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Post by Roger on Aug 3, 2022 7:31:52 GMT
Ok, it's far from perfect, but it's good enough. Once that's thoroughly hardened, I can finally get on with assembling the chassis back to a running state, years after its first run on air. PXL_20220803_064610387 by Timothy Froud, on Flickr
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Post by simplyloco on Aug 3, 2022 7:58:16 GMT
Ok, it's far from perfect, but it's good enough. Once that's thoroughly hardened, I can finally get on with assembling the chassis back to a running state, years after its first run on air. SNIP Looks perfect to me Roger!
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Post by Roger on Aug 3, 2022 10:42:12 GMT
Ok, it's far from perfect, but it's good enough. Once that's thoroughly hardened, I can finally get on with assembling the chassis back to a running state, years after its first run on air. SNIP Looks perfect to me Roger! Thanks John, if you're that happy with it, then I certainly am.
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Post by 92220 on Aug 3, 2022 15:04:02 GMT
Hi Roger.
I agree with John. Looks as near perfect at damnit is to swearing!! Without being being a larger scale, like 7.1/4, I doubt anyone could improve on those. Brilliant idea for guides too!!
Bob.
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Post by jon38r80 on Aug 3, 2022 15:29:21 GMT
Impressive , pleased that the pen you made didnt blot like the drawing pens used to . I guess its probably because the paint is thicker the result is really good, congratulations.
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Post by Roger on Aug 3, 2022 15:57:55 GMT
Impressive , pleased that the pen you made didnt blot like the drawing pens used to . I guess its probably because the paint is thicker the result is really good, congratulations. Thanks Jon, I think you're right about the blotting. That's more luck than judgement though. Whether this will be the same with the larger sizes is another thing. I'll have to do some experimenting with different wire sizes on those to restrict the flow.
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Post by Roger on Aug 3, 2022 16:04:11 GMT
Hi Roger. I agree with John. Looks as near perfect at damnit is to swearing!! Without being being a larger scale, like 7.1/4, I doubt anyone could improve on those. Brilliant idea for guides too!! Bob. Thanks Bob, As always, when you look really closely you can see everything that's wrong with it. However, from the sort of distance these things are viewed, you won't notice those. I tried to bend the guides by hand to begin with, but that was hopeless. Getting a close fit was almost impossible, with the guides ending up twisted and wavy. The only way I could see to make this work was to make something that insisted that they stayed in the right place while they were really flexible and chewy. PLA has a very low melting point, so you can't use it for anything that sits in the Sun or in the Car for example. However, it's quite hard when it's cold, and you can sand it. I touched up the flat 3d printed guides on the surface table with some fine Wet & Dry to get the edges smooth. Anyway, it was a lot of fiddling about that most people wouldn't bother with, but you know what I'm like.
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JonL
Elder Statesman
WWSME (Wiltshire)
Posts: 2,912
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Post by JonL on Aug 3, 2022 17:12:16 GMT
SUPERB. Following with interest so I can steal your ideas!
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Post by Roger on Aug 3, 2022 17:25:46 GMT
SUPERB. Following with interest so I can steal your ideas! Steal away. If anything I do is remotely useful I'm delighted to see anyone doing the same.
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Post by simplyloco on Aug 3, 2022 20:25:43 GMT
SUPERB. Following with interest so I can steal your ideas! Steal away. If anything I do is remotely useful I'm delighted to see anyone doing the same. Agreed. I felt the same way about my bender and my 3D printed lining templates.
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Post by doubletop on Aug 3, 2022 23:01:13 GMT
Ok, it's far from perfect, but it's good enough. Once that's thoroughly hardened, I can finally get on with assembling the chassis back to a running state, years after its first run on air. Nicely done and envious. My painting isn't going well down here, probably the cold and humidity. Yesterday resulted in pieces having their paint stripped and sand blasted again. I've decided to pack it in for a while and wait for the weather to improve. Pete
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Post by mugbuilder on Aug 4, 2022 3:26:44 GMT
Ok, it's far from perfect, but it's good enough. Once that's thoroughly hardened, I can finally get on with assembling the chassis back to a running state, years after its first run on air. PXL_20220803_064610387 by Timothy Froud, on Flickr I' hate to see a rough one.
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Post by racinjason on Aug 4, 2022 7:56:33 GMT
Ok, it's far from perfect, but it's good enough. Once that's thoroughly hardened, I can finally get on with assembling the chassis back to a running state, years after its first run on air. PXL_20220803_064610387 by Timothy Froud, on Flickr I' hate to see a rough one. it's coming Barry
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Post by Roger on Aug 4, 2022 9:19:57 GMT
Ok, it's far from perfect, but it's good enough. Once that's thoroughly hardened, I can finally get on with assembling the chassis back to a running state, years after its first run on air. Nicely done and envious. My painting isn't going well down here, probably the cold and humidity. Yestederday resulted in pieces having their paint stripped and sand blasted again. I've decided to pack it in for a while and wait for the weather to improve. Pete Thanks Pete. Painting can be infuriating. I have a sealed container with thinners in it for stripping parts. The thinners don't seem to do much to the cured paint, but they vigorously attack the Etch Primer that I'm using. Leving the parts to soak for half an hour is all it takes to completely strip them to the bare metal. Shot blasting works well, but I wouldn't want to keep using it because it rounds off corners and distort flat plates. I'm not very good at painting, hence my obsession with stacking everything in my favour with clean compressed air and a filtered booth for the spraying. It's hard enough to get things even close to right in the first place, and it drives me nuts to have it ruined by dust or oil specks.
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Post by doubletop on Aug 4, 2022 9:31:52 GMT
Nicely done and envious. My painting isn't going well down here, probably the cold and humidity. Yestederday resulted in pieces having their paint stripped and sand blasted again. I've decided to pack it in for a while and wait for the weather to improve. Pete Thanks Pete. Painting can be infuriating. I have a sealed container with thinners in it for stripping parts. The thinners don't seem to do much to the cured paint, but they vigorously attack the Etch Primer that I'm using. Leving the parts to soak for half an hour is all it takes to completely strip them to the bare metal. Shot blasting works well, but I wouldn't want to keep using it because it rounds off corners and distort flat plates. I'm not very good at painting, hence my obsession with stacking everything in my favour with clean compressed air and a filtered booth for the spraying. It's hard enough to get things even close to right in the first place, and it drives me nuts to have it ruined by dust or oil specks. I use paint stripper, Nitromors on your part of the world. I was surprised how hard it was to get the paint off especially on the parts that had been lacquered. The etch primer, colour coat and lacquer combined into a gooey mess that took a bit effort to get off the plate, That’s why I went back to the sand blaster. In this case there were little or no rivets to deal with and the plates were 0.047” so they weren’t going to distort.
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Post by Roger on Aug 4, 2022 10:18:42 GMT
Thanks Pete. Painting can be infuriating. I have a sealed container with thinners in it for stripping parts. The thinners don't seem to do much to the cured paint, but they vigorously attack the Etch Primer that I'm using. Leving the parts to soak for half an hour is all it takes to completely strip them to the bare metal. Shot blasting works well, but I wouldn't want to keep using it because it rounds off corners and distort flat plates. I'm not very good at painting, hence my obsession with stacking everything in my favour with clean compressed air and a filtered booth for the spraying. It's hard enough to get things even close to right in the first place, and it drives me nuts to have it ruined by dust or oil specks. I use paint stripper, Nitromors on your part of the world. I was surprised how hard it was to get the paint off especially on the parts that had been lacquered. The etch primer, colour coat and lacquer combined into a gooey mess that took a bit effort to get off the plate, That’s why I went back to the sand blaster. In this case there were little or no rivets to deal with and the plates were 0.047” so they weren’t going to distort. Do try just soaking in thinners, you might be surprised at how easily it comes off. Maybe it's just the particular brand of etch Primer I'm using.
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Post by chris vine on Aug 4, 2022 10:36:30 GMT
Hi Pete,
When I was painting Bongo, in Scotland during the cold months, I ran out of power supply to the garage! First there was a largish compressor to power the HVLP spray gun. Then there were lights. I used those outdoor floodlights, but before the days of the efficient LED types. Finally, heaters. I had one or two 3 kw fan heaters to keep the temperature of the paint booth up. One was in the general garage, the other was aimed at the fan which pushed air in to the booth through air filters.
Usually our power requirements for model engineering are very modest...
Chris.
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Post by simplyloco on Aug 4, 2022 11:03:40 GMT
Hi Pete, When I was painting Bongo, in Scotland during the cold months, I ran out of power supply to the garage! First there was a largish compressor to power the HVLP spray gun. Then there were lights. I used those outdoor floodlights, but before the days of the efficient LED types. Finally, heaters. I had one or two 3 kw fan heaters to keep the temperature of the paint booth up. One was in the general garage, the other was aimed at the fan which pushed air in to the booth through air filters. Usually our power requirements for model engineering are very modest... Chris. Hi Chris Conversely, I painted the Stirling Single in the garden with the ALDI compressor clattering away in my workshop! John
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Post by chris vine on Aug 4, 2022 11:24:44 GMT
Whatever works, eh?!!
C
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Post by 92220 on Aug 4, 2022 18:18:20 GMT
The ideal temperature for most painting, is 60F (15.5C). Move away from that temp, either way, will cause different problems, but problems that get worse, the further you get, from the ideal temp.
Bob.
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