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Everything posted by Zerobricks
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Technic 2019 Set Discussion
Zerobricks replied to dimaks13's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I managed to build and record the replica of 42095, check it out here: -
I spent the whole night building the replica of ucoming 42095 42095 RC Tracked Racer and here are the results: Of course there are some minor differences compared to the upcoming set, mainly in the lack of correct rear sprocket wheels and mirror elements, but I think you can get a basic idea of what to expect from the set.
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Technic 2019 Set Discussion
Zerobricks replied to dimaks13's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I'd say it's about 1:10 scale, you can calculate from there. -
Technic 2019 Set Discussion
Zerobricks replied to dimaks13's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I am thinking how the large sprocket gears are powered by the 2L motors... The two motors are excentric, but wheels are centered, so maybe the large sporcket wheels have internal inside gears? EDIT after close examination I found 16 tooth gears. Porsche looks good, though wheels look a bit small inside the fender pieces. I am also affraid fender pieces will be printed... I dont expect a working gearbox in Porsche, thought I do see a U joint conencted to the steering wheels and springs... So basically same functionality as 42077 -
Having used the diagonal gearbox concept in my Dominator TRS and 10.000 Subscribers special Mashup models, I wanted to upgrade it and make it sequential. Due to the nature of the gearbox, I had to come up with a clever way to translate the rotational movement of the paddle shifter to the sequential movements required by this gearbox. This is what I came up with: Concept started with a basic diagonal gearbox with 6 gears: On top of that came the switching levers which are activated by the round wheels and centered with rubber bricks: In order to activate the switching levers in sequence, a switching axle was built using pulley wheels, which can be set up to activate any desired gear in it's 60 degree interval: Finally to switch the gears and to keep them in place a simple paddle shifter inspired by Chiron is used: Please check the video to see how it all comes together: For now this is still a concept, there is still an issue with levers sometimes staying in the gear, locking the gearbox. I think this is due to the nature of the rubber bricks and suggest using levers and rubber bands instead. I hope this concept will be useful not only for supercars, but also motorized models. If anyone has time and bricks to spare, I would like to ask them to give this concept a try and post feedback and improvements
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A big thank for all competitors and voters. The results are as following: 1.st Prize, 3x BuWizz goes to entry 15 - Lamborghini Miuara 2.nd Prize, 2x BuWizz goes to entry 5 - Lego Technic Turbo tractor 3.rd Prize, 1x BuWizz goes to entry 7 - RC Hot Rod - Mean Green Machine More info below: https://buwizz.com/small-car-competition-report/
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A big thank for all competitors and voters. The results are as following: 1.st Prize, 3x BuWizz goes to entry 15 - Lamborghini Miuara 2.nd Prize, 2x BuWizz goes to entry 5 - Lego Technic Turbo tractor 3.rd Prize, 1x BuWizz goes to entry 7 - RC Hot Rod - Mean Green Machine More info below: https://buwizz.com/small-car-competition-report/
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Thanks to everyone for the votes. Winners will be announced in the upcoming days, so stay tuned.
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Just a quick reminder that voting will end tomorrow, 8th at 23:59, CET. Best of luck
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Your entry was already noted in the voting topic :)
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Agreed, I think we should exclude votes from accounts with under 10 posts and/or younger than a month.
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I think any person with a bit of sportmanship knows the answer...
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This topic is dedicated to voting for the 3 winners of the BuWizz small car competition. Please ask any questions related to the competition in the following topic: Please only post your votes in this topic. Voting ends on 8th of November. Each user can assign points to 6 competitors using the following formula: Contestant 1 : 10 points Contestant 2 : 6 points Contestant 3 : 4 points Contestant 4 : 3 points Contestant 5 : 2 points Contestant 6 : 1 points  Example: 2 : 10 6 : 6 13 : 4 7 : 3 10 : 2 9 : 1 Entries: 1. The Shocker 2. LIME RACER 3. Amethyst: 4. Flipping Arrow: 5. Lego Technic Turbo Tractor: 6. Lego technic mini race truck: 7. RC Hot Rod - Mean Green Machine 8. Toyota Trueno 9. Gauge Stengal: 10. Ben's BuWizz small car: 11. Furious red monoplace: 12. Lancia Stratos: 13. Azure Arrow: 14. Trinus racecar: 15. 1969 Lamborghini Miura: 16. Red bullet: 17. Cuda 72:
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Just a quick reminder that tomorrow is the last day to post your entires. Good luck
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Hi, to clear up the questions You apply via online form on BuWizz site OR by posting your entry here on Eurobricks forums, since we are tracking both sites, either is fine. When all entries are gathered from both sources, they will be posted here on Eurobricks and voting will start. Competition is open to anyone, but it's not directly related to Eurobricks, we decided to use Eurobricks as a platform for voting.
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Good news everyone. We decided to give everyone a bit more time to polish their creations and videos, so the contest deadline will be extended until 31.10 at 23:59 CET.
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I would just like to remind and encourage everyone to hurry up with your entries, since competition is closing in a few days. Best of luck
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First if all I totally forgot to post this model here on the forum, guess better late than never Now to explain a bit about the motives behind this model before I go into specific details. Counter on my youtube channel was nearing 10.000 so I wanted to make something trully special. I was not sure what kind of a model I want to make, a sportscar, offroader, construction machine, so the decision came to MAKE ALL AT ONCE. The model would also incoporate ideas from the last decade of Lego technic product to go along with my 10 years on youtube. Starting with the design, the front end is heavily inspired by 42083 and 41999. Notice the front wheels are from 42056. The first motorized function is adjustable front suspension inspired by 8297: The front end can raise by 3 centiemetrs to allow the model to negotiate rough terrain. Continuing towards the cab, which was inspired by 41999, we can pop up the hood to find a green colored 10 cylinder engine inspred by 42030: Cab doors are inspired by the doors from 42069, which open at the angle. Opening the doors you can find a full interrior with two adjustable seats andworking steering wheel: In the center of the cab there is a gearbox which movel lineary to switch between 3+R gears using a special mechanism. This emchanisem translates the sliding action into usable inputs for the gearbox: Going further back, there is a section holding the battery box and, orange lever and utensils on the left side. I will explain the function of the orange lever later. On the opposite, right side there are 2 M motors powering all the motorized functions. Notice the mysterious red lever which is used for switching motorized functions. Notice the pump used to power the pneumatic functions. There are also two electric switches to reverse the two driving M motors. If we continue towards the back, we can see there is a pair of linear actuators used to manipulate the container. The red lever switches power from one of the M motor between the adjustable front suspension and linear actuators. But not only can the linear actuators tilt the container, but they can also pick up and load the entire thing. To switch between tilting or picking up, the orange lever is used to lock the individual segments of the lifting arm. This function is inspired by 8052. The arm can reach out and pick up the container with ease: If we continue and look at the photo of the back side you may notice a PTO output along with a strange mechanism with rubber bands: Same motor that powers adjustable front suspension, linear actuators also powers the PTO output via 24 tooth clutch gear. Notice that the PTO output uses a CV joint in order to slide the axles into it without friction. The rubber band mechanism is used to hold the rear attachment. This was inspired by 8110 and 42054. Here is a sum up the functions of the model so far: 1. Motorized functions Adjustable font suspension Tilting of the container Picking up and lifting of the container Pneumatic compressor and storage provided by two air tanks powered rear PTO 2. Manual functions: 10 cylinder engine powered via rear wheels through a 3+R gearbox 3+R gearbox Steering controlled by steering wheels inside the cab AND the light on the right side of the roof Openable doors Openable hood Adjutstable seats Independent front suspension Solid live axle assembly in the rear - inspired by 42043 Features: Both front axles are at a positive cats angle, allwing the fat Porsche wheels to self-center Due to the immense weight, each rear solid axle is supported by 4 yellow very hard springs The 3+R gearbox is derived from my diagonal gearbox featured in the Dominator TRS Due to its framed design the gearbox provides a very rigid backbone to the model A 5 tubed exhaust seemed appropriate for the 10 cylinder engine I hope this photo helps you understand all the functions and features a bit better. Each color of the model's chassis represents a different module. Next we will look at the rear attachment built for this model. The attachment is multifunctional, combining linear actuators, pneumatics and 4-way switchbox to actuate all the functions: In total the attachemnt features following functions powered by a PTO via 4-way switchbox: Extension of the control arms via small actuators and a lever mechanism Lowering of the control arms via large actuators - inspried by 42009 Rotation of the arm Spooling up a winch which allows the arm to be used as a crane arm - inspired by 8258 Additionally there are 4 pneumatic function powered by the compressor and air stored in the two pneumatic tanks on the truck itself: Raising of the primary arm joint Raising of the secondary arm joint Tilting of the showel - inspired by 8043 Closure of the blue pneumatic claws - inspired by 8110 Some intersting facts about this attachment module: All of the penumatic functions + rope of the winch pass through the turntable. Rotation of the turntable is limited to some 350 degrees to avoid all those tubes and rope tangling up The structure of the arm with diagonal arms is inspired by crane arms Frictionless 8 tooth gears allow the white 16L axles to slide with ease while powering the two large actuators used for support legs The 4-way switchbox is one of my most complex and sense assemblies and it took me 2 days to design with support of LDD. Winch uses a friction pin to keep the rope from unloading when the winch function is off. The blue claw uses rubber bricks for better grip Combining the main model with the atatchment resluts in a model which weighs around 5 kilograms and is over a meter long! Some facts about the design, and build of the model: The whole model took me over 2 months to design and built, biggest challenging being the gearbox, container arm and rear attachment switchbox. A lot of care was placed into keeping all the functions working reliably with a limited power source (M motor) and safely with no gears skipping or breaking. The model uses around 16 universal and 3 CV joints to transfer the power to the suspension lifting mechanism, PTO, both steering sytsems and drive axles. Each rear axle is capable of supporting the whole model's weight, the weak point are the Power Puller tyres which sag quite a lot, especially on the third axle. Thanks to it's stiff gearbox, this model has one of the stiffest central frames I ever built allowing the model to be easily picked up by diagonal front and rear wheel without excessive flex. Gas canisters and first aid from 42069 are featured on this model The hood ornament is a bunny from a Lego Friends set This is my first model to use the white pneumatic air tanks for it's intended purpose. The model is covered with glow in the dark parts close to its edges, so its visible at night - useful when you are wandering around your building area at night A photo of the mashup's total of 8 glow in the dark bionicle claw/eye pieces: You can see the model in action in the following feature video: Finally I would like to thank you for reading through this massive post and for helping me reach 10.000 subscribers.
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Generic Contest Discussion
Zerobricks replied to Jim's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Awesome idea! And maybe limit it to 1000 or such pieces so people with smaller collections can also join! -
Beamless Chassis Design?
Zerobricks replied to SNIPE's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Well for my models I use frames as much as it's possible. Having said that beams are the main connection points to hold the frames together, as for example unimog axles and such. Both types of parts complement each other. Building a (larger) model/chasis without beams is almost impossible, since you need something to hold together your frames/conenctors.