 | | 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 (...) (20 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 (...) (20 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. (...) (20 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 (20 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 (...) (20 years ago, 8-Apr-04, to lugnet.technic, FTX)
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| | Re: pneumatic cylinder: why not hydraulic ??
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Not alone thinked about it a while back,currently studing fliud power and in the fluid power industry (...) Lego pneumatic cannot be used for hydraulic's period! Nor will there be such a thing put out by lego there in the toy industry not heavy (...) (20 years ago, 8-Apr-04, to lugnet.technic)
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| | Re: pneumatic cylinder: why not hydraulic ??
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purpledave@maskofdestiny.com (Purple Dave) wrote in <Hvtrvs.sBv@lugnet.com>: (...) And where would you leave all that fluid? Fluids aren't compressible (yeah, they are, but so much less than air that I'm close enough for government work). (20 years ago, 8-Apr-04, to lugnet.technic)
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| | Re: pneumatic cylinder: why not hydraulic ??
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(...) Not necessarily. Assuming both cylinders are the same size, a full pump cylinder stroke will only result in a full working cylinder stroke if the working cylinder doesn't have significantly more resistance than the pump cylinder. If the (...) (20 years ago, 7-Apr-04, to lugnet.technic)
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| | Re: pneumatic cylinder: why not hydraulic ??
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(...) One key thing about hydraulics has always been "avoid leaks". To switch the fluid, just invent something I've wished for for years - the reverser switch. This switch has four ports, used in opposing pairs. Clockwise in a circle they would be (...) (20 years ago, 7-Apr-04, to lugnet.technic)
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| | Re: MStamp
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(...) Yes, eventually that will happen. The tricky part is actually buying the stamp. :) I'm a little worried that the ink will drip out of the ink pad since it's inverted but I'll just have to cross that bridge when I get to it. As for the real (...) (20 years ago, 7-Apr-04, to lugnet.robotics, lugnet.technic, FTX)
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| | Re: MStamp
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(...) plan to replace the wheel and plate with a real ink stamp? This could definitely be used for real work! What about using a simple downward-acting, self-inking stamp? I have one of these for applying my return address on envelopes, and it's (...) (20 years ago, 7-Apr-04, to lugnet.robotics, lugnet.technic)
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| | Re: pneumatic cylinder: why not hydraulic ??
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purpledave@maskofdestiny.com (Purple Dave) wrote in <HvrHn0.Cpw@lugnet.com>: (...) I'd add 7. if you used hydraulics, a cylinder would extend or retract fully with one stroke of the pump. The resistance the cylinder encounters is transmitted to the (...) (20 years ago, 7-Apr-04, to lugnet.technic)
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| | Scary monster
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I took some (URL) pictures> of a combiner made with 3 Toa Metru. (20 years ago, 7-Apr-04, to lugnet.technic.bionicle, FTX)
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| | Re: pneumatic cylinder: why not hydraulic ??
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(...) Well one solution to that problem is to position all the switches above a "hydraulic fluid catchment area", however I still think it would be prone to spillage ;) ROSCO (20 years ago, 6-Apr-04, to lugnet.technic)
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| | Re: pneumatic cylinder: why not hydraulic ??
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(...) The simplest reason is that when the switch is flipped to one side, the other port is released to the atmosphere. This means that your hydraulic fluid would spill all over the floor. Figure out how to eliminate the free release (hint, only (...) (20 years ago, 6-Apr-04, to lugnet.technic)
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| | Re: pneumatic cylinder: why not hydraulic ??
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(...) I can think of a few concerns that would need to be answered before using a pneumatic cylinder as a hydrolic cylinder: 1. will the seals work properly I'd be concerned that the lubricant would get washed away by water, so the only way to (...) (20 years ago, 6-Apr-04, to lugnet.technic)
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| | pneumatic cylinder: why not hydraulic ??
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Hi everybody, I' ve read a long time ago something like this: LEGO pneumatic cylinder cannot be use as hydraulic cylinder. Is anybody can explain me why ?? May be we can' t use water with cylinder (may be cause of corrosion) but what about silicone (...) (20 years ago, 6-Apr-04, to lugnet.technic)
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| | Crystal Reef
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(URL) Some of you guys have come up with ways to make nano-scale Moonbase modules, but I figured why stop there? Why not make them so they'll fit in with a standard Moonbase layout? After all, there's an added potential for scale-based humor. When I (...) (20 years ago, 6-Apr-04, to lugnet.space, lugnet.build.microscale, lugnet.technic.bionicle, lugnet.announce, lugnet.org.us.michlug, FTX)
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| | Left Over Crab
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I found myself with quite a few leftovers after making a near-canonical combiner of three Toa Metru sets. Near-canonical because I substituted Whenua for Onewa. This turned out lucky because I found a use for the claws: (URL) Crab-like thing.> (20 years ago, 6-Apr-04, to lugnet.technic.bionicle, FTX)
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| | Bric'Mania for AFOLs
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A french message follows... Un message en français suit.. Dear AFOLs I have the joy of announcing the launch of (URL) Bric'Mania> This event is organized for you, AFOLs, and come to show us your MOCs. Bric'Mania will take place in Grenoble (France) (...) (20 years ago, 5-Apr-04, to lugnet.loc.fr, lugnet.loc.eu, lugnet.loc.be, lugnet.loc.de, lugnet.loc.it, lugnet.loc.nl, lugnet.loc.uk, lugnet.events, lugnet.technic, lugnet.town, lugnet.trains, lugnet.castle, lugnet.space, FTX)
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