In our marina there are 250 berths. 10 or so of which are for narrowboats the rest are cruisers of varying sizes.
That doesn't count the 150 odd houses with their own moorings, 95% of which are occupied by cruisers.
The bodyshop where Liam works are finding this. They lost a good panel beater earlier this year and have just not been able to find a suitable replacement who has the right skills and quality of work.
You don't want and can't have muppets working on expensive cars.
So why the lack of knowledge of material properties?
ETA: My OH, Liam, is a panel beater of 24 years. He has to have a knowledge of material properties and how they will behave to do his job properly. But he is a "real" panel beater not a strip and fitter
There is a very heavy bias towards narrowboats and canals only in all of their statements.
Doesn't represent me, or a large swathe of boat owners on CRT waters, in the slightest.
The anodes are a more noble alloy than the drive.
ETA: The benefit is that they protect the drive and last us longer then the magnesium anodes. As we spend 4-6 weeks in salt water each year the magnesium anodes needed changing every 6 months. Zincs wouldn't protect the drive in fresh water.
The aluminium anodes protect the drive in fresh, brackish and salt water and last us a couple of years before they need changing. And as an added bonus they are slightly cheaper then the magnesium and zinc anodes although this isn't a major concern so long as they are doing their job which they clearly are as we stripped the drive back to bare metal last year and there were no signs of corrosion.
Yes. They are aluminium.
Magnesium don't last us a season as we spend some of the year in salt water. Zinc don't protect in fresh water so we have switched to aluminium.
http://www.solentanodes.co.uk/collections/aluminium-volvo-anodes
http://www.solentanodes.co.uk/pages/zinc-aluminium-or-magnesium-anode
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