 | | Re: LEGO at the Bauma 2004 construction equipment trade fair
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(...) I suppose you mean the LG 1750. This is an all new crane from Liebherr which uses an eight axle chassis with all wheel steering and four driven axles that carries the four support legs. All the other components have to be transported (...) (21 years ago, 10-Apr-04, to lugnet.technic)
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| | Re: LEGO at the Bauma 2004 construction equipment trade fair
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(...) Sorry, always thought that would work with every browser but just found out that Mozilla has some problems with the mouse over texts. Therefore I can't tell which other browsers will display it correctly and which not. The mouse over texts are (...) (21 years ago, 10-Apr-04, to lugnet.technic)
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| | Re: Pneumatics book?
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(...) Syngress found me, and then I co-authored in my first book. It was primarily a building instruction book, with little freedom, except in the model design itself. I wrote my first version of LPub for that book. Syngress had another "10 Cool (...) (21 years ago, 10-Apr-04, to lugnet.technic, lugnet.books)
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| | Generic replacement for flex hose
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Hi all, Anyone that wants generic flex tubing for models look in your local hobby shop for evergreen scale models tubing (URL) 3.2mm (1/8") tubing is a perfect substitute for LEGO flex tubing, and comes in lengths up to 60cm (24"). It only comes in (...) (21 years ago, 10-Apr-04, to lugnet.technic)
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| | Re: Pneumatics book?
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(...) Yes, I just noticed that it was one of your specialities - obvious due to the picture on the Technic newsgroup page. I also major in trains, which take a lot of time, so I haven't had time to develop pneumatics much for a few years. However, (...) (21 years ago, 9-Apr-04, to lugnet.technic, lugnet.books)
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| | Re: Pneumatics book?
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(...) Mark, I think the subject of pneumatic sequencing is strong enough to stand by itself as a chapter. Feel free to read my writeup on the subject (URL) (...) (21 years ago, 9-Apr-04, to lugnet.technic, lugnet.books)
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| | Re: Pneumatics book?
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(...) That would be my fifth book, and my second that contains pneumatic models. I'd love to do more models based on a single 8455 set. It has enough switches to make a half adder, and some cool walkers. It is a challenge to live within the (...) (21 years ago, 9-Apr-04, to lugnet.technic, lugnet.books)
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| | Pneumatics book?
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(...) Well, there are books about Lego Mindstorms and now a book about Lego trains, both by AFOLs, so I don't see why not. Chapters may look like this: 1. Basics. Components and simple system. 2. Larger basic systems, up to Backhoe Loader (...) (21 years ago, 8-Apr-04, to lugnet.technic, lugnet.books)
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| | Re: LEGO at the Bauma 2004 construction equipment trade fair
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(...) Wow! I wish I could have been there. I'd feel like a kid again roaming through an immense toy store. Thanks for posting these pics! (URL) This one> is a little disturbing :-) (...) Oh yeh! See you on the 23rd, Beat! -TJ (21 years ago, 9-Apr-04, to lugnet.technic, FTX)
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| | Re: pneumatic cylinder: why not hydraulic ??
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(...) Mark, I thought this one through, and I get it. I can see how it works. The solution works equally well as my solution. I don't think mine is any more or less complicated, just different. Less hoses, more T's and other technic parts than (...) (21 years ago, 9-Apr-04, to lugnet.technic)
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| | Re: pneumatic cylinder: why not hydraulic ??
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(...) I'd love to see a picture of your reversor, as verbal explanations by themselves are often much harder to comprehend. (...) Again, I'd like to see this. My pneumatic mux that can act as a polarity reversor, can just as easily be used for an (...) (21 years ago, 8-Apr-04, to lugnet.technic)
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| | Re: pneumatic cylinder: why not hydraulic ??
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(...) The amount that a fluid can be compressed varies with the fluid, the temperature, the pressure and other things. Water can be compressed too much - that's why trucks don't use it for their hydraulic systems. Hydraulic fluid is special oil that (...) (21 years ago, 8-Apr-04, to lugnet.technic)
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| | Re: pneumatic cylinder: why not hydraulic ??
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(...) I get the impression you've complicated things by putting different switches at different lever angles. My reverser idea puts the switch lever pivots 16mm apart, all in a line with 2-beams between: BSBSBSBSB along a beam of length 17 holes, so (...) (21 years ago, 8-Apr-04, to lugnet.technic)
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| | Re: pneumatic cylinder: why not hydraulic ??
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In lugnet.technic, Kevin L. Clague wrote: <snip> (...) Actually this multiplexer is more efficient because it uses less parts: (URL) (21 years ago, 8-Apr-04, to lugnet.technic)
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| | Re: pneumatic cylinder: why not hydraulic ??
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<snip> (...) Hi Mark, I've thought about this in the past, and ruled it out because it is such a specialty. Do you think there is a big enough market to justify a book on this topic? Kevin (21 years ago, 8-Apr-04, to lugnet.technic)
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| | Re: LEGO at the Bauma 2004 construction equipment trade fair
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Thank you very much for posting these pictures! must have been a great convention to attend. i especially liked the series of pictures of the red Liebherr crane. bob (...) Bob Kojima ko@fial.com Fial Incorporated Telecom Monitoring Solutions 4343 SW (...) (21 years ago, 8-Apr-04, to lugnet.technic)
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| | Re: pneumatic cylinder: why not hydraulic ??
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(...) It is my understanding that fliuds cannot be compressed. So a cylinder hooked to another cylinder with fluid in between (assuming no leaks), would always provide 1 to 1 movement. I'm not an expert in hydraulics, but I think your claim above (...) (21 years ago, 8-Apr-04, to lugnet.technic)
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| | Re: pneumatic cylinder: why not hydraulic ??
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(...) I have created a pneumatic polarity reversor using four pneumatic switches. I did an analysis and my pneumatic multiplexor works as a hydraulic switch that does not have a free release. (URL) above picture contains two pneumatic multiplexers. (...) (21 years ago, 8-Apr-04, to lugnet.technic)
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| | Re: LEGO at the Bauma 2004 construction equipment trade fair
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Hi Beat, (...) that doesn't work here, can't you just put the description on the page? Jürgen (21 years ago, 8-Apr-04, to lugnet.technic)
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| | LEGO at the Bauma 2004 construction equipment trade fair
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Hello Friday and Saturday 2 and 3 April I have been in Munich visiting the worlds largest trade fair of any kind, the Bauma construction equipment show. And as I know that there are a lot of crane and construction equipment fans here on (...) (21 years ago, 8-Apr-04, to lugnet.technic, FTX)
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