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[MOD] PF Conversions for C+ sets - Directory
Ngoc Nguyen posted a topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I already planned to open this topic back in March or April, but I got caught up in work and stuff. Recent discussions in the 42129 thread makes me feel that inow is the good time to start it. My vision for this thread is that it will be a directory that contains the PF conversion mods for all of the Control+ sets so far. I have created a few mods myself as well. And I'll try to keep the information organized by updating this first post. If you have any mods, feel free to contribute. This thread can also be the directory for Studio models for the C+ sets, so that anyone with a mod idea can give it a try. ------------------------------------------------------------------------------------------------------------------------------------------- 42099 Available PF mods on Rebrickable: https://rebrickable.com/mocs/MOC-28766/olivierz/4x4-x-treme-off-roader-42099-power-functions-base/#details ------------------------------------------------------------------------------------------------------------------------------------------- 42100 There is currently no PF conversion mod available on Rebrickable. I've designed two PF mods for this set in Studio, but I haven't published yet because I haven't made the mod instruction. They will be published later this year. The mods are: - Full RC PF conversion: This mod replaces two hubs with two PF battery boxes, replaces all motors with 7 L motors, and adds 4 RC receivers. - Motorized PF conversion: Because a big empty box with 7 motors engaged in direct transmission is boring, I want to add something more Technic-ish, more mechanically interesting. This mod removes all hubs and motors for the base, which makes slewing and driving manual, and add 1 PF battery box, 1 L-motor, and a gearbox with 4 multi-directional switches for the functions of the super structure. Thanks efferman for sharing the base 42100 Studio file. ------------------------------------------------------------------------------------------------------------------------------------------- 42109 My free mods: - L-motor steer: https://rebrickable.com/mocs/MOC-84883/nguyengiangoc/42109-pf-conversion-l-motor-steer/ - Servo-motor steer: https://rebrickable.com/mocs/MOC-84884/nguyengiangoc/42109-pf-conversion-servo-motor-steer/ ------------------------------------------------------------------------------------------------------------------------------------------- 42114 My free mod: https://rebrickable.com/mocs/MOC-85933/nguyengiangoc/42114-pf-conversion-servo-motor-steer/ ------------------------------------------------------------------------------------------------------------------------------------------- 42124 My free mods: - L-motor steer: https://rebrickable.com/mocs/MOC-84954/nguyengiangoc/42124-pf-conversion-l-motor-steer/ - Servo-motor steer: https://rebrickable.com/mocs/MOC-84955/nguyengiangoc/42124-pf-conversion-servo-motor-steer/ ------------------------------------------------------------------------------------------------------------------------------------------- 42129 My free mods: - L-motor steer: https://rebrickable.com/mocs/MOC-84984/nguyengiangoc/42129-pf-conversion-l-motor-steer/ - Servo-motor steer: https://rebrickable.com/mocs/MOC-85004/nguyengiangoc/42129-pf-conversion-servo-motor-steer/#details ------------------------------------------------------------------------------------------------------------------------------------------- 42131 My free mod: https://rebrickable.com/mocs/MOC-92919/nguyengiangoc/42131-pf-conversion/ ------------------------------------------------------------------------------------------------------------------------------------------- 42160 My free mod: https://rebrickable.com/mocs/MOC-161275/nguyengiangoc/42160-pf-conversion -
[WIP] [MOC] 6x6 Firetruck
HorcikDesigns posted a topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Hi, after some time I am back with new project worth sharing even in WIP state. After building my 8x8 Tatra (that was used for truck trial competition), I started building smaller scale version of it's chassis. It went good, but then I got stuck for approximately half a year with front and rear axles without central section on motor selection and bilding steam airship (see pirate forum for more details) . The chassis was laying under other projects and I slowly started daydreaming about building new and better firetruck. Well, first red brick was placed on the finisged chassis on the end of November 2023. Then during the xmas holiday I built the cab, and then foind out I do not know where to aim this project. I was thinking about firetruck with some kind of bucket arm or crane, or some heavy duty tow truck, but the idea of firetruck with working water gun was still there. So I have scratched sketchy outriggers that needed 3d printed wormgear (other thread direction than the original) and started building basically the airport crash tender without the typical roundy cabin... Well, enough stories. The MOC needs 3 C+ HUBs so far to power all functiobs, 6x6 drive with central diff lock, fully articated front and top watergun arm, and function switch gearbox. I plan to build it with full lights and pybricks control. Even it has more than 2kg so far, it is still a decent offroader. For a wjile was I considering building it all neon yellow, but then I checked the parts availability. Maybe next time. :D More info will come soon. More photos: https://bricksafe.com/pages/horcikdesigns/tatra-chassis-with-rc-firetruck Updates will first appear on my IG profile (horcikdesigns). Front mask with cabin: Mechanical controls of the front water gun (rotation and elevation) With 3d printed custom 7x3(4) frame the worm gear can go through and help rise the arm. Probably will try to use linear actuators in next iteration, as this adds too much friction and stress to bricks. Do you have some ideas how to achieve it? So, what do you think? Does it make sense? :D -
[MOC] Trial Truck 6x6 [free building instructions]
keymaker posted a topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Hi, I hesitated if I even should post this MOC here since it is so simple but at the end here I am. I created this truck mostly to have some fun outdoors. It has minimal amount of features and its main goal is to drive over not so pleasant terrain, like sand, mud, snow and even quite deep water. And I can do that without fears, that drivetrain will jamm, gears will skip, motors will get wet and at the end I won't have desire to clean all this mess up. I also very like the closing mechanism of "differentials" covers. It is simple, effective, works like a charm and has satisfying click when closing. This Truck is also testing ground for a couple of solutions I wanted to try out, like drive shafts connected to the axles at the angle, steering controlled by rod or way of suspension for both front and rear axles. Nevertheless please enjoy the video, use the instruction and check some details below if you want to know more. Instructions: https://rebrickable.com/mocs/MOC-136120/keymaker/trial-truck-6x6-rc/#details Some details and main functions: dimensions LxWxH: 37,5x13x15cm weight: 1132g 6x6 drive (3xPF L motors) steering (PF servo) suspension on all axles completely secure bottom of the truck with panels easy access to all "differentials" via openable covers Couple of highlights why this truck can be fun to build and to play with: Drivetrain - it is very solid, so you won't hear skipping gears, if wheels aren't spinning, then you either broke some part or stalled motors. It is also super easy to use different gear ratio or different number (1/2/3), type (M/L/XL) or even technology of motors (PF/C+). What is more, removing all electronics takes only couple of minutes and truck is ready to taking the shower to clean all evidence of you off-road madness Construction - it is very rigid and solid, you can lift it up by almost any part of the frame and body Off-Road Design - all gears are protected so you don't have to be afraid that they will jamm due to sand, mud, snow, stones etc. And even if something get inside "differentials", it is super easy to open covers and clean this up. Last but definitely not the least - ability to drive through deep water - UP TO 8CM! It over half of the height of the truck. 8cm of water and your electronics is still safe. Internals of the truck: P.S. I know it is rather ugly, but it brings fun! :) -
Hi Yes, again but with a lot new features! This Toyota Hilux 4WD / Pickup Truck in its most basic version with a simple cab and the largest possible cargo area is a typical workhorse One more extra body will be in the end;) You can use youtube autotranlastion functions to understand something:) Or just watch review and test drives. Common specs Solid axles Front suspension 4 link Rear suspension 3 link Openable doors, bonnet, tailgate 2-seater saloon LED front lights (option) Removable pickup bed and cab Wheels: 62-68 mm Power functions chassis Control: PF IR / Smart Brick (SBrick) / BuWizz Drive: PF XL motor, 4x4 transmission with axle differentials and rear auto-lock Steering: PF Servo motor Control+ chassis control: Control+ (Powered UP) / BuWizz 3.0 PRO drive: Control+ L motor, 4x4 transmission with axle differentials and rear auto-lock Steering: Control + L motor FACELIFT The exterior has been slightly redesigned and optimized, including the use of new elements and techniques that have appeared in recent years. However, I haven't given up on some simple and solid tech-style solutions in favor of smoother slicker solutions like in the Back to the Future Extra Detail version. The doors now have latch locks, since the old locks on the small cab cannot be implemented. The number of basic system elements has been reduced - now the front bumper is made in a technic style with a small nuance - the mounting of the lights in the bumper is illegal and orange tile parts can fall out and get lost. The interior uses a new steering wheel with a diameter of 4 (for PF cersion). If you do not have one, use the old one with 3. In order to prevent using boring monochromatic paints, retro-style colored stripes are added. You can refuse them in favor of plain assemblies. Initially, there are two color options - white and black. Maybe there will be other colors in the future! I believe you can build red, orange and blue versions with minor mods. CHASSIS: PF and C+ The chassis in PF version still runs on Power Function elements, despite the fact that they have already been discontinued by LEGO in favor of the new Powered Up - Control +. Power Functions are quite common among fans, in the secondary market, as well as in the market for third-party parts and electrics, which, at relatively low prices, makes the model affordable for assembly with low budget. On the results of operation, a number of important improvements have been made to chassis: A fairly common reinforced differential of a new type was used. This diff has a larger gearing of 12-28 versus the old 20-28, giving the model more torque at the price of speed. This is important when using larger wheels, both 68mm and 75mm. But more importantly, the new differential significantly decrease load the universal joints. When using standard 62 mm wheels and standard power, the cardans held the load well, however, with the increase in wheels and especially when using third-party more powerful power sources like BuWizz, the cardans could break. The new differential partially removes the problem, but if you modify the model by installing larger wheels that are more tenacious and using more powerful power sources, I advise you to also buy steel universal joints. In general, you can get by with the old differentials, but with standard 62mm wheels and standard power. By the way, in the rear axle drive, instead of a cardan, a reinforced new CV joint is now used. The second important point is the redesigned front axle mount to increase the front clearance by 0.5 STUD. This update is linked to the first improvement. For larger wheels, you need to mount the axle further from the frame. Moreover, during the operation of the front suspension, the longitudinal displacement of the axle is significantly reduced due to the longer levers and the angle of their attachment. Due to the use of a new steering servo differential, the motor had to be reversed And finally, new function! Rear differential with automatic locking in case of diagonal misalignment of the rear axle. Significantly increased off-road performance of the model will make you happy! The locking mechanism prevents loss of grip during diagonal hanging. The mechanism uses an orange wave shift clutch. The idea was adopted from idea of @Madoca 1977 . The rear axle design can also be used with older type differentials. In addition, you can build a simple and reliable old axle without a lock (but with a new differential), in case you need simple construction. Finally, I decided to upgrade to the new Control+ / Powered UP LEGO motor system. It was a matter of time, because new original PF elements are harder and expensive to find. This is especially true for the SERVO motor. New LEGO fans usually have Control+ elements only. First of all, C+ «bad» for its dimensions: all motors are larger in size. The 4 port HUB is severely limited by the layout of the model due to its large size and weight. Installing a hub in a model of my size while saving the interior will negatively affect the weight distribution and off-road performance of the model. Specifically, in this model, the Hub will be difficult to hide behind seats without adding a body cover. In the end, a compromise solution was made - to place the unit inside the cabin as low as possible. I had to sacrifice seats, but I managed to leave the backs and the instrument panel with the steering wheel. If you do not open the doors, you may not even notice that half of the cabin is occupied by the hub. Therefore, from the outside, the model looks like a regular PF. It should be noted that due to the low location of the hub, it was necessary to make the frame as thin as possible at the point of attachment of the block, which negatively affected the torsional rigidity of the frame. However, the HUB is integrated into the frame in such a way that it is an element of rigidity, and at the same time is quickly removable for battery replacement. The drive motor is now located behind the cab, flush with the luggage compartment floor. Using a flatter motor (instead of XL) now allows different main gear ratios 12-20 (standard), 16-16, 20-12, (even 8-24 and 24-8). On the PF chassis, only non-alternative 24-24. Due to the transferase shifted back, the lengths of the drive cardans have changed. The bending of the front cardans has decreased, which unloads a little. However, this low location of the lead motor made it impossible to use reinforced CV joint like in new PF chassis. In general, the weight distribution of the C + chassis is more successful compared to the PF, which is noticeable when driving on uneven surfaces and uphills. The steering L motor is mounted directly on the front axle. The front axle and its connection to the frame are made new. Control app You cannot use the existing profiles in the Control+ app to control the model (the profile from 42124 buggy has a limited steering angle) so you need to use the LEGO Powered UP app, BuWizz app, Brickcontroller2 (only with a gamepad) or Controlz (recommended): Android version. iOS temporary unavailable. The model is still modular, which makes it easy to assemble, disassemble, repair and modify. OLD BODIES You can use new chassis with old bodies and vice versa. May require minimal modifications. if possible, I will modify previous models to the level of this in terms of body and chassis. More about previous Crew Cab and X-tra cab BTTF: AUSTRALIA MOD Any aussies here? A custom tray, bumper, roof rack and snorkel available as mods. Australians will especially like these accessories. See pictures below: Could you count number of storages here? Accessories include: - Chrome Headlights (Designed by NikolayFX and borrowed from EXTRA DETAILED BTTF Toyota Truck) - Power Bumper (You can get it for free here) - Custom Tray (Inspired by Australian manufacturers) - Roof Rack (2 versions) - Snorkel (2 versions) - Fuel Cans (Big and Small) BONUS In the end I've promised one more body - kind of Dakar Rally Offroader Body is 100% alternate of 42093 LEGO Technic Chevrolet Corvette. You only need a chassis from Hilux (PF/C+). This Instruction is free. thanks @FX6000 for Instructions and cool renders Thank you and happy building more photos https://bricksafe.com/pages/rm8/toyota-hilux-single-cab-pfc-4x4- https://bricksafe.com/pages/rm8/-toyota-hilux-single-cab-pfc-4x4--custom-australia https://bricksafe.com/pages/rm8/rally-off-roader--alterante-body-from-42093-chevrolet-corvette my rebrickable account Chassis Bodies Mods MEGA PACK (7 in 1) -
For all the C+ nerds out there, here is a quick demo for using the PoweredUp remote directly with the Control+ Technic Hub using PyBricks. This is the code I'm running on my motorised 42110 Land Rover but can be used with any model using 2 drive motors and 1 steering motor like the 42099 4X4 X-treme Off-Roader set. The code has two control modes: Bang Bang mode simply acts as an on/off controller similer to how the PowerFunctions remote worked in that it turns the drive motors on while the button is pressed and then turns them off when button is released, The steering motor also goes to full lock while the button is pressed and returns to centre when released. Precision Mode acts as a speed controller for the drive motors and provides 10 speed steps in either direction and increments to steering motor by 10° on each button press to give 8 angle steps. The red stop buttons act as emergency stop buttons and the green centre button is the control mode select. I have published the code to my Github account should you wish to download it and try it for yourself. Please make sure you configure the "User Definable Setting" and the " Initialize Motors" sections to suit your needs before running the code. This code is released under the MIT licence, so feel free to download, use, edit and share this code under the terms of the MIT licence, full licence details included in the repo. You can download the code here: https://github.com/MxWinters/PyBricks-Remote-Technic-Hub -
[MOC] Dragonfly dune buggy
Daniel-99 posted a topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
DRAGONFLY Dune Buggy Hello everyone! For a very long time I had a dream to build a dune buggy, and finally, my dream come true! The main goal was to use a C+ electrics instead of Buwizz unit. Of course, I am not the first who attempted to build a buggy. I take an inspiration in Madoca`s Blue Lightning buggy. Technical specifications: - Light and ridged tubular bodywork - electrics form 42099 set (controlled with C+ app for 42099) - Long-travel independent suspension - positive caster angle on the front wheels - Long wheel for stability on the straigt lines - Double steering rack and steering arms reduce wobbling of the steering system - understeering feature (rear wheels get more grip) - RC tires 90 mm Buggy performed well, comparing to the 42124 set. It appears to be a car that is very comfortable to play with. The speed of the buggy allows you to walk with your normal speed in the park driving it at the same time! Here is a small video of my first tests: As I said, the main goal of this project was to use C+ electrics. But after that I decided to boost it with buggy motors! The overview of the car does not change much. Rear wheels get a positive caster angle, and wheel size was reduced from 90 mm to 85 mm (for reducing speed and increasing torque). Here is a short video with Buwizz-powered Dragonfly. I will definitely make another video about this car then the summer comes. -
Hey guys, During a chat I was pointed to the Steinwinter Supercargo 2040. I was fascinated by the look and decided to build it. It was designed by the german engineer Manfred Steinwinter. During my research, I found out that he build only one prototype, but planned many more versions. I liked the three-axled version and so started with a rough sketch to get an idea of the proportions: While I was searching for images of that truck, I also contacted the current IP owner and asked for blueprints. Fortunately he liked my project and he send me some. Since then this truck went through many iteration of improvements and design changes. In the end I decided to use Powered Up to control it. This is the current state: These are planned/implemented features and specifications: Current weight: 3kg Length: 86 studs Height: 14 studs Width: 27 studs Power supply: 4x Technic hub Driving: 4x C+ XL motor, each motor is connected to one hub to spread the load (3,528:1, theoretically 0,74 km/h @7,5V @124Ncm) Steering: 1x C+ L motor, two steered axles with Ackerman geometry Compressor: 1x C+ L motor, 4 pumps 3 RC valves: 3x C+ L motor, 3x newest valve one for each the rear axle, front/middle left wheel, front/middle right wheel Angle sensor for suspension on front and middle axle: 2x C+ XL and 2x Boost Medium motors OR 2x C+ XL Angle sensor for rear axle: 1x motor (not implemented yet) Air/pneumatic suspension on all axles controlled by Powered Up double wishbone suspension on fron and middle axle Each front/middle wheel on the left and right side are one unit. That means if the front wheel is pushed up the middle wheel is pushed down. That way the weight is equally distributed on the wheels live rear axle When I decided to use Powered Up I thought about controlling the ride height somehow with Powered Up. To do that I needed something to read the position of the double wish bone arms and the rear axle. Since several motors in the C+/Powered Up eco system can report their position, tried to use them to read the angle of the suspension arm. I successfully implemented that on the front and middle axle. For the rear axle I haven't found a good solution yet, because that axle can move on two axis. While I'm waiting for some additional parts, I'm working on the solution for the rear axle. As for the code, I already made a proof of concept. I created a test setup and wrote some code, which reads the angle of a suspension arm and adjusts it to the desired value. for the finished MOC a can think of something like a parking height, highway ride height and more or less off-road height. Once the chassis is finished the and the Powered Up is working I'll start working on body. Feel free to leave comments, critique and suggestions. -
Best motor for angle measurements
Andman posted a topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Hi everyone, I'm searching for the best motor to measure angles. Since I don't have all motors, I'm depended on those, who have them and could a comparison. Requirements: The motor must be compatible with the C+ Technic Hub, used for example in the 42100 The resistance, when turning the motor manually, has to be as low as possible When the motor is turned manually and you stop turning, the motor should not continue to turn with too much swing. 2. has more priority than 3. I have tested the C+ L and XL motor so far. I also have the large angular motor, but it is simply too large. The internal resistance of the C+ L motor was way to high. The C+ XL motor delivered quite ok-ish results. It is just too bulky. Perfect shape and size would be the Medium Angular Motor, which I don't have. Another alternative would be the Boost Medium Linear Motor. I would appreciate, if someone, who has these motors, could do a test for me. A little teaser why I'm looking for this info: I'm building a truck with pneumatic suspension. I using the angles of the suspension arms to detect and control the height. First proof of concept in PoweredUp is already written and working.