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Post by Harold on Feb 25, 2015 15:55:34 GMT
I am in the process of trying to restore the switch gear for my 250NA, I now have them painted, but the problems seem to start when I am trying to fill in the engraved writing on them. This is the 3rd time I have painted them because when I filled the writing in the last two times and then tried to wipe the excess of it brought some of the black paint of as well. I am assuming that the paint hadn't cured properly as they were sat in a cold garage. I used Humbrol model paint for the writing and meths to wipe of the excess. I have used an enamel paint for the switch gear itself this time and plan to give it another go shortly, I have had the parts sitting on top of the radiator in the hope of properly curing them a bit better (I hinted at using the oven but received a definitive no) . Anyone else have any experience, tips pitfalls to watch out for.
Thanks in advance for any help or advice.
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Post by paddlesat16 on Feb 25, 2015 16:25:18 GMT
Dont use meths just toilet paper/kitchen towel to wipe away the excess.
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Post by stevie on Feb 25, 2015 16:26:49 GMT
Harold put your green on and then try carefully rubbing any excess off with some cutting compound when the green is nearly cured. Good luck
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Post by Harold on Feb 25, 2015 16:43:43 GMT
So fill in the paint rub of excess with news paper which will smudge and then remove the smudges with T Cut or something like that ?
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Post by stevie on Feb 25, 2015 17:39:10 GMT
Yep you got it Harold Have you got a magnifying glass? you will be amazed at how much detail you can pick out using one of them, and also use a rolled piece of masking tape as in the pics in my thread in the paint section.
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Post by Harold on Feb 27, 2015 15:07:31 GMT
Tried it Stevie still no good the T Cut rubbed the black paint of too. Fourth time lucky maybe These are turning out to be a real bitch.
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Deleted
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Post by Deleted on Feb 27, 2015 16:48:12 GMT
My gut on this is that your black paint may be quite thick - and it has filled the infill's (writing) a bit too much meaning that the green cannot properly get in there.
You may have to strip them and start again from absolute scratch.
I'd use Simoniz tough black in satin, just a light few sprays of it, an hour apart and let it cure for at least a week in a warm environment before getting the Humbrol near it. Then apply the green, leave that to cure for an hour and then get some fine grade wet and dry or scotchbright - make sure it is damp and gently rub off the excess green - do not press hard. Then a few days later, lightly T-cut out the fine scratches (caused by the abrasiveness) in the black.
It is a game of patience. Rush jobs like this and it can and will go wrong - it's happened many a time to me.
Good luck.
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Deleted
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Post by Deleted on Feb 27, 2015 16:53:46 GMT
A further suggestion - when applying the Humbrol, use a very very fine artist's paintbrush.
You want as little as the green as possible overlapping onto the black.
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Post by stevie on Feb 27, 2015 17:20:29 GMT
Good advice fungo, Can i also add another take on things, you could try painting your black, then you know those cheapo kids waterbased paint sets you can buy which has multi colours in which you dilute with water, you could try using that if you have an eye for tinting, yellow and blue make green then if you want to make it paler a bit of white, do your lettering and wipe off with a damp cloth then a coat of clear over the whole switch, maybe worth a try if your struggling harold.
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Post by Fordy on Feb 27, 2015 19:17:35 GMT
To be honest mine need doing but it's not a job I fancy.
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Post by Harold on Feb 27, 2015 20:12:27 GMT
Thanks for the advice I am determined though so as you say Nick I will strip them AGAIN and start again having taken on board the advice from you Stevie and Bob. Thanks to you all.
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rgdavid
Full Member
the truth is an offence
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Post by rgdavid on Feb 27, 2015 21:35:19 GMT
for record, whats the humbrol colour thats the closest to original colour ?
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Post by Harold on Mar 12, 2015 8:57:01 GMT
Here is my latest attempt and I must say I am quite pleased, I used Valspar Satin Black and a little tester jar of emulsion (Spearmint) both from B & Q and my plan is now to use a clear satin laquer to seal them. I found the emulsion was great to use as it dried really quickly and was easy to remove the excess with a damp cloth. I just hope the clear laquer seals it and does not react, fingers crossed
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Post by jonnyboy on Mar 12, 2015 9:12:41 GMT
Looking good Harold! you have made a good job of those! With me it is a case of my eyesight is not as good as it once was so it proves difficult unless under a magnifying glass. I have toyed with the idea of painting green first, then filling with plasticene then spraying black, but either way it is not a job i look forward to.
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Post by Harold on Mar 12, 2015 9:36:22 GMT
Thanks Jonny this was my fourth attempt at these and I considered the plasticine route myself amongst other things. This has so far been the most succesful attempt and the easiest to do the only thing now is how will the laquer go ? I hope to get the laquer on them tonight. I used a cocktail stick to put the paint in the lettering and cut a bit of a plastic spreader to remove most of the excess before letting it dry and cleaning it up with a damp cloth.
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