tapers are 1:10, 1:12, and 1:16.
Should you require a different taper for specific needs, Max Prop is at your complete disposal to evaluate feasibility and manufacture custom orders.
The key elements that define a propeller's performance are pitch and diameter. Compared to these, all other characteristics play a secondary role.
Between pitch and diameter, pitch is the most crucial element in determining performance:
- Modifying the diameter (even significantly) has a relatively minor impact on overall performance.
- Conversely, even a small variation in pitch—for the same diameter—produces quite noticeable effects.
The number of blades also plays a secondary role compared to diameter and pitch. The two main (albeit modest) influences of blade count are:
- Noise reduction: Under specific sailing conditions, a propeller with a higher number of blades (preferably an odd number) is generally quieter than the same propeller with fewer blades.
- Theoretical optimal diameter: Relative to an optimal three-blade propeller, the optimal diameter varies as follows:
Two-blade propeller: 3% larger diameter
Four-blade propeller: 2.5% smaller diameter
Five-blade propeller: 4% smaller diameter
To make a realistic comparison between different propellers, you must evaluate one specific requirement at a time. Every boat owner has different priorities—such as maximum cruising range (lowest fuel consumption per mile), top speed, maximum maneuvering efficiency, or overall cruising comfort.
To best meet each specific goal, a tailored pitch is required—making it essential to have a propeller that allows you to adjust the pitch.
The Max Prop team is available to offer tailored advice for your specific needs.
Whether you wish to dive into technical details and performance calculations or prefer a ready-to-use solution, we guarantee highly qualified assistance focused on your actual requirements.
Payments: Processed via the safest, most secure payment networks.
Shipping: Handled by certified, well-established express couriers. Every shipment is trackable 24/7, allowing customers to check their package location at any time.
Global reach: We ship worldwide. Depending on the destination country, customs clearance services may be included.
Insurance: Optional shipping insurance is available upon request.
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