Henleys Propellers and Marine produces performace marine propellers, boat propellers. The range include tiger propeller, black tip, barracuda design.

 

Photos of Galvanic Reaction and Impact Damage
The following are sample photos of galvanic reactions/electrolysis. This could have been easily avoided with proper maintenance of the anode system.

corroded propeller

electrolysis on blade

electrolysis and corrosion on prop


A Customs Vessel propeller wherein her zinc anodes fell off the shaft which resulted in galvanic reaction.


A commercial vessel that has been incorrectly bonded.

electrolysis all over the propeller blade

Electrolysis all over the propeller blade...

propeller galvanic reaction

Vern Linkhorn a marine corrosion specialist shares his ideas about preventing electrolysis. You can read his article by following this link.

To see additional photos of propeller cavitation and impact damage please follow this link. and for a high profile boat wherein its anode has been eaten away, please follow this link.

  Also shown below are photos of impact damages with underwater structures:

Prop tip damage

Prop blade broken at its root

Strut cast damage on impact

Strut cast damage on impact

blade damage

blade damage

single blade bent

single blade bent

One propeller blade not damaged

Three propeller blades were damaged....

One propeller blade thorn due to impact...

For additional photos of marine propeller damage please follow this link .

 

© Henleys Propellers and Marine Ltd - 110 Sunnybrae Road, Glenfield, Auckland, New Zealand

Phone: +64 9 443 5886 Fax: +64 9 443 5892