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Columbian Hydrosonic Bronze Propeller 25" LH
New
-50%
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Columbian Hydrosonic 3 Blade Bronze Propeller - 25" LH 15 2.00" SAE Bore
The Columbian Hydro Sonic Series is a high-efficiency
inboard propeller design intended to reduce noise, vibration, and cavitation
while improving thrust and smoothness. These props are most commonly found on
displacement and semi-displacement vessels, commercial boats, workboats,
trawlers, and older motor yachts and cruisers.
Used Propeller ~ Refinished and Balanced, ready to install
This propeller is similar to the Michigan MP Propeller
Series
Propeller Dimensions:
- Weight : 37 lbs
- Hub Dia Fwd : 3 1/4
- Hub Dia Aft : 3 1/4
- Hub Length : 5"
- Bore size : 2" SAE
- Diameter : 25"
- Pitch options : 15,16
- Rotation : Left Hand
- Manganese Bronze Alloy
- EAR: 0.50
Key characteristics:
- Moderate blade skew
- Helps reduce pressure pulses and vibration transmitted into
the hull.
- Refined blade sections
- Designed to delay cavitation and improve efficiency at lower
shaft speeds.
- Thicker, robust blades
- Built for durability rather than high-RPM speed
applications.
- Usually 3- or 4-blade configurations
- Cast in manganese bronze or NiBral depending on vintage and application.
