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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...
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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.
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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
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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.