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Thread: Galvanising

  1. #11
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    Galvanising

    Couple more shots of trial fitting the cappings to check I got the sizing right when fabricating the tub. Should also mention that I have some items being posted from a friend in the UK that includes rivets and domed head roves (if that's what they are called). Should assist with a respectable look.
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  2. #12
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    Galvanising

    The other thought I had was distortion from the Galvanising process. The fella I spoke to mentioned the welds need to be sound otherwise the heat of a 450 degree bath will separate joined metal(I don't see this as an issue) Though door frames would need to emerge free from twist or buckling.

  3. #13
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    Galvanising

    These are the parts that were recommended for electro-plating as they have moving components. What have other people done with these during a rebuild?
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  4. #14
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    gal

    In The past I have pull these bits apart and just sent them with the rest.
    I would have through $150 to 200 for full car worth.
    Dennis

  5. #15
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    Galvanising

    Thanks Dennis
    I was going to chase up a lead from a galvanising mob at Padstow today after sandblasting. It took longer than expected so it looks like tomorrow. The disassembly of these pieces does not look lke the easiest of tasks, not without heating and some hammer work. One of the threads I was reading was talking about a galvanising stick which sounds similar to tinning solder. I wonder if this is worth trying as an option.

    Todays results, certainly removed all the crud and remnant paint trapped right in the corners where the wire wheels could not reach.
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  6. #16
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    Quote Originally Posted by brendanm View Post
    Thanks Dennis
    I was going to chase up a lead from a galvanising mob at Padstow today after sandblasting. It took longer than expected so it looks like tomorrow. The disassembly of these pieces does not look lke the easiest of tasks, not without heating and some hammer work. One of the threads I was reading was talking about a galvanising stick which sounds similar to tinning solder. I wonder if this is worth trying as an option.

    Todays results, certainly removed all the crud and remnant paint trapped right in the corners where the wire wheels could not reach.
    As Dennis said I usually pulled the bits apart, then reassembled after. For most parts you simply grind the end off the pin, then install a new pin after galvanising. Some parts I galvanised with the pi then managed to free up after, but it can be hit and miss...

  7. #17
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    when you put them back on are you using pop rivets or original kind?

  8. #18
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    Quote Originally Posted by Landy Smurf View Post
    when you put them back on are you using pop rivets or original kind?
    If that was directed at me(?) then in most cases I used soft stock like class 4 bolts or welding rods and peened them to look like the original.

  9. #19
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    Galvanising

    Dropped the components over to Pastow this morning. Big price difference. $120 as a minimum weight + 75 cents per kilo for the acid wash. Should be closer to, or under the $150 price range that others have indicated. He could not give any guarantee on distortion. He looked at a couple of components like the door hinge where there is an excess of orginal Gal and said the components look like they were dipped originally though it is only a guess as the process would have changed a lot in the 60 years since. Couple of days until pickup.

    If the question was refitting. The intention was to use the blind rivets and solid aluminium domed head rivets as original. I have some rivets and a punch on the way. I have seen a screw thread clamp type tool used to upset the rivets. If anyone owns one or knows of one available for loan I would be happy to hear from them.

  10. #20
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    Galvanising

    Picked up the bits that went in for galvanising today. All the bits were there and no warping or distortion. $138 all up that's doorframes, hinges, all cappings, tailgate pieces and a couple of fittings. I don't think the price would alter much if more components like the windscreen surround went in as it is well under minimum weight, so it would only be 75cents per kilo extra for the acid bath.

    I knew when putting them in they would do their best with tying up as they have had wire break before and the component then becomes part of the gal bath. I have enough spares that this is not debilitating just would be annoying given the welding and sand blasting that went into preparation. I was more concerned with distortion.

    The coating was thicker than I thought with some inconsistencies. I touched up some of the dags with a file. The surface texture on some components was rough. I will attempt to sand down, though not through the Zinc coating to achieve a better finish. Maybe this is where a centrifugal galvaniser may be better as excess zinc is spun off the metal after dipping.

    I am not convinced that I have gone about this the right way. Initially I though that painting with a cold gal would be like spray painting an asterix on a hubcap and calling it a mag wheel. Given it was originally gal I was keen to reproduce this. I will post some more photos that give a better look.
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