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Found 31 results

  1. Introduction: For this contest, I wanted to model a piece of hydraulic equipment that uses a manual pumping action to manipulate the hydraulics. This would give the Technic model a natural look and feel when using the manual hand pump to activate the pneumatic cylinder(s). After much thought and searching, I landed on a hydraulic scissor lift cart. This piece of equipment will require the three main components of the Technic pneumatics system, should be compact requiring interesting mechanisms utilizing the pneumatics, and has a added bonus of being something that is rarely modeled (are there any others?) hopefully making this contest entry slightly unique! Here are some pictures I will use for my inspiration: Plan: I plan to break this model into four distinct builds: General Frame, including caster wheels and handle bar for pushing cart. Scissor lift mechanism to raise and lower the cart table using a pneumatic cylinder. Foot pump mechanism that uses the manual pneumatic hand pump to cause the pneumatic cylinder to extract. Hand brake lever mechanism that moves the pneumatic switch to cause the pneumatic cylinder to retract (based on gravity, not air pressure). Anticipated Challenges: Keeping the mechanics of all the pneumatics into a low profile so that the cart table is a low as possible when all the way down. The sliding mechanism of the scissor lift. I am not sure how to best model this and keep everything stable and strong. Translating the vertical foot pump action to a horizontal stroke that is strong and long enough to depress the pneumatic hand pump while keeping it low profile. Operating the pneumatic switch located in the cart base via a lever on the handle bar. I am currently thinking that this might be good use of the flex system! Issue here will be having enough travel to successfully move the switch far enough. Also need the mechanism to include a spring to return the lever back to initial position. Build: Part 1: General Frame Here is my initial prototype to set a standard for size and to use as a base for the different mechanisms. Part 2: Scissor Mechanism Part 3: Foot Pump Mechanism Part 3: Hand Lever Mechanism Final Model: Video:
  2. Greetings All, Apologies for being very late to the party, but the TC10 pneumatic competition brings together my favourite parts of what technic is all about and I really wanted to contribute. A number of years ago I had to good fortune to come across a big bunch of pneumatic parts. Having worked on all sorts of pneumatic based MOC's my beloved wife put out the challenge to build her a steam train thus beginning a five year odyssey before finally arriving at the model I present to you all today. Creating a genuinely functioning Lego Pneumatic Locomotive has been a real challenge, searching the internet brings up very few examples. Creating a valve assembly that is both functional and reasonably robust within the confines of lego has proven quite the challenge. Rather than completely reinventing the wheel, I have based my model on a simplified version of Walschaerts Valve Gear that was used on many steam trains through history. I set out at the start of this competition to make a fully reversible valve gear as per the real thing but it proved too much of a challenge at this stage - see how the next few years pans out. The Model: Classic 4-8-2 locomotive configuration using 62.4 tyres for driving wheels old style clear pneumatic cylinders for drive old style pneumatic valves Six manually operated pneumatic pumps - this thing need lots of air. All parts use are original, unmodified, genuine Lego items. The reason I have used "old" style valves is that they are the ones that I could find with minimal resistance, allowing the whole system to function property. Starting with the final result for those of us into instant gratification; This is the final interpretation of my pneumatic locomotive. I will, however make you scroll further for the video. The key to the success of this model is has been in effectively copying the principals behind the walschaerts valve system where the throw of the valves is delayed by the eccentric on the main driving wheel. It is only once the piston ( pneumatic cylinder) has reached the end of it's stroke that the valve is thrown in the opposite direction to push it back the other way. The two valve trains on either side of the loco are offset by 90 degrees so that they "help" each other past the dead spot at the limits of each cylinder's stroke. No matter what I tried, the fundamental principal was "More Steam Coalmam!' In manual form, 6 pumps are required to provide adequate air supply. Four air reservoirs for the testing phase and three in the final model smooth the pulses from six manual pumps to a point that we have reasonably smooth motion. Lucky last, a brief video showing how it works. I'll try to post an ldraw of the basic mechanism in the not too distant future but instructions are well outside my current skill set. If you've got this far, thanks very much for taking the time, I hope it's proven interesting. The Brown Hornet
  3. Dear all, For the pneumatic contest, I've built a huge robot called ''Nemesis''(from the ancient greek goddess) and I would like to share it with you. Nemesis has 22 pneumatic functions operated by a double compressor. All pneumatic valves are operated only manually according to the competition. Has a weight of 8kg and consists of 8000 lego technic bricks. Total air cylinders : 26 large 11 mini The compressor uses 2 large pneumatic pumps operated by a PF XL motor. The maximum pressure that can be reached by this pneumatic system is 28 psi with fresh batteries. Due to more than 30 pneumatic ''T-air pieces''pressure cannot reach a higher level because there is a huge drag and the XL motor has no power to rotate more. The length of pneumatic tubes are between 0.5 and 1.5 meters long. Due to the large hoses, large air storage is needed because there is a lot of air loss in the system. The air of the whole system is stored inside 2 lego air tanks (although the system needed far more) : The compressor has an auto-pneumatic switch using a large cylinder, which turns the air engine off when the pressure reaches 24 psi. A manometer is used for showing the air pressure at any time. Functions : Nemesis has 2 arms. The bigger front arm has 15 pneumatic functions and the small back arm has 5 pneumatic functions. The small back arm has the following movements : a) small gripper b) elbow1 c) elbow2 d) shoulder e) shoulder rotation The huge front arm has the following movements : a) large gripper, operating 10 fingers independently having 2 mini cylinders each b) wrist, operating 2 functions (up-down and turning) c) elbow d) shoulder e) shoulder turning Besides, the robot has 2 more pneumatic functions : 1) Face movement 2) A third gripper which is mostly for fun (e.g. for scaring house cats) Here is the video of the project : Thanks for watching Good luck to everyone!
  4. TECHNIC PNEUMATIC CONTEST 1st MTS Dino 5 on a Arocs Longnose by Efferman Entry Topic - Discussion Topic 2nd Backhoe by Lipko Entry Topic - Discussion Topic 3rd Vermeer TS44A Tree Spade Trailer By Milan Entry Topic - Discussion Topic CONTEST INFORMATIONName: Technic Pneumatic ContestStart Date: 16-08-2016Entries: 37Valid voters: 140Total points: 3640Members participating (building and/or voting): 155WINNERS1. MTS Dino 5 on a Arocs Longnose - 581 Points (78 votes) Efferman (entry 1)2. Backhoe - 424 Points (73 votes) Lipko (entry 20)3. Vermeer TS44A Tree Spade Trailer - 227 Points (48 votes) Milan (entry 25)CONTEST RESULTS1. MTS Dino 5 on a Arocs Longnose - 581 Points (78 votes) Efferman (entry 1)2. Backhoe - 424 Points (73 votes) Lipko (entry 20)3. Vermeer TS44A Tree Spade Trailer - 227 Points (48 votes) Milan (entry 25)4. Little Bulldozer - 203 Points (50 votes) Appie (entry 3)5. Customs Checkpoint - Toll Road - 180 Points (32 votes) Paul Klop (entry 16)6. Liebherr 914 Compact excavator - 165 Points (40 votes) mpj (entry 12)7. 4-8-2 Pneumatic Locomotive - 145 Points (34 votes) The_Brown_Hornet (entry 32)8. Ikarus 280 Non-Articulated Bus - 133 Points (36 votes) josszo (entry 6)9. Mini Underground Mining Loader - 125 Points (31 votes) Tamas Juhasz (entry 34)10. Mercedes Atego Side Loaded Recycling Truck - 124 Points (33 votes) RabbiT_CZ (entry 21)11. Dancing Clone Trooper - 115 Points (29 votes) BusterHaus (entry 17)12. Snow Groomer - 110 Points (31 votes) Wiseman_2 (entry 19)13. LEGO Front Loader Garbage Truck - 107 Points (37 votes) Minique85 (entry 11)14. Pneumatic Rock Loader - 92 Points (23 votes) desert752 (entry 30)15. Pneumatic Scissor Lift Cart - 88 Points (28 votes) lindr6 (entry 5)16. Lil Excavator - 88 Points (24 votes) jono.rocky (entry 9)17. Heavy Lift Telehandler - 82 Points (21 votes) luukietechnic (entry 33)18. Man TGS 6x4 With Container Hook - 76 Points (20 votes) Ti-Max (entry 27)19. Scraper Caterpillar - 64 Points (18 votes) juGSI16V (entry 4)20. Useless Box - 62 Points (17 votes) GroundskeeperWillie (entry 24)21. Volvo Handler - 60 Points (16 votes) steph77 (entry 22)22. Box Factory - 60 Points (14 votes) Ludo Visser (entry 23)23. Pneumatic Classic Locomotive - 56 Points (22 votes) Samer (entry 36)24. Side Loader Garbage Truck - 46 Points (14 votes) Paave (entry 15)25. Concept Bulldozer - 41 Points (10 votes) Thirdwigg (entry 31)26. Log Skidder - 35 Points (12 votes) nikolyakov (entry 37)27. Pneumatic Lift GBC Module - 32 Points (7 votes) Captainowie (entry 18)28. Volvo EW180e excavator - 21 Points (5 votes) Technivor (entry 10)29. Grabber Excavator - 21 Points (7 votes) HorcikDesigns (entry 14)30. Front Shovel Mining Excavator - Liebherr R9800 - 17 Points (8 votes) falconluan (entry 13)31. Pneumatic press - 16 Points (5 votes) roppie11 (entry 7)32. AmphiTruck - 13 Points (3 votes) cyberdyne systems (entry 2)33. Car Transporter - 9 Points (4 votes) Offroadcreat1ons (entry 28)34. Genie Man Lift - 9 Points (5 votes) gmshades (entry 35)35. The Claw - 7 Points (3 votes) Seasider (entry 8)36. Telescopic wheelloader - 4 Points (1 votes) nick97 (entry 26)37. Small robust compressor - 2 Points (1 votes) 9v System (entry 29)Total Points: 3640VALID VOTERS1. 9v system2. AdamL3. agrof4. AkiyamaWataru5. Alasdair Ryan6. alenvprekrsku7. allanp8. aminnich9. AndroTech10. AOW11. arik12. braker2313. Brickis38542f14. brickless_kiwi15. brunojj116. BusterHaus17. Captainowie18. carebear19. carver051020. cehtunger21. Chade22. Charbel23. chi6524. Chilly25. cookiedent26. Dave2127. dernorden28. desert75229. dokludi30. DTom31. Edwin Korstanje32. efferman33. Erik Leppen34. filsawgood35. Focus36. GBCPeter37. GBTechnic38. GI_Jack39. gmshades40. Good old Lego builder41. GroundskeeperWillie42. grum6443. HallBricks44. Hefe45. Hersbrucker46. higgins9147. HorcikDesigns48. Interceptor49. Ivka50. Jarema51. Jay Psi52. Jeroen Ottens53. jgw54. JGW300055. JJ256. Jonfensu57. jono.rocky58. jorgeopesi59. jotta9360. Jubuilder61. juGSI16V62. Juize7563. JunkstyleGio64. Jurss65. KikoTube66. kinggregus67. Kippo68. kjm16169. Kmuffin70. Krall71. krisandkris1272. kubic73. Lego Nerd74. legolijntje75. Leonardo da Bricki76. Lipko77. Lucio Switch78. LucyCol79. Ludo Visser80. luukietechnic81. LXF82. Madoca 197783. madsen199784. MajklSpajkl85. majusnica86. MangaNOID87. Mark27588. Meisterschnorrer89. micek90. Minique8591. mixlaproduction92. model85093. Morgoth92494. muffinbrick95. mutaling96. mzoli97. mzzl8898. Nalyd99799. naugem100. Nequmodiva101. nerdsforprez102. nick97103. Nightfall104. nikolyakov105. NXT45106. Offroadcreat1ons107. omardib21108. parngon109. Pat-Ard110. Paul Klop111. paul_delahaye112. pet-tho113. PiotrekJ114. PistenBully 600115. proran116. pyro690117. RabbiT_CZ118. Rail Co119. Rainbow120. Renji888121. Rishab N122. Rockbrick123. Samer124. Samolot125. Sarmatian126. schraubedrin127. Seasider128. sebitsena129. SERVATOR130. SilentWolf131. steph77132. Technivor133. The_Brown_Hornet134. Thirdwigg135. TinkerBrick136. Tomik137. Tommy Styrvoky138. WilrickB139. WvG_853140. zuxINVALID VOTERS1. Bartybum - Did not allot all 26 points
  5. TECHNIC PNEUMATIC CONTEST By popular demand the next Eurobricks Technic Contest is all about Pneumatics. The new Volvo EW160E has been released recently, so it seems like a logical moment to focus on Pneumatics. In the past we've had several great Pneumatic models and recently we kind of lacked a nice manually operated model. TLG stepped up and released the Volvo. They even created a new hand pump for this model. So Pneumatics V2 is very much alive! DESCRIPTION Design a pneumatic model operated by one or more hand pumps and/or one or more (PF) motors powering one or more pneumatic pumps. So you can use motors as long as they are used to drive a pneumatic pump. They can't be used for other functions (not even to operate a pneumatic switch). There's no limit on the number of hand or motorized pumps and you can use. Third party hosing, strings and rubber bands are allowed. No other 3rd party parts. LEDs (and other LEGO lights) are permitted when you are using one or more motorized pumps. Since this contest is all about Technic and Pneumatic, Model Team entries are NOT allowed. A studded model is okay (like the excavator in the picture) but don't turn it into a Model Team entry. DEADLINE Deadline date is Monday 31st of October, 2016. Contest will be closed on Tuesday 1st of November, OR LATER. Disclaimer: I will close the contest when I see fit and when I have the time to process the results. This can be later than the deadline date. Please don't complain about this not being fair and all. RULES AND REGULATIONS The following section describes the contest specific and general rules and regulations. But before that, please take notice of a simple motto regarding the Eurobricks Contests: CONTESTS ARE FOR FUN! Of course there's competition, but at the end of the day, LEGO is just a hobby and the main goal for each of us is to have fun! CONTEST SPECIFIC RULES AND REGULATIONS Model Team entries are NOT permitted. Studded is okay, but no model team. One or more PF motors ARE permitted as long as they operate pneumatic pump(s). You CAN combine hand pumps and motorized pumps. Umbilical cords for hand pumps, switches or other operations ARE permitted. You can use ANY type of motor, as long as it's operating a pump. PF or other motorization is NOT permitted for non pump functions (not even operating a pneumatic switch). LEDs (and other LEGO lights) ARE permitted ONLY in combination with a motorized pump. There is NO limit on the number of pumps or pneumatic cylinders. 3rd party strings, hoses and rubber bands ARE permitted. Other 3rd party parts are NOT permitted. Linear actuators are NOT permitted. Electronics (PF elements used for non pump functions, SBricks and Mindstorms) are NOT permitted. Pullback motors are NOT permitted. There is NO size limit. GENERAL RULES AND REGULATIONS The contest is open to all EB members (also new members). Members who joined EB after the start of the contest can be banned from voting (when vote rigging is suspected). Voting rules will be explained later in the voting topic. One entry per member. Entries need to be new (never posted anywhere previously or shown at an event/LUG meeting). Only physical builds, so no LDD or other virtual entry. If you have any doubts about the suitability of your entry contact me, or Milan. All entries are to include only real LEGO. No clone brands, 3rd party parts, or digital entries allowed. Custom stickers are allowed. No cutting, sculpting or modifying parts. Entries are to be placed in the entry topic in this forum. Entries not in the entry topic are not eligible for voting. The entry post may be edited at any time up to the end of the contest, so feel free to make improvements if you wish. The contest might be closed later than the deadline. Don't complain about this not being fair. You have enough time to build. Don't ask for more time. We reserve the right to disqualify any entry that does not follow these rules. These rules can be changed whenever we see fit to ensure that people follow the intent of the contest. Staff members are Jim is not eligible for winning prizes. WHAT DO I NEED TO ENTER? All participant need to create a discussion topic and create a post in the entry topic. DISCUSSION TOPIC A discussion topic starting with [TC10]. A discussion topic needs to show some actual progress (i.e. pictures of the build in progress) and should NOT be used to "reserve an idea". ENTRY POST The entry post in the entry topic should contain: Entry name Short summary of the functions. One or more pictures Embedded video (mandatory) Link to the discussion topic PRIZES Prizes will be sponsored by the guys from Vengit (SBrick), for which I am of course very thankful. Keep up the good work guys. WINNERS The Top-3 contestants will receive a copy of the new Volvo EW160E! And of course they will be rewarded with a medal tag. CONTESTANTS Each contestant will be rewarded a pneumatic tag as well.
  6. TECHNIC PNEUMATIC CONTEST VOTING TOPIC This topic will be used as a voting topic for the Technic Pneumatic Contest. Voting will be open for at variable period of time. There's no fixed closing date. Closing date will most likely be somewhere between one and two weeks. VOTING RULES AND REGULATIONS Voting scheme uses the old Formula One style point distribution (10, 6, 4, 3, 2 and 1 POINT) You need to assign 10 points to the 1st place, 6 points to the second and so one. You need to vote for 6 ENTRIES (no more, no less) Clearly mention the ENTRY NUMBER and the NUMBER OF POINTS per entry that you vote on. If you joined Eurobricks after the start of the contest, you can be banned from voting (when vote rigging is suspected) You may NOT vote for your own entry. In the event of a tie for any place the Technic Staff will decide which entry wins. Our decision is final. Questions about voting can be asked in the Information Topic. For example (entries randomly chosen): --- comments can be placed above the votes 5: 10 (no comments here please) 6: 6 1: 4 9: 3 7: 2 3: 1 Or comments can be placed below the votes ---- NOTES Please use this exact notation NUMBER: VOTES (with a colon). Please don't type #1:10, 1 = 10 or 1) 10 or other notations. Stick to the example format shown above. Please use this thread only for voting. You may explain why you made your choice, but any general discussion should take place in the Information Topic. Comments should be placed ABOVE or BELOW the votes. Please don't comment on the same line as the votes. ENTRIES All entries can be found in the entry thread: Please visit the entry topic to see all entries. 1. MTS Dino 5 on a Arocs Longnose by Efferman 2. AmphiTruck by cyberdyne systems 3. Little Bulldozer by Appie 4. Scraper Caterpillar by juGSI16V 5. Pneumatic Scissor Lift Cart by lindr6 6. Ikarus 280 Non-Articulated Bus by josszo 7. Pneumatic press by roppie11 8. The Claw by Seasider 9. Lil Excavator by jono.rocky 10. Volvo EW180e excavator by Technivor 11. LEGO Front Loader Garbage Truck by Minique85 12. Liebherr 914 Compact excavator by mpj 13. Front Shovel Mining Excavator - Liebherr R9800 by falconluan 14. Grabber Excavator by HorcikDesigns 15. Side Loader Garbage Truck by Paave 16. Customs Checkpoint - Toll Road by Paul Klop 17. Dancing Clone Trooper by BusterHaus 18. Pneumatic Lift GBC Module by Captainowie 19. Snow Groomer by Wiseman_2 20. Backhoe by Lipko 21. Mercedes Atego Side Loaded Recycling Truck by RabbiT_CZ 22. Volvo Handler by steph77 23. Box Factory by Ludo Visser 24. Useless Box by GroundskeeperWillie 25. Vermeer TS44A Tree Spade Trailer by Milan 26. Telescopic wheelloader by nick97 27. Man TGS 6x4 With Container Hook by Ti-Max 28. Car Transporter by Offroadcreat1ons 29. Small robust compressor by 9v System (disqualified) 30. Pneumatic Rock Loader by desert752 31. Concept Bulldozer by Thirdwigg 32. 4-8-2 Pneumatic Locomotive by The_Brown_Hornet 33. Heavy Lift Telehandler by luukietechnic 34. Mini Underground Mining Loader by Tamas Juhasz 35. Genie Man Lift by gmshades 36. Pneumatic Classic Locomotive by Samer 37. Log Skidder by nikolyakov Good luck!
  7. Hello! My entry for the tc10 is an orange Man TGS equipped with a hook lift system and hopefully a trailer. For the moment the planed function are: -6x4 drive train -L6 fake motor -Tilting Cab -Hook lift system -Leaf spring suspension on all axles Here is what i got for today: Thanks for reading.
  8. Hello everyone, This is going to be (hopefully) my entry for TC10: Front Loader Garbage Truck Functions to be included: Two rear axle with differentials V4 or V6 engine Steering of course with HOG Independent suspension in front Rear axle suspension similar to AROCS Pneumatic pump via M motor or manual pump Pneumatic fork container lift Pneumatic container lift Pneumatic ejector Pneumatic door cover Pneumatic tailgate The picture below shows all the functions. Only the body raise will not be implemented (I'm out of cylinders). It will be a combination of V1 and V2 pneumatics. The scale will be similar to the AROCS, same wheels. And here is a quick prototype to check the feasibility of the front loader. I will post further progress once I get some time to work on it. Any recommendation welcome. Thank you.
  9. It's time for me to submit an entry for the TC10 contest. After toying with a lot of ideas, the idea of a concept bulldozer was the one I gravitated to. I had a lot of fun coming up with the esthetics. Hope you enjoy as well. Features: Power Functions Pneumatic Pump Blade Lift (2 Pneumatic Rams) Blade Tilt/Angle (2 Pneumatic Rams) Hood Opening (1 Pneumatic Ram) Ripper (1 Pneumatic Ram) Opening Driver Door 16 Cylinder Engine I'll post the video soon.
  10. [TC10] Dancing Clone Trooper Description I made a dancing Clone Trooper. The strings are moved by pneumatic cylinders, which are controlled by a custom joystick. Controls: Each leg up/down, independent Each arm left/right, independent Both arms up/down Powered by two L motors, driving two small compressors. Two air tanks are incorporated to make the controls more responsive. The video shows much more than any description ever will. Video Pictures
  11. Hi, all, I was planning to make a pneumatic front shovel excavator after buying 42053. Combining with the pneumatic parts of 42043, I'll have enough big cylinders for the excavator. It will be a pretty big one and fully RC is a good choice. Since this contest forbidding using PF other than driving the pumps, I chose to build a smaller one using the V1 pneumatic parts. Planned functions: 1 x L motor for pump(s) 2 x V1 big cylinders for the boom 1 x V2 thin cylinder for the stick 2 x V1 big cylinders for the bucket tilting The number of pumps and how to open the bucket are not decided yet. I aim to build this: Liebherr R9800, but it may end to a smaller type since that will look more proper at a small scale. The current progress: Advices are always welcome. Thanks for watching
  12. TECHNIC PNEUMATIC CONTEST CONTEST INFORMATION More information about the contest can be found in the general discussion topic. WHAT DO I NEED TO ENTER? Please take a careful look at the rules before posting in this topic. Each participant is obliged to create a post in this entry topic. Posts need to follow the rules stated below. Posts not following the rules will be disqualified so please read them carefully. ENTRY POST The entry post in this topic needs to contain: Entry name Short summary of the functions. One or more images (max 10) Video (mandatory) Link to the discussion topic IMPORTANT This topic should be used for entries only, so commenting is prohibited. Please use the general discussion topic for comments on the entries.
  13. Introduction Hello, I present to you, my new, first fully-finished MOC and entry to TC10: The 'pneumatic press'! About I wanted to participate in the contest, and it should not be a problem for me since i have 42043 with all it's pneumatics. I didn't want however to create another vehicle. I really like the Hydraulic press channel so i decided to make a hydraulic press, well a pneumatic press to be precise. So here it is. I am creating the discussion topic after the build but that is perfectly fine because i have progress pictures which i will show you. If you have suggestions for mods etc. you are free to suggest. There are for sure a few flaws which can be made better. so it has a few functions - You can move the platform to position your part (2 yellow knob gears). You can move it for-/backwards and sideways. - The yellow blast shield can be opened with a small pneumatic cilinder. - There is a big cilinder for pressing. All controls can be found at the front. For safety there is a blast shield, just like in real presses. Building progress I realised that i had to make progress pictures when i was here: I had then made the positioning and i added a pneumatic pump. I made the platform such that it can handle a lot of weight, well it remains ABS plastic but i made sure to build it such that it doesnt fall apart when there's weight on the platform. As said, you can move the white platform sideways and for/backwards. This is done with gear racks. one knob gear is moving with the platform (in one direction). I can make something so that it doesnt move but that would make my MOC even uglier and i don't think it is a real problem. My plan was first to put the pump in the top, so that the tubes dont have to go up the pump. Later, i realised that you need a control panel and that the switches have to be at the bottom. So i added the pneumatic pump at the bottom. I didn't like an exposed pump so i used a beam and a lever mechanism which you will see in a video further down, OR in the final entry video. My first function is the blast shield. It works pretty nice and the blast shield doesnt look that bad. What i don't like is that the supports stick out. The blast shield cant clap up 90 degrees, but i don't think that is needed and it would make it a lot more complicated. then i built the cilinder for pressing. It only has one attachment point so i had to make a frame such that it can't swing. the 4l axles, next to the pins, will later be replaced with 7l axles but you will see later on. This will be attached to the frame This cilinder also has to be connected to the switches and when all the tubing is done, the underside looks like this you can actually see that i had too little space for all the tubes so i gave him 4 feet (the LBG rims). then i need to do panels to work it off. You can see that i used some frames and beams to make the top part stiffer. between the black panels, come the grey panels which can fold out On top of that goes a cover which wont be attached with pins. This is so you can easliy see through and repair/change something. Now it is done, finished. here is one more picture The way the black panels are attached is really ugly. Then i built in in LDD, this way i can see exactly how it is made and where it is the weakest. file can be found at the bottom. While building i changed the model a bit. I replaced 2l pins with 3l pins. Red pins with axle connectors for regular pins, and added extra pins for more firmness. i also changed the way the black pannels are attached and i added a some beams. On the cover i added 2 red 5l beams so you can pick it up more easily. the final version is the one, made in LDD. Of course there are no pneumatics but it is pretty clear where they have to come. It is very good visible on the pictures. I couldnt find a few parts in LDD so i used something else. Updates/Changes Let me know what you think. What are good and what are bad things about it. Feel free to suggest changes because a MOC is never perfect. I haven't done measurements like part count weight, volume etc. but if you want to i can do that. does anybody know when i can enter my moc in the entry topic? Upgrade 1: post #13 I am not gonne upgrade the lxf file, maybe later. Here is the lxf file: pneumapress.lxf
  14. This is my entry for the long waited pneumatics contest. A forklift, that uses an i2 LPE with a pneumatic drive/reverse gearbox, pneumatic steering, fork lift with tilting and probably some other functions. The whole contraption will be powered from a buggy motor pump. and controlled through a tethered (with the tubes) remote. The forklift part The forks. The powerhouse, aka the LPE which to my knowledge the the most compact i2 with large cylinders. Now the Drive/Reverse gearbox. And it paired with the LPE Now the steering. And the whole chassis And finally the pump And now the controller; I have only completed one joystick (this one is the for steering and drive) More progress will follow in the next week. To view all the picture in their full resolution follow the link:
  15. Hi. With the quality of entries I've seen so far, I don't like my chances of winning, but it would be nice to get a badge! I'm going to use this contest as an excuse to redo a previous model of mine - a GBC module powered by pneumatics. This is what the old version looked like: I have used it in a previous display, but it has numerous shortcomings as a GBC module. The output is not in line with the input, violating the spec. It was what I needed at the time, but it's not suitable for general use. The output is impolitely high. Again, it was what I needed at the time, but I couldn't put this into a normal circuit. It would frequently jam. It spilled lots of balls. I will be using the same sequencing (basically the simplest alternating sequence possible). I had toyed with the idea of something more complicated, but 1) I couldn't get my head around how to make the sequence I wanted, and 2) it would have been too slow anyway. I probably won't make a compressor for this one, leaving it hand-operated. The idea being that in a display it can be somewhat interactive - the audience gets to power the Contraption (or at least some portion of it). Best of luck to all entrants! Owen.
  16. Hi! This is my first topic on the forum, I would probably not have posted at all if it weren't for the pneumatic contest. A combination of me seeing the 42053 EW160 and finding my old lego technic from late 90's and early 00's led me to this forum filled with nice people playing with arguably the most versatile toy ever. I'm a trained mechanical engineer, though not practicing my trade yet, and looking back I believe Lego Technic was one of the big inspirations that made me choose that career path. Back in the day I had (and still have) a 8459 pneumatic wheel loader, and now I was leaning towards buying the 42053 EW160. But why not test my skills (and luck?) by making a nice little MOC for the contest. Enough drivel about the good old days, over to what I've come up with so far. Please bear with me, I am aware that you guys are way better at this, have more parts at home etc. The point of this project was to make something that I actually wanted for my already existing sets without costing a fortune for me to buy and build. It's a trailer suitable for both the 8459 and 42053, inspired by the Swedish-made trailers from Metsjö. I wanted it to be more than just a regular trailer with tipping function, so I'm aiming for a two-step high tip function which raises the rear of the bed before tipping it. The tailgate is automatically opening and closing with the tipping, thanks to a lever on each side which are connected to the frame. The final "function", so far, is a parking support in the front. This is what I've come up with so far, I must say that LDD is really bad when you want to try the functionality of your model. I still haven't figured out how to make the pneumatic circuit work as intended. The goal is to put the main switch on the Digger/Loader/Tractor pulling the trailer, leaving the two-step function automated and built into the trailer. So when you pull the lever to tip your load, it first lifts the rear, then tips. I'm hoping that my old friends, the laws of physics, will solve this for me without the need of two extra switches on board to route the air, but I suspect that Murphy's law will decide my fate in the end. So what do you guys think? Too simple and easy? Too predictable? Put on a LA and paint it gray and you'll end up with half an Arocs? Awesome? Improvements? Other ideas? If the feedback is good enough I'll just have to convince my bank account that I need to make an "investment" or two on bricklink to build it IRL. There's still a lot of things that needs testing which is not possible in LDD, so I'm a bit scared that I will have bought a bunch of bricks that won't work... metsjo-trailer.lxf
  17. Here is my entry into the contest a tracked dumper with crane. Based off a Morooka/Terramac style crawler carrier platform. Planned Features - Pneumatic Dump Bed - Pneumatic Crane - Detailed Track System - Detailed Cab/Engine Compartment - Pneumatic Pump driven by M-Motor Build Progress Here are some photos of the undercarriage: The dump platform is based off the MB Arocs, but will be further modded to fit this build. Here is a mock up of the crane, based off MB Arocs/effermanns modded design. This will be changed almost completely since it is too large. The crane and dump section need to be redone since they copy an already built design. I just wanted to see how scale and function would work on the tracks. The track design took me a while to figure out since this is my first creation in Technic. I want it to be somewhat modular to help with installing Pneumatics. More to come...
  18. When TC10 was announced, I just had to come up with something. I didn't collect all those pneumatics for nothing...! However, due to work, I had very little time until now, but that gave me plenty of time to think about what to build when I would have time. I already saw a lot of great entries, and it was hard to come up with something original. It should have a sequencer, because I never built one before, except for the B-model of 8868 Air Tech Claw Rig. After much contemplation, I came up with the following (apologies for the crappy photo: it's late and the light is far from optimal): This is not a dinosaur. It is my prototype box factory. It will move boxes as shown in the front-right (2x2x2 studs) in a GBC-like perpetual motion. Or, that is the idea at least. In the back is a 4-step sequencer. Each cylinder toggles two switches, so that I can separate "logic air" from "work air". The contraption on the right is my "robot". The arm moves up and down, the whole thing can slide forward and backwards on the stands, and the "head", which contains the box, can rotate 90 degrees. The long 1x11 cylinder hanging from the back of the sequencer is going to push a box in the "head", and the small one is going to push it out again. So far, everything sort of works. The big challenge is to make sure that the robot completes his motions within one step of the sequencer. I plan to do this by putting a multi-pump compressor with one or two air tanks on the "work air" channel and a "weak", single pump compressor on the "logic air" channel. I hope that the beefy compressor will make the motions of the robot quick enough. The prototyping with two hand pumps seems to indicate it's feasible. So, I need to build two compressors, a guiding channel for the boxes to bring them from the dumping point back to the beginning, and prettify the whole thing. Four weeks to go, right? What do you think? Can it work? Any advice?
  19. Helly everybody, Here is my discussion topic for the TC10 contest. I have made a Heavy Lift Telehandler. I almost finished the model, but I will show the progress in steps. In this first post I will show you the chassis of the model. On this photo you can see the chassis with a box where the boom is going to twist. There are also two big v2 pneumatic cylinders to lift the boom. On the second photo you can see how I made the motor with a pneumatic pump. It was hard to fit both the motor and the pump horizontaly . If you have any tips or questions please post them here. This is the first time I'm making photos in this way, so if they are not so good give me some tips how I can improve the quality. I will soon give you an update of my build. ps: the stickers on the rear 7 beams are there because I haven't enough of these beams at the moment. Later you won't see these any more, because the boom is in there.
  20. Hello, here I am with my object for this contest, made myself a crashcars slash bumpercars, completly like in reality for transport, just 2 mm space between the trailer and wheelpart to get it out, then lowering and start building... I use the pumps instead of a cyllinderenginepump, duo the weigt of the roof when some weight on it, with 2 handpumps it goes faster.. the cyllinders you see are real lego technic but I bought them chromed at Aurimax at bricklink duo the fact that yellow is not my kind of colour and would be horrible to see in my bumpercars, I put a picture of it with the normal ones so you guys can witness it... so it contains: 4 cyllinders 4 cyllinder brackets 2 pneumatic switches 2 handpumps everything (exept the net offcourse) is lego, no fake lepin or 3th partiebricks... I just made a purple rooftop on it to be realstic, I'm breaking it off today so I will make a movie and post it tomorrow then on the entry forum, hope you guys like it,I know funfair is always a risky subject duo everyone making trucks and cranes... So I ope atleast someone enjoys it.. cheers picture of the chromed vs normal cyllinders... bussy with my roof.. close up from the cyllinders and from the engineview with handpumps
  21. Here is my idea for this comp. My excavator a going to be as small as I can get it with all functions inside of it so no external hose and pump. I'm not going to base it on a particular model but just get it to resemble something like one in general. I've started with the boom and dipper arm so here is my first concept, maybe it will stay like it but its early stages. Its 2 studs wide. The biggest challenge is the 3 studs of extension from the small cylinders and getting them to achieve more than that. Boom and dipper arm raised Boom and dipper arm reached down And Bucket to body All thoughts welcome.
  22. Hi to all, It was a lot of time to share something here, so TC10 contest is good opportunity. My entry is a log skidder with 4 pneumatic and 3 manual functions; - In-cabin steering via steering wheel - 4wd drive and fake 4 cylinder engine - Pendular front suspension - Front blade up/down with 1x5 piston - Boom section 1 up/down with 2 old pistons - Boom section 2 up/down with 2x11 piston -Claw open/close with 1x5 piston (also rotates with small turntable) I dont have a video yet but i will add later because i will not have time in workdays. I hope I can do next week. Comments and critics are welcome and good luck to all contestants :) 01e by nik 03e by nikolyakov, on Flickrolyakov, on Flickr 02e by nikolyakov, on Flickr 00e by nikolyakov, on Flickr 04e by nikolyakov, on Flickr 05e by nikolyakov, on Flickr 06e by nikolyakov, on Flickr 08e by nikolyakov, on Flickr 10e by nikolyakov, on Flickr 11e by nikolyakov, on Flickr
  23. Hi everyone, I figured I'd have a bash at this contest, so here's my entry: I decided to go with a Snow Groomer for this. It has six pneumatically powered functions, along with manually driven tracks: Raising and lowering of the front blade Tilting left and right of the front blade Adjust the front blade's wings Raising and lowering of the front end of the vehicle's undercarriage Raising and lowering of the rear tilling blade Raising and lowering of the tilling blade's smoothing plates and rollers All controls for these functions are in the rear bed. I opted for a manual pump rather than a motorized one, as the contest is, after all, pneumatically focused. All photos are on my Flickr, but I'm going to post them all here anyway as I doubt everybody will see them there. With front and rear blades lowered: With the front blade angled and the wings adjusted, and close in detail: With the front end of the undercarriage raised: And finally the detail of the rear blade: I'm currently in the process of putting together the video for this, hopefully should be ready in time for the deadline
  24. I've finished my entry recently and now video and photos are in process. So,here is little teaser.