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So after a rather poor start I decided to totally reimagine and rebuild the Mercedes truck of the future. It all started with a random idea of routing 4 functions through a turntable like this: After fiddling around in LDD for few hours I came up with an 8 function gearbox powered by a single RC motor: The functions shown are: Orange - RC motor drive Lime - Horizontal extending od outriggers Yellow - Vertical extending of outriggerd Violet - Slide and tip of the bed White - Rotation of main arm superstructure Light gray- Rotation of claws Red - Lift of main arm Warm gold - Movement of claws Dark gray - Rotation of scondary arm After this rather unusual design process it was time to think of the basic shape of the model. I was inspired by the 42038 arctic truck's layout, but I wanted to add my own twist to the formula... Here's the result: Here you can see the massive cran arm used to pick up various loads: The truck uses four of the biggest Lego wheels in front and 4 tracks in the rear: As you can see all tracks and wheels have fully functional spring (and additional pendular for the tracks) suspension. Also notice the massive bed tipping angle. The truck also has a fake V8 piston engine driven by the tracks: And a prestige sand-colored interrior: Steering is done via HOG and the spare tyre behind the cab: Here's the description of the concept idea: _________________________________________________________________________________________________________________________________________________________________________________________________ This is my model for the future 2045 Mercedes-Benz competition. I named it Antos and it has several features: The engine is Euro 11 compliant 6-stroke aqua-diesel-electric hybrid. The additional 2 strokes inject water into the hot engine with expands as steam adding another work cycle. The engine also powers an electrical generator which is used to power the truck's front wheels. Front wheels also act as a generator while braking, therebye returning the electrical power back to the batteries. Tracks are driven directly by the diesel engine. For optimal performance the front is equiped with many air surfaces which reduce drag. Because this is an offroad truck, the massive wheels and 4 tracks in the rear provide it with massive traction area, which reduces ground pressure and preserves ground vegetation. The multi-functional arm and bed are driven by a single motor using a mechanical multiplexer mechanism. The Lego modes uses solid axle suspension in front, suspension on all 4 rear tracks, a fake V8 piston engine driven by rear tracks A powerfull RC motor powers the 8 functions. I managed to reute 4 functions through the turntable in order to fully motorize all arm functions. Total number of gears used for arm and bed (not including steering and fake engine gears)is over 130 making this one of my most complex switchboxes to date. The front was slightly inspired by the Unimog 400's sloped cab, but with added wings and a lower bumper. The idea for the tracks and arm actually came from the 2014 Lego technic arctic vehicle. The rear bumper is in a shape of a V in order to allow the bed to slide out and tilt. Interrior is detailed with seats, steering wheel and handles in prestige sand color. __________________________________________________________________________________________________________________________________________________________________________________________________ And as usual here's a short 3 minute video. (3 minutes is max time so you may pause some text) I hope you guys like the truck, I personaly think its a very retro-futuristic beefed up advanced half-track concept and in that sense something different and original. -
So as soon as I heard about the new contest, I knew I wanted a different crane as the normal mobile ones... A quick google search for off road crane inspired me as soon as I saw this picture: More info here: http://www.ww.mainpu...ifting/6196.htm Yes, its an 8x8 off road crane with massive tyres, suspension and what-not. After fiddling in LDD and real life I came up with front suspension: As you can see, its inspired by 42043's rear axle assemby, but upgraded: - with all wheel drive - portal axles, - improved steering system - longer, harder shock absorbers - can carry A LOT of weight The steering system is my own idea (as far as i know), by using different handle and steering arms length I get different steering angles: Another thing I built are the outriggers. Because this is an off road truck, the outriggers need to be high enough not to bump into terrain, yet they have to lower enough to do their job. This is why they extend at an angle: The outriggers may look rather thin and weak, but the fact is the 13L beam and 13L rack are in a sandwich which cannot be seperated, so they can carry lot of weight, as long as you dont bend them sideways too much. Here is how the front suspension and outriggers look like together: And I already started working on the rear axle... You can see its simpler than front axle, it has more support, and its very solid. There are a total of 10 points holding the rear axle assembly: - 4x Springs - 4x Longitudal links with rubber bricks with limited longitudal movement (you need a bit of movement in order for axles to flex sideways) - 2x Panhard links which keep the axles from loosely moving sideways Also notice the drive axle on the left, thats for the fake motor drive. More info soon...
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So after building the jaguar 4x4x4 I got an idea to make a lighter, less part destructive version. The main idea behind it is to combine motor placlement of the fox 8x8x8 with doble wishbone suspension of the jaguar. This kind of setup enables the model to use only 2 gears/wheel and keeps the wheels always parallel relative to the body. Here are first preliminary pictures: Compared to the fox and jaguar, here are the improvements: - The servo motor is placed closer to the steering rack, therebye more-than-less removing steering flexibility - I am using two steering racks per axle for aditional steering system stiffness - Suspension is now almost horizontal and takes little room - Angle of the suspension travel is 30 degrees/wheel - Foxes's proven concept of the motor gearing eliminates the possibility of breaking gears/joints - I plan to use V2 receivers for that extra bit of juice - Shorter wheelbase allows for better steering radious and offroad performance - less likely to hang on an obstacle - Lower, more stable design - more room left for interrior UPDATE: Its been a while... But here are the new pictures and the video I improved model a bit, raising its ground clearance and removing some parts on the underbody, so its harder for it to get lodged As usual I also made an LDD file, which you can download here. And for rebrickable click here.
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After trying out the BuWizz with a big 4x4 offroader I decided to try the other spectrum - speed. For this purpose I designed a very simple, but robust racing car. The main features: - Rear wheel drive powered by two RC motors - Rather hard independent suspesnion on all wheels including realistic caster angle in front for best directional stability - Use of old x873c01 hubs for lowest possible wobble and friction - 4 point reinforced suspension for highest steering accuracy - 4x Tumbler wheels for highest possible traction and cool factor - 1x BuWizz running in ludicrous mode, providing enough power for the model to reach 25 km/h And this is how it works in practice: So how did the model work out? Well as you can see the racer reached an amazing speed, and survived quite many jumps and crashes. The suspension held up suprisingly well and no drivelinecomponent of the rear wheel drive ever failed, even though the BuWizz powered the motors with enough juice to powerslide the massive tumbler wheels on concrete. All in the model was a blast to drive and seeing it jump over shallow ramps of the garage house was simply breathtaking. I hope the BuWizz becomes a reality, so I can make even faster, more powerfull version of such vehicles such as rally cars and trophy trucks
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First of all I hope this doesnt sound too much an advertisment... For the past few weeks I have been gathering and categorising my Lego digital designer files and I managed to prepare a package of 250+ files, which ranges from technic motorcycles, supercars, off roaders, lots and lots of axles, suspension systems, mechanisms, gearboxes, reference files and so on... The package can be downloaded here: http://www.bricksafe...r-model-package And for more info please check out the following video: As you can see in the video I also made a new blog and decided to offer costum model support in order to expand and improve my activites. Thank you for all the support over the years
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I decided to open a seperate topic for this beast. Inspired by Letsbuild's idea to crawlify a Lego set, i decided to go full crazy and try to upgrade the biggest, heaviest and most orange set to date, Porsche 911 GT3 RS. First thing I built was the front axle, which uses the H frame as a placeholder for bewel gear, so there it no possible way of them to slip: Those with sharp eyes may notice the gears are not aligned, this was done in LDD development mode, more info soon The drive than goes directly to portal hubs with 1:3 gear ratio, giving the model 1:5 gear ratio on each wheel. Front axle also has a servo motor which steers the wheels and powers the Porsche's original steering wheel via a ball joint Rear axle powers the Porsche's gearbox via a couple of clutch gears in order to allow different motor speeds when steering or skid steering - Yes, this 4 kilogram heavy model can even skid steer thanks to its independent motor control. Here is the end result As with the original set, I kept the rear axle 2 studs wider than the front: For suspension I used 4 hard springs, which are hald compressed thanks to the model's immense weight. Due to the porsche's wide chassis springs are quite far apart, so the flex angle is not really big, but on the other hand that makes the model much more stable. Performance wise the crawler works very good, despite its massive weight, so far I had no broke U joints or gears and it has enough torque to skid its wheels on hard surface. Expect more pictures soon and a video soon.
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I wanted to build something special for the rebrick LEGO Technic BMW motorcycle competition. The first idea I got was to try to make hubless wheels. After trying several wheel sizes approaches and techniques I decided to use the old 8880 soft tyres with a combiantion of 8 135 degree connectors and a nunch of smaller internal wheels: In order to make the bike look low and sleek I decided to ditch the normal handlebar steering system for a multi-link one, which gave the bike its distinctive front shape: Belly photo of the multilink steering system - notice the two 6L steering links which allow for suspension movement: Of course a bike like this also needs suspension which is hidden in the frame: And finally the bike was covered finished in blue trim, with BMW color detail in the front: And of course I just had to include the special 3L beam found in this year's sets: And here's a video to finish it all up: In the end of the day I am very proud of myself for building something out of the box, I learned how to make smoothly rotating hubless wheels and I managed to build something trully futuristic with all the weird angles, shapes and functions. If anyone is interested in rebuilding this beauty, there is also an LXF file of the model without the tyres here: BMW U2-P1A
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For this competition I wanted to build the most advanced bot, packed full of features: - Mecanum wheels, they allow the bot to go in ANY direction, even sideways. Each wheel is powered by 2 M motors, therebye totaling at 8 M motors for drive, combined with a flippable design which allows the bot to drive upside down - Liftable spikes to raise the opponent and siable them in the front, powered by 2 L motors and at the sides, powered by 2 M motors - The rear has a very fast spinning weapon, which tops at some 4000 rpm, powered by an RC motor - to top it all off the whole rear spinning weapon is on an arm which can pivot upward, therebye delivering a powerfull blow. For that action I used 4 XL motors. - And finally some corner rubber guards make it very hard for this bot to be picked up and dragged: Squeezing 17 motors, 2 Sbricks and 2 battery boxes in a robot of less than 8 studs tall and 45 x 45 studs wide and long was a challenge, but in the end I succeded. Because it looks like a rather squarish looking pancakge I decided to simply call it that - square pancake. Specifications: - Powered by 10M, 2L, 4XL and 1 RC motor for a total of 17 motors - Controlled by 2 sbricks - 45 x 45 x 8 studs large - weight is around 2,5 kg Here's spikes and the weapon are suppose to work in together to disable and smack the brick ouf of the opponent: To control the robot I made a custom Sbrick profile for my phone. Controlling all the motors and ways of movements can be quite a challenge And here is the nightmare of cables, motors, gears and bricks which hides under the armor: Please enjoy the video showcasing all the functions: In the end I know this may not be the toughest or nicest looking battlebot, but I think it compensates with a very large amount of unsual features and techniques. Building this model was very fun, among other things it inspired me to continue developing my mecanum wheels for future models. A big thanks to everyone for inspiring me
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I decided to make this topic where I will post all my animations. So here's my first LDD animation, YMCA: http://www.youtube.com/watch?v=Sq_YrYqyI9o Followed by my first serious Sonic animation: http://www.youtube.com/watch?v=tCMEdZCXKdo Later I made a GTA 5 reaction spoof: http://www.youtube.com/watch?v=0kmHCBpd_PA Continuing I made a technic animation for the [MINI] contest: http://www.youtube.com/watch?v=xrNi43Gn3_Q And here is my latest animation, which was a study into walking and making smooth movements. Each walking cycle uses 32 individual models to create smooth walking cycle:
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Here's a clip of a race between two very different offroad machines Chettah 4x4 and Fox 8x8x8. Also what do you think of the navigation bar made using annotations?
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This is my smallest "supercar". It features a 5 speed diagonal gearbox which is very low and perfect for such a small model. The model also has independent suspension on all wheels steering in the cab and the rear, working V8 engine and suicidal doors and foldable roof. I got the wheels from my friend Mahjqa when I was travelling arround Europe and they fit very nicely to the 68Z tyres. The wheels are much deeper than usual Lego wheels and allowed me to make very small independent suspension system. Using brick built hubs allows the front wheels to steer some 45 degrees, making this car really maneuverable. The styling is 2000's erm...style with chromed wheels, metallic colors, transparent engine blocks and flexible tubing. The two gears in the back are for steering and raising the roof. The gearbox works suprisingly good, its very low, compact, smooth but unsychronized, which I think in this small non-motorized model is not a big problem. I also made and LDD model, but due to the new update bug is missing the springs, there are also not correct wheels and there were some problems putting the seats all the way inside the model. DOWNLOAD LXF HERE: http://www.brickshel...bug/junebug.lxf And a small video:
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I was inspired by this model, which was originally inspired by my old mini tatra from 2011. The major difference is that my model uses 9L links as leaf springs which allows is greater flexibility and much more less sideways tilting when steering. Download LXF: www.bricksafe.com/files/Zblj/Mini%20tatra%2010x10/Mini%20tatra%2010x10.lxf
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This is what I managed to build today in cca 5 hours. Its a very efficient, lightweight yet powerfull forklift. All functions are motorized with M motors. Features: - Front wheel drive with differential - Pendular rear axle with ackermann steering geometry - Lifting mechanism with double chains for max lift force of over 500 grams - Fork tilting mechanism I will upload better pictures and a video tomorrow
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Here's what I've been working on in the past few weeks... Features: 10x10x8 wheel drive 6L motors for driving 2 Independent dual gear tranmsissions 2 Steerings motors Very long travel torque sensitive double wishbone portal independent suspension on all wheels Working hook arm with a total of 8 pneumatic cylinders Two newly designed autopumps Interrior with 3 seats For more info please check the video: Now all I need is to get the money to build this 3500+ parts monster... Anyone willing do donate?
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Hello All I am pleased to anounce, that in 2015, OSUHARDING1 will be doing a double review of both these Tatra's in question. There could possibly be an offroad duel between both, which I am very excited for; this will be the ultimate duel. Both mocs are amazingly built, I couldn't take one over the other, nor the builders either. Madoca is famous for his attention to detail (he is the pagani of technic), and Zblj is famous for fufilling and utilising functions to the best of their ability (though it doesn't mean that madoca's use of functions are useless, nor does it mean that Zblj builds ugly mocs). Madoca's Tatra has the best attention to detail, and is extremely precise for every of its functions. The Fox may not be too pretty, but it goes like a train though terrain. The Fox has been proven to survive all terrains, it can drive on any terrain including snow, ice, foresty areas, sand and can tow a car. You can literally say that the Fox has been around the world. Zblj also quotes his Fox as the most powerful tatra EVER, but then it would be because it has 1 XL motor per wheel. It has 2 winches capable of pulling itself up, not to mention its 8 wheel steering which can vary from rear steering, front steering, crab steering and opposite motion steering. It can climb up a hill but starts to loose traction due to the combination of torque and high revs, its either one or the other in technic. Madoca's tatra, aaahhh its a joy to look at, and to play with. It is very technical, but more stable than the fox when climbing objects (the fox is a bit skiddy when tackling objects). Madoca's Tatra's stablity also means it can climb higher than the fox on steep hills; it doesn't slip its wheels when climbing. Madoca's mocs are also known for there effective suspension and he always shows each moc, climbing over a few bumps. Not to mention that the Tatra has the offroad pedigree of the SUV MKII and the Offroad pickup truck, which are also made by madoca. Performancewise we know that all of Madoca's offroad based mocs can go offroad, but we don't know what extreme offroad conditions his Tatra can survive. Like I said its difficult to pick between them. This is equal to the battle of the 918 spyder and p1, one is a no-compromise and the other one is. Zblj's Fox is the ultimate expression of what a technic tatra can perform upto, and Madoca's tatra is the expression of what a technic tatra should compromise. The fox is a no compromise all terrain vehicle, stripped of things Zblj thought it didn't need: no fake engine, no rear cover, no based looks, its like the p1. Whereas the tatra is compromised, it was designed to replicate a real tatra, his tatra was built like the 918 spyder. But turns out lighter than the Fox but slightly slower Zblj believes because of the gear ratio. Zblj's Fox is also indestructable and was designed to cope with just about anything, like a saab. This willl be a great duel. Here are some pictures of the 2 Tatra's in question. Madoca's Tatra: Zblj's Fox: Note that both are 8x8 and are powered by multiple XL motors, instructions are available for both mocs, I think both are for free. Let me know what you think about both mocs, both builders are amazing and you must subscribe to their youtube channels for updates of their recent mocs. Also I'll leave a link to the video of the Fox and tatra, and also OSUHARDING1's review of Madoca's Tatra. Zblj's Fox: Madoca's Tatra: OSUHARDING1's review of Madoca's Tatra: Thank you for reading this topic! LeocornoProductions -
Yo! I dont really post many WIP-s so here it goes. The rear axle uses 9L links as leaf springs while the front uses a classic spring. I plan to use RC motor to make this thing as ridiculous as in real life
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Here's my new rather simple MOC. Because doing a simple dump truck is well....simple, I decided to spice things up by adding suspension and using only 2 motors to do 3 functions. So how can you use 2 motors for three functions? The answer is rather simple. I used a differential connected to steering system. As soon as the steering rack reaches its maximum position, the power is diverted to the LA, which lifts the bed. In order to make sure that the steering will always work before the LA i Used some friction pins parallel to the LA functions, to make sure the differential will always steer first. The brown gears are from the drive motor. The red ones are froms teering motor. The green diff splits the power where it is needed. After building this central gear system, there was another problem to solve. The LA is stuated in such manner, simply pushing agaisnt the bed would be very inefficient when trying to lift heavy loads. After some trial and error i came up with this special linkage, which follows the circular path of the bed, therebye helping it lift, instead of just pushing against it. The LA in green pushes the brown link, which in turns lifts the bed. The small blue and yellow links are used to make the brown link follow a certain path in which it not only pushes, but also lifts the bed, therebye creating more force. After adding a tiltable cab, battery box and suspension the truck was done: I used independent suspension for first and rear axle, whilethe second driveaxle uses double tyres and live axle suspension. The second axle is also configured in such way to carry most of the rear weight. The cab can be lifted to reveal the receiver. And a short video of the truck in action: http://www.youtube.com/watch?v=R9wvAlX7Z-U All in all its a nifty little truck and very fun to drive arround and dump stuff out, especially bricks. Also by just using 2 motors and only one IR channel, this allows for more RC models to be driven at once like on exhibitions, etc,... I also made the model in LDD if anyone is interested: http://www.brickshel...ruck/dumper.lxf P.s. MOD its dump truck, not Sump truck, please correct the topic name.
