Dopey Shaft Anode Question

[claymore]

There isn't room on the shaft between the prop and the thingy where it goes inside to put a shaft anode on Claymore

There is a sacrificial anode elsewhere which is bonded and wired for sound. Is this sufficient protection from the dark forces of whatever it is that attacks boats? The shaft was new 7 years ago and looks fine in that it isn't pitted and doesn't have dark force teethmarks all over it.

 

[MoodySabre]

Used to have that problem with the ovoid shaped anodes. Found some that were like a collar about 2cm thick that fitted OK.

 

[Robin]

The pear shaped hull anode is fine as long as it can 'see' the prop, ie is not miles away from it and is electrically connected to the prop, usually via the engine block but with a bridge over any flexible coupling fitted in case it insulates the path. We have an exposed shaft but only use the hull anode although our Brunton prop has a small nosecone type anode on its hub as well.

 

[TigaWave]

You need one of these...a propeller nut anode!

a

 

[graham]

If theres no pink bits on your prop or crumbly edges (Im assuming its bronze) and the shaft itself is ok after 7 years I would leave well alone.

 

[FullCircle]

Phone John at zincsmart.com, I am sure he can help with a shape. Cheap too.
You may want to consider having a brush arrangement on the shaft, aft of the gearbox to transmit the propeller and shaft bonding to the anode.

 

[Aja]

[ QUOTE ]

There is a sacrificial anode elsewhere which is bonded and wired for sound.

[/ QUOTE ]

Why am I not surprised you know Cliff Richard songs?

Donald

 

[claymore]

Titsanfanny - we don' talk anymore

 

[Aja]

Still on for lunch - or at least a cup of tea on Saturday?

Donald