DrJB Posted January 31, 2015 Posted January 31, 2015 I was looking at my collection of original sets and tried to establish a pattern. Is there some logic as to the coloring of pneumatic tubes e.g., black for high pressure and light gray for return lines? I thought I was onto a 'pattern' but then some sets use 3 colors (black, grey, blue). Is the choice of color simply done for differentiation and ease of assembly or there is some 'hidden' rule? Quote
Nalyd997 Posted January 31, 2015 Posted January 31, 2015 I always thought that blue was to connect valves (8110), then black and grey for each input on the cylinder Quote
Bricktrain Posted January 31, 2015 Posted January 31, 2015 As above, blue from pump to valve, grey cylinder extension and black to cylinder black end for retraction Quote
Captainowie Posted January 31, 2015 Posted January 31, 2015 As near as I can figure, it's the above for modern sets (since the introduction of the blue tube), but in the two-tone old days (e.g. 8455, 8868), it is light grey for pump -> valve, dark grey for valve -> cylinders. I have yet to come across a set that breaks this rule, but that doesn't necessarily mean anything! Quote
zux Posted January 31, 2015 Posted January 31, 2015 As near as I can figure, it's the above for modern sets (since the introduction of the blue tube), but in the two-tone old days (e.g. 8455, 8868), it is light grey for pump -> valve, dark grey for valve -> cylinders.I have yet to come across a set that breaks this rule, but that doesn't necessarily mean anything! Check out the picture of 8455 - it doesn't follow your pattern. Front cylinders have both either light gray or dark gray tubes attached. Quote
allanp Posted January 31, 2015 Posted January 31, 2015 (edited) I'de place this rule under unwanted colour vomit. Would look so much better if they were all dark grey and I don't think having two or three colours makes it all that much easier to not make a mistake. Would it be better to have a sticker sheet with a bunch of numbers on it so you could number the hoses as you build and then remove the stickers when finished? Less chance of making a mistake, better overall look. Edited January 31, 2015 by allanp Quote
DrJB Posted January 31, 2015 Author Posted January 31, 2015 Check out the picture of 8455 - it doesn't follow your pattern. Front cylinders have both either light gray or dark gray tubes attached. That's exactly why I asked, because the 8455 (I have 2) does not fit such rule/pattern. Quote
Captainowie Posted February 1, 2015 Posted February 1, 2015 Check out the picture of 8455 - it doesn't follow your pattern. Front cylinders have both either light gray or dark gray tubes attached. That's exactly why I asked, because the 8455 (I have 2) does not fit such rule/pattern. Well, that'll teach me to post something before actually checking it. I stand corrected. Quote
Blakbird Posted February 2, 2015 Posted February 2, 2015 I've never seen a consistent pattern to the colors. I think the color differentiation is mostly to make the model easier to build, but the colors don't really have a universal meaning. That's too bad, because such color coding could actually be useful. I've certainly seen MOCs which color code consistently (blue = supply, black = extend, gray = retract). Quote
BachAddict Posted February 3, 2015 Posted February 3, 2015 8868 has clear to valves and dark grey to cylinders. Quote
DrJB Posted February 3, 2015 Author Posted February 3, 2015 The RCX ultimate Builder's add-on had some clear tubing, but it had one clear cylinder as well. Quote
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