ID
1346250
$ 14,895.73
1-2 weeks delivery time
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The Max-Prop Boomerang 111 / 5 Blade 21" Spinner 111mm aligns into shaft position automatically when engine torque stops, minimizing drag and improving sailing performance. The radial spring system ensures blades stay in vane position at idle or off, providing up to 80% more reverse thrust, smooth anti-shock operation, simple mounting, and compatibility with shafts ø35–100mm.
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Max Prop Boomerang 111 / 5 Blade 21" Spinner 111mm
High-Efficiency Propeller For Modern Sailboats
The Max-Prop Boomerang automatically aligns into the shaft position when engine torque stops. This ensures minimal drag and improved sailing performance for yachts equipped with hydraulic gearboxes.
Patented Radial Spring System
The integrated radial spring package forces the blades into vane position when the engine is idling or switched off. This mechanism works independently of axis rotation and vessel speed.
Key Features
- Automatic blade positioning for reduced resistance
- Optimal power transmission with anti-shock technology
- Up to 80% more reverse thrust compared to fixed propellers
- Low drag profile for higher speed under sail
- Simple bolt-on mounting
- Externally adjustable pitch
- Suitable for shafts from ø35mm to 100mm and ø1 ¼” to 3 ½”
- Reliable operation in turbulent water conditions
Technical Data
Material Nikkel Aluminium Bronze (Ni.Al.Br.) Number Of Blades 5 Series Boomerang Pitch 21" Sales Unit 1 Piece
Brand: Max Prop (Article code: 785511121) (Barcode: 8720193064062)
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