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About Jimlad

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  1. Thanks for the responses, appreciated. The equipment choice was inspired by Paul Budzik's youtube channel 'Scale Model Workshop' and this video here discusses the rationale behind this particular gun set-up. I also have a smaller traditional airbrush for smaller models and I typically only use both guns for base coats. The paint stirrer now seems like a good idea and I'll look into getting hold of one, although I also have a lab mixer so might be time to wheel that out. I use a pipette to add paint and thinners to either the gun cup or a shot glass, in a fairly makeshift manner and then I'd gi
  2. Hello all, Can anyone suggest what I might be missing here, I'm spraying a polyurethane model which I've cast myself using Humbrol matt enamel 82 (lining orange) via an Iwata RG3L gun with a 1mm tip. Air pressure is approx 30 psi at the gun and the recommended working PSI is around 35. The model has lots of large flat areas and is approximately A4 size and 75mm deep. No primer and no release agents were used in the mould. I'm aware that spraying to far away results in paint drying too quick and this can leave a furry suede like result, so I'm spraying from approximately 3 inches a
  3. Thanks very much for the replies on this. I'll probably try some of the colourcoats stuff. Taking a quick look at the costs of the recommended products per litre. Humbrol comes in at £45 Xtracolour at £36 Coloucoats at £30 Then there's the courier cost as typically they can't be sent by royal mail... I subscribe to a youtube channel called Scale Model Workshop, he has an interesting vid on primers and the sort of thinners he refers to there are of the more industrial variety. I wondered if there were equivalent uk al
  4. Turps huh? Interesting. Would that be the common or garden diy shop stuff? I always thought that might leave a residue. Or would I be better off with distilled? Thanks Dave.
  5. I get through a lot of their thinners so I buy them in the 125ml size, more expensive than champagne - anyone have any tips on where to buy? Rustins tech support suggested just using white spirit however I wasn't convinced. I'm open to suggestions for different products... Thanks.
  6. Hello, Has anyone got any thoughts / knowledge they might share on paint primers that bond well to PU resin. I've tried over a dozen and I'm familiar with prep, degreasing sanding etc. I will more than likely be using enamel paint over the top. Thanks.
  7. This post is a bit old now but I'll chip in case anyone is interested. In answer to the original questions regarding degassing in the mold or the pot, it's fine to degass in the pot and you can do it in several stages when working with silicone rubbers if your chamber isn't big enough. So you don't have to mix it all in one go. Typically most rubbers will be left overnight and there should be enough pot life so you don't have to panic when mixing and degassing, however if you haven't done it before I'd recommend selecting one with a fairly generous pot life as the thorough mixing
  8. I'm trying to imagine it for practical use for direct mixing of small quantities of paint. Would you still manually mix an estimated shade which once dry the Nix device would give you say a cmyk (?) breakdown of your target colour in comparison to your mixed colour. Let's say the mixed colour has too much yellow and black you'd then what, add more of the cyan and magenta to adjust the ratios... hmmm, cmyk models are used in print but are they useful for mixing artists acrylics or enamels? You'd probably need white as well. Whatever colour space was used wouldn't you need standardised base colo
  9. Thanks all for some really interesting replies. Thoughts in response; Daylight, even at midday in ideal weather conditions, bounces all over the place indoors and isn't ideal which is why photographers use studio flash etc for colour critical stuff. I'm not trying to match to industry standards ral/pantone etc. I'm trying to match the colour of an object to that of paint and I'll evaluate it once dry. My colour perception is ok but even if it were off I'm matching to my own perception not a colour model. (Thanks for the links). I have an x-rite Colormunki spectrophotomet
  10. I'm trying to evaluate paint colour and get it to closely match source materials. One of these would be handy, however my budget is more towards this. I appreciate this won't be a concern for many but wondered if anyone has found an affordable way to light/view their work in a consistent reliable way?
  11. I use one of these sort of things because space is a problem for me; https://www.amazon.co.uk/dp/B003UMZQ4U/ref=cm_sw_em_r_mt_dp_U_TdXOEbHP992P5 and it lets light in. It collapses flat quickly and is lightweight. I had already an industrial type workshop air filter/fan which extracts via a hole I've made at the back. Filters from ebay which I cut into circles using the front grill as a template. If I had the space for somewhere to permanently install it I'd probably try something like this which ideally would extract to the outside..
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