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Columbian Hydrosonic Bronze Propeller 22" RH
-40%
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Columbian Hydrosonic 3 Blade Bronze Propeller - 22" RH 18 1.75" 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 : 22 lbs
- Hub Dia Fwd : 2 3/4
- Hub Dia Aft : 2 3/4
- Hub Length : 4 1/4"
- Bore size : 1 3/4" SAE
- Diameter : 22"
- Pitch options : 17, 18, 19
- Rotation : Right 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.
