ID
1346231
$ 13,405.56
1-2 weeks delivery time
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The Max-Prop Boomerang 111 / 4 Blade 20" Spinner 111mm automatically shifts blades at idle or off, offering smooth operation, low drag, up to 80% more reverse power, and simple bolt-on installation.
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Max Prop Boomerang 111 / 4 Blade 20" Spinner 111mm
Advanced Shaft Position Propeller
The Max-Prop Boomerang is a modern shaft-position propeller that automatically moves into the shaft position as soon as torque is removed from the propeller shaft. This function is essential for sailboats with hydraulic transmissions, where the shaft has almost no resistance when the engine is not running.
Unique Patented Technology
Max-Prop engineers developed a patented radial spring package integrated into the Boomerang body. This spring system automatically pushes the blades into the default vane position when the engine is idling or switched off, independent of shaft rotation or boat speed.
Key Features
- Automatic vane position thanks to the integrated spring package
- High efficiency with smooth operation using the anti-shock principle
- Excellent braking power with up to 80% more reverse power than fixed blades
- Low drag design for increased speed under sail
- Easy bolt-on installation without complex adjustments
- External pitch adjustment without disassembly
- Wide range of applications for shafts from ø35mm to 100mm and ø1 ¼” to 3 ½”
- Stable ground clearance at high speeds and in turbulent flows
Technical Data
Material Nikkel Aluminium Bronze (Ni.Al.Br.) Number Of Blades 4 Series Boomerang Pitch 20" Sales Unit 1 Piece
Brand: Max Prop (Article code: 784411120) (Barcode: 8720193063997)
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