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Found 36 results

  1. Zerobricks

    Tiger 6x6

    This is an expansion, upgrade and update of the Tiger 4 x 4 x 4 The idea was to improve certain aspects of the 4x4 version: 1. The bewel gears were the weak part of the driveline, so the 6x6 uses additional 12:20 gearing after bewel gears, increasing available torque by 67% 2. Adding a second rear axle additonally helps to spread the load while climbing, increasing available overall torque by another 50%, allowing for a total of 2,5x more torque than 4x4. 3. Using defender wheels, and self-built hubs the pivot point is now a stud closer to the steering wheel and steering angle is increased from 18 to 25-30 degrees, removing the need for rear steering. 4. Center section was widened by 2 studs, allowing both gearboxes to be placed in parallel and the steering servo motor low in the center. Total gear reduction has been increased to 1:5 in high gear and 1:15 in low gear. Gear switching mechanism is now faster and more reliable. 5. Suspension is now pendular with a shock absorber in front and tandem axles with shock absorbes in the back. This allows the suspension to smoothly adjust to the terrain at slow speeds without wasting energy compressing the shock absorbers. At high speeds the shock aborbers smooth out the ride. In the picture below you can see the blue 1x7 beams which swing and allow the front suspension to act like pendular: 6. The model now has working fake engine(s) and steering wheel.I'm thinking of adding a hook arm with a winch in the back, so I can use this model to pull others out during trial truck races 7. Number of motors have been reduced by removing rear wheel steering and having one motor for the gearbox, allowing to add aditional functions as before mentioned hook arm. So...that's all about it for now, I'm only missing defender wheels to finish this monster. Yes it's going to be heavier and slower, but I expect it to be even more capable and reliable.
  2. Zerobricks

    [TMC]8081 6x6

    I decided to UP the things with my take on the 8081 modification contest. Here's what I came up with: Driven and steered front axle with homeage to the original design Tandem live rear axles working on a simillar prnicipal as the front axle Differential lock Two speed gearbox Working steering wheel You can see a sneak peek of the progress made in LDD:
  3. Zerobricks

    [TC16] Hex rover

    For Mission to Mars I decidd to build more of a classical machine - a six wheeled rover. I was heavily inspired by the upcoming Mars 2020 mission (https://en.wikipedia.org/wiki/Mars_2020) and wanted to integrate a drone inside the model. First thing to build were the foldable Rocker-bogie suspension arms, which is unfolded with pneumatics Each bogie featurs a steerable front wheel which is steered using a worm gear mated to a small turntable. Drive power is carried through the turntable to the front wheel. The rear wheels are on their own bogie and are driven by a combiantion of Cv and universal joints: A longitudinal differntial is used on each drivetrain which allows for the speed differences between front and rear wheels when steering. Differential is especially required when steering at 90 degree steering angle, since the rear wheels do not turn at all. A driven differential is used to level the both sides of the suspension arms: Differential allows for the movement of suspension and keeps the body leveled. A single M motor is used to adjust the leveling angle via a worm gear. Suspension in action: In order to unfold the rover, a pneumatic compressor was installed near the front of the body: The same compressor also powers 4 small pneumatic cylinders which open up the tops sides of the rover: A large actuator lifts the base of the 3D camera (placeholder for Wi-Fi camera) on the top and reveals the propeller "drone" inside the rover: Since most rovers include some kind of an arm to dig and check samples, I decided to equip mine with claws. They are able to pick up and lift with the use of a single M motor: And finally the rover can launch the propeller drone using an RC motor powered by BuWizz: Here is the final wrap up of the features and characterisics: 38 x 25 x 15 cm when folded 41 x 25 x 57 cm when unfolded Weighs 1800 grams Powered by 5M, 2L and one RC motor Controlled by 2 BuWizzes Independent all wheel drive with longitudinal differentials Rocker-bogie suspension Pneumatic unfolding Raisable 3D camera arm - placeholder for a WiFi camera Leveling mechanism Drone launcher Working claws Unlimited steering angle And a quick video of the rover in action:
  4. Hello dear friends! Please let us (yes, today - we are both with ADCchannel are the authors) introduce the latest MOC - today this is Mercedes-Benz G-class 6X6 Trial edition. This truck (definitely it is!) is our common project. I was always dreaming of creating my own implementation of this greatest version of legendary Gelandewagen. I build the body with pleasure and know that ADCchannel riched senior skills in building chassis for truck trial, so I offered hiw some kind of collaboration. Luckily, he immediately agreed. The main difficulty was that we are living in different cities, but not far from. So, couple of month were spent truck is ready. To be honest body itself is absolutely new. From my previous G class Mansory edition I took only front view and side doors. Roof, interior, body frame is completely new. Mandatory point was to create easily removable body. So, you can split body from frame removing only six axles (easy to remove). Some description, though :) This monster is propelled by 3 XL motors - one per each axle. M motor for steering and we decide to power truck bu Buwizz. But it's ready to use regular Lego IR receivers. Suspension has 3 portal axles like original Mercedes. We use 7 Claas tires (actually 6 + 1 third party). Everything what can be opened - is openable - hood, doors, trunk. Unfortunately there were no room for any V8 engine due to front suspension construction. First purpose was to build truck suitable for trial. Here are the two different(!) videos. Feel free to watch and comment. Any critics would be highly appreciated. Dimensions: - Wide - 25 studs, - Lengh - 72 studs Here are some photos from bricksafe page: https://www.bricksafe.com/pages/Aleh/mercedes-benz-g-class-6x6 Pictures will be uploaded in a couple of hours. Some technical issues for now.
  5. MajklSpajkl

    [MOC] Logging Truck

    Hello everybody, I present to you another "ancient" MOC of mine - built in May 2016 and only now I finally managed to make a presentation of it - The Logging Truck: At first it was supposed to be a Trial Truck, but as it grew to heavy, especially due to "model team-ish" cabin, I decided to make it more easy going. It doesn't represent any particular model, nor is it scaled or anything... It's driven by a PF XL motor and steered by a PF M motor. It has full suspension, detailed cabin interior and engine compartment. Oh, and I have to admit it is heavilly inspired by Ingmar Spijkhoven's work (2LegoOrNot2Lego). I'll let the photos do the talking... The position of the trailer trolley can be adjusted between the two yellow stops - the main beam slides through the trolley and is held in place by springs and rubber 2L connectors. While the truck is fully suspended, the trailer uses a kind of pendular linkage between both axles. The cabin has detailed interior... ...and so does the engine bay - totaly imaginatory - without any knowledge or research of the real truck engines . I guess under skirt shot is in order... I really like how the front axle turned out, the ackermann is almost to much. Here's another pair of photos to finish it off and a short video of course... I hope you like it and thanks for comment. Please find bigger photos here. Best regards, Miha
  6. Hello Guys, I recently created this vehicle, for my kids to play (but also for me) - 2x L-motors: one for left and one for right track - skid steering - chassis is without suspension - 6 pairs of PF led lights FLICKR photos:
  7. Hi, I've built a stupid simple truck. As you might have guessed already, it is largely inspired by iconic Soviet-Russian truck Ural. Driven by two L-motors and steered by a servo, it doesn't have any other motorized functions. The fifth wheel rotates in 2 dimensions and has a simple locking mechanism as seen in a recent 42078 set. However, I doubt it will function properly due to natural tendency to lean backwards under the towing force. Overall, this project is a failure. The initial goal was to built a 6x6 truck with differentials and none-ball-joints suspension. Although the goal was achieved, the front axle turned out to be a complete disaster. First, I had to swap a 6-link for a rather awkward system in order to make the front wheels steer for at least a bit . Second, this truck can't overcome even a tiny obstacle, cause the driving gear in the front begins crackle hysterically. This happens because I don't have the new 6145859 wheel bearing parts, so in order to fit the steering bar with the old ones I had to elevate the axle center 1 stud above the 5x7 frame. And the result simply do not sturdy enough to hold the affecting forces. However, I'm going to figure out a better design later in LDCad. Hopefully this MOC will mark my return to regular building, so I'm looking forward for your comments.
  8. Normally I would prefer building something really sturdy, as a result these models are always heavy and have a lot of redundant parts. This time I tried something new. Presenting my new MOC: a lightweight 6x6 pickup truck. This model is based on the Mercedes G63 AMG 6x6. It has a two-door cabin instead of the original four-door one, just to meet the definition of “Compact” in its name. It weights 1.2kg, and has around 1350 parts. I’m pretty satisfied with it given the fact that it’s a fully functional 6x6. How to make a lightweight yet reliable frame is a challenge. My solution is to have a unibody design, like most family sedans, instead of a body-on-frame structure, which commonly seen on off-road trucks. This means pillars need to help with sharing the load. The whole drivetrain is simple. All axles are live axles. Rear axles have multi-link suspensions. How to position those links is a big deal, misplacement will probably introduce unwanted wobbles. Considering the weakness of the universal joint, I didn’t put to much gear reduction into it, on the other hand, it has a relatively decent speed. Field test: With no diff lock, sometimes it struggles on rocks. But most of the time it can deal with less bumpy roads. More details: I will create instructions in a while. Enjoy.
  9. Teo LEGO Technic

    [WIP] Tatra 6x6 midscale

    Hey guys! I'm going to try something I haven't so far - a WIP thread for my new tatra 6x6 truck. I'd love to hear all the advice you guys have along the way! The idea is to make a pretty small truck with servo steering and two L-motors, one powering each side to eliminate the need for differentials. Each half axle will be suspended by its own spring. I've already come up with a front axle that I'm happy with. It's solid, good ground clearance, good steering precision despite smaller steering radius, and it's just the right side. If it's not too tall, which I'll have to figure out, the plan is to stick the servo motor vertically right onto the 8-tooth gear, which will give it excellent precision. Another gearing, if I put the servo on its side, would multiply play in the steering system. What do you guys think? IMG_6551 by Teo's Technic, on Flickr tatra-t815-7m0r39-29-306-6x6-2014 by Teo's Technic, on Flickr e4aae418a365981d46bcd6c97723a542 by Teo's Technic, on Flickr 1998_Tatra_T815_7_6x6_military_truck_trucks_q_1600x1200 by Teo's Technic, on Flickr Here are what it will scale like. The 8x8 blueprint I will use for the front view scaling, which I couldn't find for a 6x6
  10. After some month of building I like to show you my latest MOC: A Mercedes Zetros 6x6 truck. It is a ~ 1:13,5 scale model of the Mercedes Zetros 2733. All functions are Full RC. It is 69 cm long, 21 cm wide and has a height of 27,5 cm. The weight is 4553 g. As battery I use the BuWizz. The Zetros is remote controlled by 4 Sbricks via iPhone. Functions and used parts: Propulsion: 4 Lego Technic Buggy Motor Steering: 1 Lego PF Servo Diff Locks (front / rear axles + central lock): 1 Lego PF Servo 4 Lego Pneumatic V1 + V2 1x5 (Automatic) Compressor: 1 Lego PF L-Motor 4 Lego Pneumatic Pump (V2) Winch: 1 Lego PF L-Motor Telescope Crane: 1 Lego PF M-Motor 3 Lego PF Servo 3 Lego Pneumatic V2 Cylinder 2x11 2 Lego Pneumatic V2 Cylinder 1x11 Outriggers: 1 Lego PF Servo 1 Lego PF M-Motor 2 Lego Pneumatic V2 Cylinder 2x11 Lights: 10 pairs Lego PF LED plus several Lego extension wires Some more highlights: Full independent Multi link live axle suspension Portal Axes Planetary Gears Working head lights, rear lights and flood lights Working turn signals and warning lights [/url Edit: I nearly forgot some special picture pair ;) [/url] Second edit: I corrected the scale which I'd miscalculated.
  11. Hi everybody! today i wont to show you my new creation - Gaz 34-6x6 soviet truck. This truck is modification of legendary Gaz 66.I'm crazy about 6x6 trucks,thats why I built Gaz 34. So,here it is: As you see,this is not original configuration of Gaz 34.I'm added portal axles(without diffs),bigger wheels and slightly changed the rear suspension.Finally-it is really good trial truck,with great grip on sand,grass (thanks to the wheels from 42054). So,lets look for the technical specifications: -6x6 wheel drive,without any diffs -portal axles -huge offroad wheels -2 buggy motors for drive -1 medium motor fot steering+micro motor(they tern steering wheel in the cabin) -Sbrick -3s li-fe battery(9,9 volts) -Leds lights(headlights) -balanced rear suspension(thats why truck has really good suspension travel) Let see it in action! https://youtu.be/hHDJLmvZ4BA
  12. BrickbyBrickTechnic

    [MOC] Tatra 815 UDS 114 (RC)

    Tatra 815 UDS 114! This is probably the most interesting type of excavator-truck I've ever seen, so I decided to build it on my existing 815 chassis! Here's the video for the chassis, but with a dumper: Thanks for watching! BrickbyBrick
  13. I got this idea a while ago, when I first got Sbricks. Why not make modular, expendable system of axles and chassis pieces in order to create a system for offroad truck construction. Here is what I sketched up in LDD. First we have a basic axle. It uses 2 XL motors for drive, independet suspension and steering with servo Because we need a minimum of 2 axles, I designed a double chassis holder with two battery boxes: If we combine 2 axles with the double battery holder, we get the most basic configuration, a 4x4x4: In order to expand on the system I designed a single battery chassis extension: Finally we can combine the three basic modules into a 6x6x6: Or even a 10x10x10: In theory there is no limit how far you can go, but I think anything over 12x12 might cause too much strain on the chassis. Important details: - Axles are designed for Claas wheels, which are not in LDD, hence the wheels above may look small - Each axle can use any kind of a combiantion of number of springs and hardnesses for best flexibility and weight support - Each axle is meant to also house and S brick, which allows you fine steering angle control in order to support any kind of configuration or steering mode (only front, only rear, all wheel steering, crab mode) - For now this is still a concept, so I will relase the LDD file once I build, test and polish the concept
  14. shuoshuoliuliu

    6x6 truck VS

    just made a truck similar with Mr. Madoca's new moc work same function on differencial lock and 2 speed gearbox,but 6x6 -Weight: g -2 XL motors for propulsion,1 XL for 1st axle,1XL for 2nd、3rd axle -2 Servo motor for steering,1st & 3rd axle -M motor for 2 speed gearbox -M motor for locking rear differential,1st axle - 2nd、3rd axle -Portal axles for 1st、3rd axle in order to make a powerful crawler, I need different rotating speed of front and rear axle. For the reliability, I not use the weak center differential. I design 2 seperate XL motors for 1st axle and 2nd+3rd axle. But I add a lock, to lock the 2 XL motors together when necessary. That means there are 2x 2speed gearbox + 1 lock. And to make sure the enough power, I add 2 battery boxs.
  15. A model I've been working for a little while, not much to show yet but pictures soon. 6x6 truck with locking rear diffs and 2 central diffs in the 6x6 drive making for a combination of power delivery choices, similar to the drive train of the mercedes amg 6x6. Using tires from 42054 so its, big near half a meter or so now. Rear live axel suspensions front independet fake v 10 soon to be geared in, possinble addition of 4 speed gearbox and 4 xl motors for drive. with fully rc gear and diff lock control and who knows what else?
  16. Hi everybody. last month I started a new project, while my 42043-C Unimog U4000 is on standby. I kinda like the Mercedes Benz team. so this one will be another Zetros. while my 42043-C Zetros was a C-model, this Zetros 3643 AS 6x6, will be way bigger, and not a C-model. Below is the blueprint I'm actually building from. been during a lot of research, blueprints and calculated a proper scale many times..... so by basing the scale on the wheels I figured out that a 1:12.5 scale would fit very well. I got some RC wheels 108mm, which kinda looks like the Zetros tires, but the Claas Tractor tires will fit the model very well too. Now let me show some pictures of my actual model so far. This one was my first atempt to build a proper fitting chassis for the Zetros But after a month with rebuilds and testing, I got to scrap that design, as the gearbox wasn't strong enough to power 3-4 kg of lego. also was the chassis a bit to flexible. so during january I ended up with this design: And by now I have finished most of the chassis, on moved on to the cab. As told it is the CrewCab model I'm building, mostly because it is the one I like most, and think it fits the size of the truck very well. By finishing the Chassis, it also means that bumbers and headlights are done. I'm not quite sure about the headlights yet, but it will work for now. The picture above, is the current prgress. More will follow. more pictures at: https://flic.kr/s/aHskRFHEQB
  17. This is my Blacktron fast Scouttrax. You may have seen a WIP topic about it some months ago. This is the end product. It is inspired by the 6941 which was one of my favorite sets when I was a kid. It is also the first wheeled vehicle I've build since my 'dark age'. I've been working on this for a while now, abandoning the project several times because I couldn't get it to work as I had imagined it. Specifically the steering mechanism. The steering technique that I was trying to recreate was something I had seen on TV. The basic idea is that when a wheeled vehicle goes into a corner, the main cabin will lean into the corner, a bit like a motorcycle. This style of steering has many benefits for high speed vehicles. For one, the g-forces on the driver and passengers are much more pleasant. But it also helps with getting better traction on the road. Normal vehicles that take a corner will experience a fictional sideways force which actually is just inertia. In order for a car to overcome that inertia it has to have enough traction. However a vehicle with the style of steering I used, actually uses that inertia to create additional downforce and traction, thereby increasing the velocity that can be used in a corner. I had a hard time creating something that didn't only function well in theory but also in the real world. At the moment it functions as intended, as you can see in the video. However the level of control and suspension could still be improved which is why I am building a second version at the moment. You can find additional photos on my Flickr account: https://www.flickr.com/photos/33425520@N07/albums/72157669572889372 I have also put it on LEGO ideas: https://ideas.lego.com/projects/159717
  18. This is my Blacktron fast Scouttrax. It is inspired by the 6941 which was one of my favorite sets when I was a kid. It is also the first wheeled vehicle I've build since my 'dark age'. I've been working on this for a long time, abandoning the project several times because I couldn't get it to work as I imagined it. There are still some things I am not quite happy with, so this will not be the final model. I have plenty of ideas on how to improve it. But I think it is far enough along to show it to you guys. I went a little overboard on motors: I really like fast vehicles :). This model is fast enough to get some nice drift action going. It looks really good when doing a fast corner. I should have a video of it up in a couple of weeks. You can find some more images on my Flickr account if you are interested (https://www.flickr.c...157669572889372).
  19. I need help making a mini 6X6 trial truck, most of it is done but I need help on the front steering. I need one with drive and perpendicular suspension with no springs.
  20. I am curious how 6x6 would steer around a corner, especially with a setup like this (9398 with a third axle). All axles steered. https://docs.google.com/drawings/d/1bjoUXNip6BhAR0IJl7YnxdkfHIhLlTnRuSM0FVikprY/edit?usp=sharing The Google Drawing above explains what I am visualizing. how do I calculate the ideal angle for the wheels to turn at Ackerman-style? Do other 6x6, 8x8 vehicles address this? With 8x8 it would be even worse without readjusting the wheel steering properly.
  21. It's been a busy start of the year in Thirdwiggville, with the two and a half TC9 builds, the 911, and now this, and it's only the first week of March. Granted, this has been on The Queue for a couple of months, but either way the productions is making me feel pretty good. This is a small scale MOC of the K-Tec 1233 Scraper. More can be found about the machine here, and where I learned about the machine here. Features: Steering 6x6 drive 2 cylinder fake engine full suspension lifting scraper opening dirt gate moving extractor plate Enjoy Front Suspension Trailer
  22. Sylvian

    6x6 Chassis

    Here's my latest 6x6 chassis,.. which features hub reduction, suspension and a working fake v6 engine with moving fan. I want to make it a kamaz, and include a working steering wheel and tiltable cab, but it its giving me a real headache,.. This chassis has taken me about 2 weeks to design and build.(not including previous renditions which didnt satisfy me) Also i want to extend the wheelbase by 2 studs because i think the second axle is to close to the xlmotors,.. anyhow i am pretty proud with the result so far so i couldnt resist posting the chassis. Cheers :)
  23. I have been searching new MOC subject for some time, as I want a model to be good looking for display; to have enough features but not too complex; to well use of my inventory (major sets part out mostly from 2012 onwards), and to play with my kid reliably. The new PANTHER Aircraft rescue and firefighting (ARFF) vehicle by The Rosenbauer Group has caught my attention. It’s the 4th generation ARFF vehicle launched in mid 2015 and its futuristic appearance, 6x6 chassis, unique sliding doors and feasible color scheme fit my MOC wish list very well. I started from the bodywork by modeling the truck exterior features, for example , roof profile, back exhaust louvers, incline headlights, steep ramp angle at the front and the back, and spent quite some time adjusting the body shape from being too boxy. The design of the chassis is straight forward. Since the real PANTHER is supposed to be a fast rescuing machine, I made good use of the large interior to fit in 3 XL motors to ensure enough power for driving. One motor drive one axle at a time, instead of stacking all three motors in parallel. This will avoid too much toque applying on one single Lego element. Rear axles are modified live axle suspension ‘floating’ within a rigid frame, resulting similar effect as independent suspension. Front axle is simple live axle suspension with steer function. All axles are driven in 1:1 ratio. Similar to the real PANTHER engine location, an inline 6 cylinders fake Volvo engine is seated at the back and is geared up to 2.78:1. By using the rear axles as pivot, weight (battery boxes) is placed at the back to balance the motors weight applying to the front axle. Sides panels at both end can be opened manually for battery box access. It’s challenging to pack the door sliding mechanism under the cabin without interfering the steep ramp angle at the front. The test build is done during the Christmas holiday and the doors slide quite well after a few design attempts and I am quite satisfied with the result. I am still in the process of thinking whether to use a simple swinging turret as the forth function, or a more complex high reach extendable turrets that will require an extra 2 channels and a lot of design effort.
  24. Hi everyone! Tooday i would like to show you my trial truck 6x6. 3 XL motor for drive. 1 m motor for steering. 2 AAA battery boxes. 2 v2 receiver. 3 pf light a few photos: Goog suspension travel worked steering weel and piston engine and of course video indor test: outdor test : what you think about it?
  25. Since the new Arocs relased with new suspension parts and a great idea for the rear axle I was thinking, why not also make small scale truck trial machines/races with 62,4mm wheels as a reference point. I think this translates to roughly 1:13 scale. Because this is a smaller scale the models should be easier to build with less parts and more structualy rigid I think a max of 2 x XL, 3x L or 4x M motors should be enough at this scale... What do you guys think? Wanna debate, maybe even set up some guidelines and build something? P.S. click here for some axle ideas at this scale