 | | Re: Tire sizes
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(...) Clark, Someone has finally done it: (URL) Put 2997 tire on a 44772 wheel> Looks like a good fit so you may want to add it to VPH. This could prove very useful. Cheers Keith (20 years ago, 16-Oct-04, to lugnet.technic, FTX)
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| | Re: Dennis Bossman's crane
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(...) Not at all - thanks for all the answers. (...) - David (20 years ago, 15-Oct-04, to lugnet.technic)
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| | Re: Dennis Bossman's crane
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The pump lowers the front legs and raises the trailer off of the tractor. With the dozer on the trailer, it takes about 28 pumps; without the dozer it takes about 23. I have never been to that website before, but it has good ideas on it. The (...) (20 years ago, 13-Oct-04, to lugnet.technic)
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| | Re: Dennis Bossman's crane
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(...) Does it lower & raise the side stands? How many pumps does it take to do so? (...) Did you use the joystick design on this (URL) site? (...) Ha! spotted immediately! (...) Nice. (...) - David (20 years ago, 12-Oct-04, to lugnet.technic)
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| | Re: Dennis Bossman's crane
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Thank you for your interest! 1. The flatbed truck was built in 1999 and revised this year. The gray lever is a manual pump. It works very easy, but because of the increased mechanical advantage, it takes longer to pump. 2. The plane is from 2001. (...) (20 years ago, 12-Oct-04, to lugnet.technic)
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| | Re: Dennis Bossman's crane
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(...) How long have you been building them? (URL) I like how you used the antenna parts to control the gear box. What exactly is the function of these levers? (URL) Is the gray piece that is attached to the small pneumatic pump supposed to be used (...) (20 years ago, 12-Oct-04, to lugnet.technic)
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| | Re: New BBB pneumatic parts
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Question answered. (20 years ago, 11-Oct-04, to lugnet.technic, FTX)
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| | Re: New BBB pneumatic parts
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(...) Nathan, I think it's more likely that AFOLs simply asked Ben for these after seeing the great work he did on the train wheels. I know I asked him for other things - I wish I'd thought of these too :) And it is likely that tooling up to produce (...) (20 years ago, 11-Oct-04, to lugnet.technic, FTX)
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| | Re: New BBB pneumatic parts
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(...) Can you elaborate? BBB has been making stuff (train wheels) for quite some time now. (20 years ago, 11-Oct-04, to lugnet.technic, FTX)
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| | Re: New BBB pneumatic parts
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Good site! Now the non-purists can use longer pistons (bimba) and one-way valves (BBB). Do you think the posting of the bimba name sparked a desire for BBB to make lego parts too, or were the two company names randomly mentioned at the same time? (20 years ago, 11-Oct-04, to lugnet.technic, FTX)
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| | Re: Multiple MOCs: Technic - Modem Team Hybrid
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Nice work! I really like the "Brain Buster", especially the non-concentric driven pendular rear axle. Something to bear in mind for future designs I think :-) Jennifer (20 years ago, 11-Oct-04, to lugnet.technic, lugnet.modelteam)
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| | Re: New BBB pneumatic parts
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(...) Nice site. With such tempting offerings, I'm glad I ceased being a purist long ago. C S Soh (20 years ago, 11-Oct-04, to lugnet.technic, FTX)
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| | New BBB pneumatic parts
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Big Ben Bricks LLC is please to announce three new parts specifically for the LEGO Technic Pneumatic crowd. If your a purist, read no further. If you want more functionality and performance from your pneumatic circuits read on. People have asked for (...) (20 years ago, 10-Oct-04, to lugnet.technic, lugnet.announce, lugnet.parts.custom, FTX)
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| | Multiple MOCs: Technic - Modem Team Hybrid
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Hi, I set up an account at MOCPages and posted some of my recent creations there. Among my feature presentations are the following (intentionally) highly recognizable cross of Technic sets with their model-team-ish counterparts: (3 URLs) There are (...) (20 years ago, 9-Oct-04, to lugnet.announce.moc, lugnet.technic, lugnet.modelteam, FTX)
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| | Bimba Piston
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I posted new pictures of the Bimba piston on brickshelf last night. I'm sorry they are blurry and dark. I forgot to use the flash, and then the camera battery died. If anyone wants more pictures, I will try to post new ones. I talked to a Bimba (...) (20 years ago, 8-Oct-04, to lugnet.technic)
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| | Re: CG Lego Technics Cars
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Miklós Hosszu's utterance expressed in news:I4Dv0H.u1r@lugnet.com: (...) I like that! Especially the details with the fore/background out of focus - easy to do in PS, but a great effect :D /lars (20 years ago, 6-Oct-04, to lugnet.cad, lugnet.technic)
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| | Re: Tire sizes
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|
(...) 32298 seems to be the biggest of the big, at 100x60 (mm) in Lego notations. I haven't seen anything bigger. Keith (20 years ago, 8-Oct-04, to lugnet.technic)
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| | Re: Tire sizes
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Hi Clark, (...) Thanks for pitching in, but I'm asking if 2997 could be put on 32077. The Wheel Helper didn't mention this combination (and can so be considered not correct), but I saw it done (see my original post), so I want to know if someone has (...) (20 years ago, 8-Oct-04, to lugnet.technic)
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| | Re: Tire sizes
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(...) Couldn't tell what for sure? My Helper matches just the 62.4 tyre to the 62.4 wheel. It does match 3 different tyres to the 41896. I believe those are the correct fitments. Please let me know if there are any corrections needed for my Wheel (...) (20 years ago, 8-Oct-04, to lugnet.technic)
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| | Re: Tire sizes
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|
Speaking of tire sizes, I'm trying to figure out what the largest interior diameter wide tire is. The diameter I am interested in is not the hub diameter but the distance to the inside of the tread. The tires I am currently using are the tires from (...) (20 years ago, 8-Oct-04, to lugnet.technic)
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| | Tire sizes
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(...) I second this. (...) While on the subject of tire sizes, I just came across (URL) this> which talks about the 8448. It shows a couple near-final prototypes in which there are 8880 tires (2997) fitted on 8462 rims (32077) and they seems to fit (...) (20 years ago, 8-Oct-04, to lugnet.technic, FTX)
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| | Re: 8435, 8436
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Yup, the 8435 tires are just slightly larger in diameter - due to the tread. They are also wider. Dustin "Nathan Bell" <Radarbell@hotmail.com> wrote in message news:I586An.x35@lugnet.com... Does any one know if the tires for the truck (8436) and the (...) (20 years ago, 8-Oct-04, to lugnet.technic)
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| | 8435, 8436
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Does any one know if the tires for the truck (8436) and the 4WD (8435) are the same diameter? I would guess that the 8435 tires are bigger, but I'm not sure. (20 years ago, 7-Oct-04, to lugnet.technic)
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| | Piston for Telescopic Handler
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I should have more pictures of the piston posted on brickshelf in the next few days. Thank you for your interest. (20 years ago, 7-Oct-04, to lugnet.technic)
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| | Re: Piston for Telescopic Handler
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Nathan Bell- I would love to see it! (20 years ago, 7-Oct-04, to lugnet.technic)
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| | Re: Piston for Telescopic Handler
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The Bimba cylinder works well with legos if you adapt it to lego using short lego pneumatic hoses and pneumatic "lines." When I found this piston, the ports were threaded holes, which were apparently made for Bimba's threaded ports. Instead of using (...) (20 years ago, 7-Oct-04, to lugnet.technic)
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| | Re: Piston for Telescopic Handler
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Nathan- These pistons have peaked my interest (thanx for the website). I am curious though; if these pistons are made from steel, how is it possible to control them by the lego pneumatic pump, seeing as how that is made from plastic? Or would you (...) (20 years ago, 5-Oct-04, to lugnet.technic)
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| | hydraulics
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Hey y'all- Is it possible to use hydraulics with lego? (20 years ago, 5-Oct-04, to lugnet.technic)
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| | Re:Looks like good boom material
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I have a friend that has some of those "fisher technic" bricks and he may know where to get them. As to whether or not they work with Lego- do you have a good soldering iron? I don't know if it would work, but the fumes might be too pungent to (...) (20 years ago, 3-Oct-04, to lugnet.technic)
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| | Piston for Telescopic Handler
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In case anyone wants to use one, the piston for my telescopic handler recently posted on brickshelf is made by Bimba. I don't know the exact model, but it extends 8 inches (20CM) and is 12 inches (30cm) long all together. Every other dimension is (...) (20 years ago, 3-Oct-04, to lugnet.technic)
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| | Re: Looks like good boom material
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(...) Looks like it is, thanks. And from other replies I got, the verdict is that its difficult to interface with LEGO. Bummer. ROSCO (20 years ago, 1-Oct-04, to lugnet.technic)
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| | Re: New MOC: large crane -- Update!
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(...) The update is finally up on the web at (URL) crane will be shown for the first time in public on October 9th at the next BayLUG meeting (details here: (URL) I plan on taking a series of pictures showing the setup process. Greetings, David (20 years ago, 1-Oct-04, to lugnet.technic)
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| | Re: Looks like good boom material
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(...) At first glance that looks like FischerTechnik to me ((URL) and (URL) but I might be wrong. Hope that helps. (20 years ago, 1-Oct-04, to lugnet.technic)
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| | Looks like good boom material
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Does anyone know what these are made from? (URL) of Modelshow Europe in Geldermalsen 2004 by Wolfgang Esbruch) ROSCO (20 years ago, 1-Oct-04, to lugnet.technic)
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| | Re: MOC: KONECRANES 60 ton Container Crane - Prototype Complete
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|
Hi everyone, (2 URLs) I have now finished the description of my project of the Container Crane, please visit my site and read more about it, including a lot of pictures and videos. (URL) Welcome on my site, Anders Gaasedal - LEGO Mobile Cranes (20 years ago, 30-Sep-04, to lugnet.technic, lugnet.modelteam, FTX) !
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| | Dennis Bossman's crane
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|
I made a mistake the last time I posted a message. I used the word "better." There is not any such thing as better when it comes to legos, only "different." Sorry for the confusion. "RoscoHead" has a nicely built 5-meter-high crane posted on (...) (20 years ago, 30-Sep-04, to lugnet.technic)
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| | Re: Does anybody know the story behind 8847?
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(...) Or, maybe they just ran production on 8844 before 8847 & ran out of toggle connectors? :) No, your explanation makes sense (that they'd have switched the connection for durability reasons) but I'm left wondering why they'd have even used the (...) (20 years ago, 30-Sep-04, to lugnet.technic)
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| | Re: Does anybody know the story behind 8847?
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|
"Jennifer Clark" <jen@vulture.dmem.strath.ac.uk> schreef in bericht news:I4srzK.1pC6@lugnet.com... (...) and (...) As a matter of fact, this drawing of those multi part shocks, gave me the idea to build them at that time. Those BIC balpoints have a (...) (20 years ago, 29-Sep-04, to lugnet.technic)
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| | Re: Does anybody know the story behind 8847?
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|
"David Koudys" <dkoudys@redeemer.on.ca> wrote in message news:I4rqvD.2237@lugnet.com... (...) with the (...) changed (...) I'm almost certain it wasn't - I received this set when it was released and it had the one piece shocks in it. I did notice (...) (20 years ago, 29-Sep-04, to lugnet.technic)
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| | Re: Does anybody know the story behind 8847?
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(...) I think that's the main reason. The Technic Connector Toggle Joint Toothed (4273 (URL) is not a good part (the teeth are easily broken, the connexion is weak). Guys who have built the 8844 cockpit know that. That's certainly why this part has (...) (20 years ago, 29-Sep-04, to lugnet.technic)
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| | Re: Does anybody know the story behind 8847?
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|
"Robb King" <rk@KILLTHISrobbking.com> schreef in bericht news:I4sCMn.1puI@lugnet.com... (...) showed (...) the (...) on the (...) with the (...) changed (...) series? (...) then this (...) model (...) least) by (...) reason for (...) How about a (...) (20 years ago, 29-Sep-04, to lugnet.technic)
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| | Re: Does anybody know the story behind 8847?
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(...) So that means there's at least a history of TLG changing products between advertising and actually distributing them. Wonder if there's some kind of significance to that, within the 88XX series? For instance, some 8858's came with chrome taps (...) (20 years ago, 29-Sep-04, to lugnet.technic)
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| | Re: Does anybody know the story behind 8847?
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(...) I know that one of the supercars-- (URL) pictured on the box cover, and even in some of the instructions, just showed springs on axles for the rear suspension. The actual set, however, had the first generation technic shocks. You can even see (...) (20 years ago, 28-Sep-04, to lugnet.technic)
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| | Does anybody know the story behind 8847?
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|
I was putting together 8847 (Dragster, 1983) the other day and my instructions called for a universal joint to connect the two runs of the steering column. However, the main model picture, peeron inventory, and brickshelf scan indicate that a (...) (20 years ago, 28-Sep-04, to lugnet.technic)
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| | CG Lego Technics Cars
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I have found a cool computer generated lego pics on the net: (URL) M (20 years ago, 21-Sep-04, to lugnet.cad, lugnet.technic, FTX)
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| |
| | Re: Truck Drivetrains
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|
"Max Maxwell" <r33_v@yahoo.com> wrote in message news:I45xDK.1Hpo@lugnet.com... (...) a (...) would (...) it to (...) steered (...) hubs. (...) better out (...) If there is no way to increase the steering angle of these parts, all is not lost. If, (...) (20 years ago, 20-Sep-04, to lugnet.technic)
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| | My Experience Building Jin Sato's MIBO
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I'm sure MIBO is old news to many folks since this amazing robot dog was introduced by Jin Sato at least 5 years ago, but I figured I'd share my experiences with building MIBO for those folks who aren't familiar with MIBO or are still interested. (...) (20 years ago, 18-Sep-04, to lugnet.robotics, lugnet.technic, FTX)
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| | Re: SSClagorpion - Status Report
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|
(...) I'm interested in sticking with my own design, primarily because it is my design. You design is very compact and especially good looking though and I compliment you on it. Right now, propgress on SSClagorpion is on hold. My personal life is (...) (20 years ago, 18-Sep-04, to lugnet.technic)
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| | Re: SSClagorpion - Status Report
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|
In lugnet.technic, Eric Sophie wrote: <SNIP> (...) <SNIP> (...) Ok Is Kevin looking at using the Circa Brickfest compressor or the Design I gave him mid August for the compact 12 Pump Radial Comprressor? Just curious.. I was kinda hoping my design (...) (20 years ago, 17-Sep-04, to lugnet.technic)
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| | Truck Drivetrains
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|
Hi all, I am just starting on a large truck that will serve as a base for a crane arm. Anyway, I'm not too sure about what kind of drivetrain setup would offer the best combination of traction and a small turning radius. I want it to have 3 axles (...) (20 years ago, 17-Sep-04, to lugnet.technic, FTX)
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| |
| | Re: 8378 info
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|
Hello Peter, "Peter Ehrlich" <peter@dairysight.com> schreef in bericht news:pan.2004.09.15....ght.com... (...) This is not a deal... The Dirt Crusher is a "real RC vehicle, running on a 7.2 volt racing pack battery, has suspension and a decent motor (...) (20 years ago, 15-Sep-04, to lugnet.technic)
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| | Dennis Bossman's crane
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I think that truck and crane is better than any of the ones on the brickshelf site. I can't say that I have enough money to buy it, but I like it. Does the trailer detach in the front to load the crane? You might like some of my projects. (URL) (20 years ago, 15-Sep-04, to lugnet.technic)
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| | New member Nathan Bell
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Hi. I just got an account 2 days ago and wanted to say Hi to everybody. I am user Radarbell on the brickshelf site. You can email me at Radarbell@hotmail.com. (20 years ago, 15-Sep-04, to lugnet.technic)
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| | Re: 9 Volt output
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|
(...) This is a good tip, I will try it on my (fairly heavy) bus. (...) -- Peter ---...--- Only when you try to build with Mega Bloks or you try to make a Lego compatible cutting board do you realize the tremendous quality of Legos. Peter Ehrlich (...) (20 years ago, 15-Sep-04, to lugnet.technic)
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| | 8378 info
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|
In tin the latest catalog there is 'Red Beast RC' set 8378 for 39$. Is this a mistake? the last 'Dirt Crusher RC' cost about 139 is this a deal of a lifetime or justjust not as good of an rc? (20 years ago, 15-Sep-04, to lugnet.technic)
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| | Re: Menck M154 excavator on scale 1:13
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Hi Dennis It's good to see that you found the time to put an english description of your Menck online - great model! After I took the pictures of my Mountaineer and the T 282 outside I must say that everything else just isn't the right thing for a (...) (20 years ago, 13-Sep-04, to lugnet.technic, lugnet.modelteam, FTX)
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| | Re: Menck M154 excavator on scale 1:13
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|
(...) Hi Dennis, I guess a lot of us have been waiting for the description of this fantastic model. Once again you have shown us, that nothing is impossible. Congratulation to this very fine detailled model. And the photowork is very nice, the (...) (20 years ago, 13-Sep-04, to lugnet.technic, lugnet.modelteam, FTX)
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| | Re: Menck M154 excavator on scale 1:13
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|
(...) Wonderful model, Dennis! Like I said on Lowlug, I really like the bucket, and it looks fantastic with the Scania low-loader. One thing I'd say though is that the geared motors aren't all that bad - (URL) my CC2800> uses a single geared motor (...) (20 years ago, 11-Sep-04, to lugnet.technic, lugnet.modelteam, FTX)
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| |
| | Re: Menck M154 excavator on scale 1:13
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|
In lugnet.announce.moc, Dennis Bosman wrote: <snip> (...) Very nice!!! This is a great, professional-looking model. Outstanding work, Dennis! It really looks great on the Scania LS111. The detail in the model is great. It looks so real, especially (...) (20 years ago, 11-Sep-04, to lugnet.technic, lugnet.modelteam)
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| |
| | Menck M154 excavator on scale 1:13
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|
Three months ago I added a (URL) new model> to my website. (URL) Eventually I found some time to finish my story about the Menck excavator. I also made same extra pictures in a quarry about which I'm very satisfied. It was the first model which I (...) (20 years ago, 11-Sep-04, to lugnet.announce.moc, lugnet.technic, lugnet.modelteam, FTX) !!
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| |
| | Re: RC racer sets
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|
Hello to you all, "Eric Kingsley" <kingsley@nelug.org> schreef in bericht news:I28vpH.10IH@lugnet.com... (...) Dirt (...) suspension (...) experience (...) only (...) flexible (...) that (...) about (...) you (...) hand, if (...) 8369. (...) It is (...) (20 years ago, 10-Sep-04, to lugnet.technic)
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| |
| | Re: New MOC: large crane
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|
(...) Hi Anders and All, I'm working on an updated page for the crane. I've got some pictures of it setup at my office (it was up for an entire week), including a 2.5KG lift. I also want to take some pictures of the 6 modules that make up the (...) (20 years ago, 9-Sep-04, to lugnet.technic)
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| |
| | Re: Re-Re-Release: Pneumatic Front-End Loader
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|
(...) This set is in the Fall S@H catalog and also online at US S@H for pre-order. Maggie C. (20 years ago, 9-Sep-04, to lugnet.technic)
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| |
| | Re: New MOC: large crane
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|
Hi David, I just saw your description of the amazing crane you have managed to create. Great job, and very nice use of large turntables. I hope to see more details of the crane in the future, good luck. Best regards from Denmark, Anders Gaasedal (...) (20 years ago, 9-Sep-04, to lugnet.technic, FTX)
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| |
| | Re: 9 Volt output
|
|
(...) Stronger :-) (...) That depends on the capacity of the batteries, normally given in mAh. AAs have more capacity than block batteries. (...) The more voltage the faster the unloaded motor runs, so then alkalines give you more speed than NiMHs. (...) (20 years ago, 8-Sep-04, to lugnet.technic)
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| |
| | Re: 9 Volt output
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|
(...) Faster, and all other things being equal, shorter. >> Mark (20 years ago, 7-Sep-04, to lugnet.technic)
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| |
| | Re: 9 Volt output
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|
"Juergen Stuber" <juergen@jstuber.net> escreveu na mensagem news:86d60y584d.fsf@...ber.net... (...) about (...) power (...) OK, But what does it really means? If the current is high, the motor will run faster, or longer? In this tree cenarios: - (...) (20 years ago, 7-Sep-04, to lugnet.technic)
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| | Re: 9 Volt output
|
|
Hi Patrick, (...) the RCX has a current limitation per output of 550mA and can provide only 330mA mean motor current according to the data sheet of the motor driver. For the battery boxes it depends on the batteries, the lower internal resistance (...) (20 years ago, 7-Sep-04, to lugnet.technic)
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| | Re: 9 Volt output
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|
(...) The difference is the amount of current provided - all can provide 9V, but each has a different current limit. The amount of power delivered to an electrical device depends on both the voltage and the current (in equations, P=I*V). The battery (...) (20 years ago, 7-Sep-04, to lugnet.technic)
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| | 9 Volt output
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|
Hi people, Can anyone explain in detail the difference (Or point where I can read about it) of using this power sources: 9 Volts AA LEGO battery box (6 batteries) RCX motor output (6 batteries) 8475 (RC Buggy) RC Unit (6 batteries) 9 Volt battery (...) (20 years ago, 7-Sep-04, to lugnet.technic)
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| | Re: Mars rover motorized
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|
Of course, its possible to put the RCX into it, because all the motor stuff is at the bottom of the chassi. I am really not good with the finishing of my projects, but i will try hard to put the solar panels in it. The main goals I achieve in this (...) (20 years ago, 7-Sep-04, to lugnet.technic)
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| | Re: Mars rover motorized
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|
(...) Specifically, people have been interested in building an RCX into the base, as there were supposedly hints that this sort of modification was kept in mind during the design process. I remember seeing a few people post that this requires a lot (...) (20 years ago, 7-Sep-04, to lugnet.technic)
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| | Mars rover motorized
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|
People, I do know that a lot of people is interested in put some motor in the 7471 (mars rover) model. Here is my final project with this kit and the RC Unit from (8475 Race Buggy) implemented. Also I put some light and a wireless camera. (URL) tell (...) (20 years ago, 6-Sep-04, to lugnet.technic)
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| |
| | Re: SSClagorpion - Status Report
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|
During Brick Fest 2004, the 3 Masters of the SSlagorpion got together for lunch to discuss the current state of the project. Kevin showed us his awesome radial compressor during his demos. Steve spoke to us during lunch about logic control and (...) (20 years ago, 4-Sep-04, to lugnet.technic)
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| |
| | Re: Re-Re-Release: Pneumatic Front-End Loader
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|
(...) Yep, check the Fall catalogue at S@H, it's in there. Quite a nice set this is, but surely Lego, time for another re-release? Duq (20 years ago, 3-Sep-04, to lugnet.technic)
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| | Re: Best Mecha & Bionicle Awards Brick Fest 2004 (My Report)
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|
(...) I think that number exceeds the age of the universe in seconds. BrickFest is a "mere" 496,800 minutes away! -Ted (20 years ago, 2-Sep-04, to lugnet.events.brickfest, lugnet.build.mecha, lugnet.technic.bionicle, FTX)
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| | Best Mecha & Bionicle Awards Brick Fest 2004 (My Report)
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|
I'd like to take this opportuity to point out this year's Best Mecha Awards for (URL) Brick Fest 2004>. (URL) The SciFi: Mecha/Bionicle Room was attended by many Fest goers and was populated by some great Models. During Sunday; the day the public (...) (20 years ago, 2-Sep-04, to lugnet.events.brickfest, lugnet.build.mecha, lugnet.technic.bionicle, FTX) !
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| | Re: New MOC: large crane
|
|
(...) As others have noticed, the sprocket gears on the crawlers are great! Nicely done. -TJ (20 years ago, 1-Sep-04, to lugnet.technic)
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| | Re: New MOC: large crane
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|
(...) Hey that is spectacular. Big Big Big. Awesome how you used technic turntables for the tread drives. Nice solution. The height is impressive as is the cable guides and technic structure throughout. Great job! e (20 years ago, 31-Aug-04, to lugnet.technic)
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| | Re: electric pneumatic valve actuators?
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|
(...) Joe, I have developed an air solenoid solution that is almost ready for market. Look at (URL) send me a note if you are interested. (20 years ago, 27-Aug-04, to lugnet.technic)
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| | Re: TJ's 10 Story Crane
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|
(...) Ah, finally! Someone noticed my new crane :-) I missed everyone this year! Sorry I couldn't make it, but rest assured, I'm still in the crane-building business. -TJ (stuck in Houston) (20 years ago, 27-Aug-04, to lugnet.technic)
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| | Re: electric pneumatic valve actuators?
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(...) In my Injection Molding Factory I have built the equivalent of an electrically operated 3-way spool valve. It's expensive. I spent much time trying to simple it up, but a 3-way valve is not easy. Look here: (URL) the same page there is a cute (...) (20 years ago, 27-Aug-04, to lugnet.technic)
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| | SHOTTLE!
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Are you a minifig who dreams of the stars, but is stuck living on a down-to-earth budget? "Why, yes, I am!" Are you tired of spending your hard-earned credits booking passage on noisy and uncomfortable inter-planetary public transportation? "Boy, am (...) (20 years ago, 27-Aug-04, to lugnet.space, lugnet.technic.bionicle, lugnet.announce.moc, lugnet.build, FTX) !!
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| | Re: electric pneumatic valve actuators?
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(...) Sounds cool -- that's the sort of thing I had in mind, though I couldn't find solenoid valves for less than $70 or so, which is just too much. A reasonable price in my book would be something like $10 per valve, or if it's already adapted for (...) (20 years ago, 27-Aug-04, to lugnet.technic, lugnet.robotics)
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| | Re: electric pneumatic valve actuators?
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(...) I've always thought a valve with similar form factor to a large cylinder, that works like a steam engine valve (URL) would be really nice. It would probably have significantly less resistance than a standard LEGO valve, and more importantly, (...) (20 years ago, 27-Aug-04, to lugnet.technic)
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| | Re: electric pneumatic valve actuators?
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(...) I got thinking about this. My first thought was to use a worm gear and a slip gear to pinch and unpinch the tube. This would probably work, but would not give you what you want. You need a valve that will exhaust the flow to a different path (...) (20 years ago, 26-Aug-04, to lugnet.technic)
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| | Re: electric pneumatic valve actuators?
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(...) What do you feel is a reasonable price? In the next week or two I should have the first prototype built of a pair of commercial solenoid valves adapted for LEGO/RCX usage. They'll be 9v, and around 1.1 watts. It will be 2 3-way valves, one for (...) (20 years ago, 26-Aug-04, to lugnet.technic, lugnet.robotics)
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| | TJ's 10 Story Crane
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Since TJ could not attend Brick Fest 04 this year, he send his new crane for display. It was so large we had to set it up in a vacant lot down the street from Rocklands so we could compliment it from the patio. (URL) e (20 years ago, 26-Aug-04, to lugnet.technic, FTX)
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| | Re: electric pneumatic valve actuators?
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(...) How about one operated by folding or bending the pnematic tube itself (the same way you can kink a garden hose to turn it off temporarily while waiting for your sister to come around the corner of the house and... oh, never mind). I suspect (...) (20 years ago, 26-Aug-04, to lugnet.technic)
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| | electric pneumatic valve actuators?
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I've been thinking a lot lately about electrically activated (as opposed to manual) pneumatic valves. I've seen several designs on the net where someone has taken a regular LEGO manual valve, and attached a motor. That's clever, but I'm wondering if (...) (20 years ago, 26-Aug-04, to lugnet.technic, lugnet.robotics)
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| | Re: How to get non-circular movements?
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Hello, A very simple way to produce an elliptical motion is to start with a circular motion and use a lever system to increase the travel on one axis but not the other. Here are a couple of links to some walkers I've made as illustrations: (URL) (...) (20 years ago, 25-Aug-04, to lugnet.technic)
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| | Re: Review: 8436 Truck
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(...) Heheheh. When I wrote the review 1999 was nostalgic enough for me, even though I do have two sets (8855,56) from 1990s. I must be in my second life. :) Keith (20 years ago, 25-Aug-04, to lugnet.technic)
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| | Re: How to get non-circular movements?
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(...) as used in the legs of the [LEGOSet 9754] I have reproduced a basic version: (URL) ROSCO (20 years ago, 24-Aug-04, to lugnet.technic, FTX)
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| | Re: How to get non-circular movements?
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"Joe Strout" <joe@strout.net> wrote in message news:I2x55x.Dt6@lugnet.com... (...) to my (...) this (...) some multiple joins allow to create what you want there are many examples how to create sophisticated moves using joined vectors (for me they (...) (20 years ago, 23-Aug-04, to lugnet.technic)
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| | Re: How to get non-circular movements?
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(...) In a stange tie in, I remember seeing a elliptical lathe on an episode of the New Yankee Workshop (a PBS woodworking show). A quick google search turned (no pun intended) up the following: (URL) (20 years ago, 23-Aug-04, to lugnet.technic)
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| | Re: How to get non-circular movements?
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(...) question at any of them, as far as I can see. Could you elaborate on how this applies? Thanks, - Joe (20 years ago, 23-Aug-04, to lugnet.technic)
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| | Re: How to get non-circular movements?
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(URL) regards pixel (20 years ago, 23-Aug-04, to lugnet.technic)
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| | Re: How to get non-circular movements?
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(...) Ah, I see. The pivot point must be free to slide on the arm (er, vice versa) as well. I think that's the key bit I was missing last night. (...) devices in my Technic models. Best, - Joe (20 years ago, 23-Aug-04, to lugnet.technic)
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| | Re: How to get non-circular movements?
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(...) (rather than operated by hand) will be nontrivial. But should be possible. Thanks for the pointer! Best, - Joe (20 years ago, 23-Aug-04, to lugnet.technic)
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| | Re: pneumatic help
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(...) Hi Vineet, I'll see if I can help. Your desciption "control four pneumatic pistons individually, and simultaneously having them controlled by one master switch" does not seem to match the second diagram. The primary reason is that you have (...) (20 years ago, 23-Aug-04, to lugnet.technic)
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