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Author Topic: Sacrificial Anodes  (Read 3120 times)

ukmike

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Sacrificial Anodes
« on: June 16, 2012, 02:44:16 pm »

Hi.

I'm sure I have come across these whilst trolling through the model boat accessory sites.

Alas, I can't for the life of me remember where.

Anyone know ?

Mike.
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ixion

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Re: Sacrificial Anodes
« Reply #1 on: June 16, 2012, 02:55:35 pm »

I get them from Germany, different types and scales

http://shop.modellbau-kaufhaus.de/modules.php?warp=categories&group=37
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Bryan Young

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Re: Sacrificial Anodes
« Reply #2 on: June 16, 2012, 10:29:57 pm »

Forgive me if I seem to be a bit mentally "thick" here, but why does anyone actually need sacrifitional anodes on a model ...unless it's a tin-plate hull. If they are for purely cosmetic purposes then anyone with a file and a paintbrush could make one in a few minutes. No expenses. BY.
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Notes from a simple seaman

malcolmfrary

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Re: Sacrificial Anodes
« Reply #3 on: June 17, 2012, 01:42:06 am »

Good link, but they don't seem to do partially corroded ones (for weathered models)
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Norseman

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Re: Sacrificial Anodes
« Reply #4 on: June 17, 2012, 02:06:47 am »

I'd have to go with Bryan on the anodes - only cosmetic so why not make them Mike? A nice little detail to come up with though.

Just for interest  it was Sir Humphry Davy who invented them in 1824 to reduce electrolytic action on ships hulls and underwater equipment, it's a cathodic protection circuit.

Dave
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irishcarguy

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Re: Sacrificial Anodes
« Reply #5 on: June 17, 2012, 09:07:52 am »

I am with Brian , make your own. They(the real ones) are fitted to new cars between body panels, the German companies certainly use them. You can buy replacements when doing body repair if you want to do the repairs properly. Mick B.
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Mick B.

ukmike

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Re: Sacrificial Anodes
« Reply #6 on: June 17, 2012, 09:38:58 am »

Some of the replies are truly inspirational, it never entered my head to make my own !!!!

If a manufacturer has set up to make these things then I would prefer to buy them from him, buying stuff from what are usually relatively small businesses is how they keep going.

The, "Why would anyone want sacrificial anodes on a model", doesn't even merit an answer.


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RAAArtyGunner

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Re: Sacrificial Anodes
« Reply #7 on: June 17, 2012, 10:44:47 am »


The, "Why would anyone want sacrificial anodes on a model", doesn't even merit an answer.



Why not, I am sure there are others as well as I who are waiting enlightenment <*< >>:-( after all, are we talking model boats and if so, why an actual sacrificial anode, was the question O0 O0



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John W E

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Re: Sacrificial Anodes
« Reply #8 on: June 17, 2012, 11:41:28 am »

Hi there

I think anyone with a half ounce of brain would realise that Sacrificial Anodes at our scales of model would be very little use, if none at all.   I think the gent who is asking the question really requires them for 'cosmetic value' to enhance the look/realism of his model.   If not, and he does want 'real' ones I am going to look pretty thick :-) but I dint think they would work pretty affectively.    

On the off chance that he is after cosmetic ones, they are fairly easy to make yourself.  The way I have made small stuff like this in the past, is to make a small box up out of scrap wood and get meself some plasticine (not the playdough stuff)/similar modelling compound.   Make your box up, as in photograph, roll the plasticine in then make yourself a one off of the item you wish to cast.   Press this several times into the plasticine to make moulds - you could smear the moulds with Vaseline/petroleum gelly as its sometimes called, as a release agent - then with either the car body filler mix/or a casting resin - fill up the moulds.   When they have hardened remove from moulds and hey presto one has items :-) clean off, paint to represent Anode, and stick to hull.

aye
john

Obviously, if you can find the address of the manufacturer and they are reasonably priced - i.e. to buy 50 would cost less than a tine of P38 car body filler/modelling material - you have to go that way!

why aye man
john
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