 | | Re: Sopwith Camel pictures —Tobbe Arnesson
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| | | (...) And now it's not just "only plastic kit airplanes" today it's LEGO plastic kit airplanes 8) A friend of mine had a LEGO X-wing hanging from his ceiling for a while. (...) ...or stand on a chair and use my "lens cleaning brush", or perhaps some (...) (23 years ago, 27-May-01, to lugnet.general)
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| | | | | Re: Sopwith Camel pictures —Fredrik Glöckner
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| | | | (...) I prefer rollerblading myself. I'm just into recreational inline skating, but it's still way fun! BTW, I just bought myself a new bike. I used to have a mountain bike with slim, slick tyres for city use, but now I've got a proper hybrid (...) (23 years ago, 28-May-01, to lugnet.general)
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| | | | | | Re: Sopwith Camel pictures —Tobbe Arnesson
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| | | | (...) I have pre dark ages bricks that used to be white too. But they have been stored in light secure boxes and such so I have no clue how that occured, I suppose it's aging in the plastic. Any other thoughts on this? /Tobbe (URL) (23 years ago, 29-May-01, to lugnet.general)
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| | | | | | Re: Sopwith Camel pictures —Fredrik Glöckner
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| | | | | (...) On the subject of my 5580 Highway Rig which was on display, I clearly noted that only the visible white parts had yellowed. The parts of the plates that were covered with other parts, for example, were not yellowed. This leads me into (...) (23 years ago, 29-May-01, to lugnet.general)
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| | | | | | | why parts yellow (was Re: Sopwith Camel pictures) —Cary Clark
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| | | | | | Frank Filz showed me a brick out of a sealed set from the 70's that had yellowed in the box, once opened over twenty years later. The box may have been near or in a store window, so it may have gotten UV through the box, but the parts in the same (...) (23 years ago, 30-May-01, to lugnet.general)
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| | | | | | | | Re: why parts yellow (was Re: Sopwith Camel pictures) —Tony Priestman
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| | | | | | | On Wed, 30 May 2001, Cary Clark (<GE5u0s.MLF@lugnet.com>) wrote at 18:00:14 (...) It is distinctly possible that there is more than one cause of yellowing, as there appears to be more than type of yellowing. Having said that, the following (...) (23 years ago, 30-May-01, to lugnet.general)
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| | | | | | | | | Re: why parts yellow (was Re: Sopwith Camel pictures) —Dave Schuler
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| | | | | | | | | (...) I don't know nuthin bout no free radicals, but my grandfather has had white vinyl siding on his house for about fifteen years, and its still a lot whiter than my white LEGO bricks purchased at about the same time (and which have spent a lot (...) (23 years ago, 30-May-01, to lugnet.general)
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| | | | | | | | | | | Re: why parts yellow (was Re: Sopwith Camel pictures) —Tony Priestman
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| | | | | | | | | | On Wed, 30 May 2001, Dave Schuler (<GE62DC.J0D@lugnet.com>) wrote at 21:00:48 (...) uPVC for outdoor use in windows, etc. is absolutely brimming with the stuff that stops it going yellow & decomposing. Because LEGO isn't designed for outdoor use, it (...) (23 years ago, 30-May-01, to lugnet.general)
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| | | | | | | | | Re: why parts yellow (was Re: Sopwith Camel pictures) —Duane Hess
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| | | | | | | | (...) <SNIP> (...) Darn revolutionary extremists! I wish they would leave politics out of this. :-) -Duane (23 years ago, 30-May-01, to lugnet.general)
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| | | | | | | | | | Re: why parts yellow (was Re: Sopwith Camel pictures) —James Brown
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| | | | | | | | (...) Just get yourself some free radical traps. Work like a charm for us, and we didn't even have to pay shipping. <grin> (wait for it...) It really is pretty elementary. <duck & run> James (23 years ago, 30-May-01, to lugnet.off-topic.pun)
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| | | | | | | | Re: why parts yellow (was Re: Sopwith Camel pictures) —Kyle D. Jackson
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| | | | | | (...) According to our resident plastics expert at work, both ABS and CA (cellulose acetate) polymers will discolour from exposure to ultra-violet light. The UV energy directly "attacks" the molecular bonds of the polymers. And presumably this (...) (23 years ago, 30-May-01, to lugnet.general)
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| | | | | | | | Re: why parts yellow (was Re: Sopwith Camel pictures) —Gary Istok
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| | | | | | Recently I was checking some of my Classic Lego windows & doors for yellowing. The older ABS white windows (from 1964-72) were quite prone to yellowing. However, ALL of my Cellulose Acetate white windows had sustained NO yellowing (I have hundreds (...) (23 years ago, 31-May-01, to lugnet.general)
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| | | | | | Re: Sopwith Camel pictures —A. Mark Wilburn
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| | | | (...) Actually, yes (although this won't be terribly helpful). I too have a 5580 that I've left displayed (not in direct sunlight, but it still get's some sunlight) since I built it (when it came out, roughly 1990). Most of the pieces are still (...) (23 years ago, 29-May-01, to lugnet.general)
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