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Found 195 results

  1. hi all, I have just started into the world of Lego trains and controlling them with Arduino and i'm afraid it's become somewhat of an obsession! I have always loved Lego and trains since I was a child but could never afford it. I have a son who's 6 and shares my love of trains so I figured now was a good time to start! :-D I have limited amount of Lego at the moment, and have been mucking around in LDD and Stud.io building some signals, etc..this also includes using Arduino to control lights as well as trains..my first try with using some IR transmitter LEDs worked, but not real well which made me wonder whether IR is really the best method of control..I have read alot of comments already from people that RF is really the way to go so I will try that next when the 433Mhz Tx and Rx pair arrive. This led me to think of the next weakest link in the chain..the battery, which only lasts so long and is a pain to have to pull out and change..I know Lego and even third party companies have a rechargeable battery, but I'm buggered if I'm gonna pay $100-120 for each one!!! I've never had any 9v or 12v rail-powered Lego, and the way I understand it, you switch on the control, it powers the rail so much and makes the train go...but what if the rail was powered on all the time and you still controlled the train with an internal controller (like the RF receiver). Any thoughts on this? Sorry if I sound like a noob, since I have no experience with how the track-powered system works. sPy from Oz.
  2. Great Ball Contraption (GBC) - General Discussion and Index This is a topic used for GBC general conversation, questions, hints, tips, etc. This first post will be used to maintain an Index of GBCs here on Eurobricks or other websites. Eurobricks topics LEGO GBC 8 + Building Instructions (5 modules - 2 motors) New Akiyuki GBC Instruction Index Other sources Greatballcontraption.com
  3. Another smart brick is in the making. Jason Alleman is one of the persons behind this initiative. This time the emphasis is on sound and lights. More info on Kickstarter: PFx Brick More info on: http://fxbricks.com/
  4. hi eurobricks! i started this topic a bit late i know, but i still havent finished yet! here is a photo of my progress so far: i need some ideas for the the dash and centre console as a car is not a good car with out a good interior! here is my progress on the inside: any help with the dash and console would be greatly appreciated! thanks!
  5. Nuclear Building is a round modular building whose shape resembles a mushroom cloud. Model characteristics: Building comprises 3 stories and has a height of 40 bricks. Fits into 32 x 32 modular standard and can be put near any other modular building not taller than 28 bricks. Building is equipped with a functional elevator. Model consists of over 4100 parts. Some of the architectural features: Model consists of 4 modules: The following picture shows how the modules are connected together: The building is equipped with a functional elevator: Despite its oversized top floor, the building can be put near any other modular building not taller than 28 bricks. The connection points are embedded in the fences. Additional links: Photo album on Flickr. Building instructions are available on Rebrickable.
  6. Hi, My latest project is not a Lego creation but an Android app that lets you control the SBrick with any Android-compatible game controller. Here is a short demo video on it: Please note that it's not available yet since it's still in WIP. Current features: - Works on Android 4.3+ devices supporting bluetooth low energy profile. - Basically works with any type of Android-compatible game controllers (I'm using a cheap one from DX). Leftovers until I release the first test version: - Profile editor is not yet finished. - Stability issues. - Minor UI updates. Any comments or suggestions are welcome :)
  7. Here is my latest creation!! The tracked crane! I recently bought a bucket and 2 l motors so I thought I would build a crane, logically . The crane goes up and down with a LA, and the bucket moves on a LA both connected to separate m motors. The drive is through direct driven l motors on tracks. This is in no way final, and I would like to make instructions for the final model. What do you think? better pics soon.
  8. Hi to everybody! I'm here to present my new Moc. I started building this crane truck about 6 months ago with the main idea of solving the problems related to a failed attempt of a crane for my previous truck. IMG_1608 by Lucio Switch, su Flickr Starting from the cab...despite the undeniable resemblance to the cab of the dump truck (with a bit of the tractor truck), it has slightly different dimensions, and the add of some new details/functions, forced me to revise it completely. In fact, in addition to the "standard" opening doors, this time, as on real trucks, the cab is suspended, while maintaining the tilting function and the working steering wheel and the front grid is openable. Moreover the seats are pneumatically suspended via 2 (1+1) 1x5 pneumatic cylinders. The chassis has the tractions on the 2 last axles, they are driven by 4 XL Motors and uses 2 Servo Motors to steering the first two axles (with different turning radius). The first two axles use independent suspensions. In this case I was inspired by the Mod of the chassis of my Tractor Truck done by Efferman ... that has a perfect shape for a fake v8. On the back there are 2 live axles (with a total of 24 hard shock absorbers). Between the first two axles there are two small pneumatic pumps moved by two L Motors. In addition to that, on the chassis are present 2 Li-Po Battery, 5 Leds for lights and 2 SBricks. Behind the cabin there is the base of the crane, it contains the front stabilizers, extendable via a M motor (connected to one SBrick), 6 pneumatic valves, moved by an M motor each, 4 IR receivers to control the 6 valves motors plus 2 other M motors, one to rotate the crane and one for the winch. The 4 receivers take power from a port of an SBrick. Finally the crane ... well, the classic design of this type of crane with the upper arm offset (as on 8258 for instance) built on this scale, gave me big problems twisting the whole structure ... and a lot of headaches. One day I came across by chance in a truck with a Cormach crane, it presented a unique design that would solve the twist problem. So inspiring to this design, I have developed my crane, which consists of a telescopic upper arm (extension via 2x 1x11 pneumatic cylinders) supported by two side arms moved by 2+1 2x11 pneumatic cylinder each. It isn't able to lift heavy loads, but it works and, considering the masses involved, I'm fine with that. Now some numbers: Length: 86,4cm 108studs Width: 24,8cm 31studs, 28cm 35studs with mirrors Height: 39,2cm 49studs Weight: 8.6 kg Total number of parts: 8000 PF elements: M motor: 9 L Motor: 2 XL Motor: 4 Servo Motor: 2 PF LED: 5 Lipo Battery: 2 ..and a couple of wire extensions Pneumatic Elements: Small pumps: 2 1x5 Cylinder: 2 Medium Cylinder old: 4 Medium Cylinder new: 2 1x11 Cylinder: 2 2x11 Cylinder: 6 Valve: 6 ..and several meters of pipes. For more pictures check my Flickr Album: Crane Truck Flickr Album And this is the video: To conclude, I would say that, in some way it was a new and interesting experience for me. Due to circumstances beyond our control, I was forced to transfer my Lego room in the basement, comfortable although perhaps a bit rustic but not directly connected with my apartment. This, coupled with the fact that my free time has been drastically reduced, has led me to review my usual workflow. So this is my first model built before digitally and then physically. This way allowed me to use better my free time and to select and pick up only the needed parts to build, reducing drastically the mess in the living room. Also part of the work for the BI is already done, I'll done them for sure, but I don't have idea when they will be ready. I'm afraid that it will be a huge job! I hope you like it!
  9. Im new to this forum so hi everyone ;) i have fun with PF from few months, and i want to buy a li-po and customize it to lego, i got two of real power hungry buggy motors, and i want to feed em' as much as i can :D I only need to know which voltage is maximum for motors, and for reciever, i have maken a research across internet, and ive heard that motors can handle max 16volts , and reciever just 9 volts, but ive heard too that motors can handle max 12 volts and that reciever too, on many forums i have read different numbers, so i have to ask here :) i have found light and small 14,8 volt li po 850 mah, in good price and i like it, but i dont want to burn my buggy motors and rest of PF, im wondering too about rc unit voltage, if it have 6 aa 1,5v bateries fully charged, it could generate 9v as normal pf battery box but when i compared them, rc unit is way better, and buggy motors are way faster, i hope that someone can help me :)
  10. Hello all! It's been a while, I posted here anything, but now I'll try to upload my works more recently. I start with this Unimog 401, which is the oldest Unimog with Merecdes-Benz star. This one has also an "Ochsenkopf" (ox head) in the hood, which was later removed in the next generations. The building time took about 2 weeks at all, and this is my first model which got the special dark green color, to get close to the original's painting. I ordered several types of these bricks, more models will come in this color. I chosed for building the 1:7 scale, with the 108 mm RC4WD rock crusher XT wheels. They aren't Lego, but as far as I can see nowadays it's normal in tyres, and the look is better imho with these. Goals: Llooking and working authentically, as close as possible to the real thing, beside of off-road capabilities and remote control. Main functions: Motorized: driving, steering, gear change Automatic: steering wheel, piston engine, PTO in front and rear Manual functions: openable hood, doors, rear side Working: One Lego PF L motor drives, one M steers. The 2 speed linear gearbox is operated by a M motor. Steering wheel and suspension also works. The original has rigid axles with torque tubes, so I chosed also them. Four of 8466's springs were taken apart, so I got 4 coil springs to get the authentical look in machinery of axles. I also attached differential imitating disks. The rear view mirrors work a little. One L motor drives the whole thing, it's sliding in two axles, because of the 2 speed (1:3 and 1:1 ratios) linear gearbox. This way there is no need for driveshaft length adjuster between the driving motor, and the incoming axle of the gearbox, but the rear PTO has one from 6 holed pulleys. There is a PTO also in the front with a pulley, like in the original. The working L4 piston engine has mini pistons from 2L axles and half bushes. Details: I wanted to build as details as possible both inside and outside, like: detailed interior, steering wheel, stickers (for instruments too), gear change levers in the cab, handbrake lever, mudguards seen from inside, fuel tank, number plates, lights, seats, rear wood cover, detailed engine room, tanks for brake, exhaust, etc. Pictures I made it in the winter season, that's why you can see snow as background: https://www.flickr.c...157667176594155 http://www.brickshel...ry.cgi?f=563725 With dark green wheel covers: There are anti-roll bars to prevent rolling, the vertical 6L links connect them with the axles: The diff imitators: Of course I made a video, too: Hope you like it.
  11. New LEGO/ Lego MOC, VW T1 BUS (VW Camper Van) Is still 10 grain width, the new version is not based on the past version of the upgrade, I refer to a large number of original drawings and objects, re design details, body length, internal structure, and customized manual spraying (silver effect) parts. The new version of the T1 will be a series of my design, I will be based on this chassis for a variety of T1 modified car design (such as: pickups, SUVs, racing cars, trailers and so on, of course, will also consider the static model). T1 is a classic, multi-purpose models, it is worth pondering, I hope there will be more based on the design of the personal style of the modified car appears, I will always maintain this series of drawings sharing. The current version is 1.1, the design will be updated at any time, with the design of the trailer will be released, welcome to communicate with me through MocPages, Sina (Weibo) and other social platforms. http://weibo.com/moonein http://www.moc-pages.com/moc.php/438905 https://rebrickable.com/mocs/MOC-8059/moonein/rcpf-vw-t1-camper-vanvw-t1-bus-10-wide/
  12. I created this modified Bucket Wheel Excavator some time ago, and I thought I would like to share it on this forum. After building the original BWE, I wanted to try to incorporate some Mindstorms functions into it. I managed to motorise all the active functions, using both an EV3 brick and motors, as well as some PF motors. Functions can be preprogrammed, or can be remotely controlled using an EV3 IR remote. Here is a list of the functions: Bucket wheel rotation and main conveyor belt - PF XL motor Lower conveyor belt - PF medium motor Boom arm elevation - EV3 large motor Lower conveyor swivel - EV3 large motor Superstructure rotation - EV3 medium motor Driving - EV3 medium motor Since I owned an NXT as well, I used it to motorise the small mining truck that was included in the set. There are also some LEDs that illuminate the 'work area', but they don't really do a good job, its just a nice thing to include. Here is a video of the excavator in action, as well as the mining truck (sorry about the poor resolution and bit rate): More info about the machine can be found here: https://www.us.lego.com/en-us/mindstorms/community/robot?projectid=3e125a5b-475c-4a4c-b3ed-e4b4f2192907 Let me know what you think of it in the comments!
  13. Hello all, I have a few questions regarding the use of 2 L-motors for powering a crawler. I have done some research and have not been able to find many MOCs that use L-motors for drive, does anyone have any advice on using them instead of 2 XL motors for drive. I know the torque output will be less with the L-motors but the overall speed will be quicker. If geared properly couldn't a L-motor be able to closely match an XL motor, but spin faster? Netting me more of a buggy type of crawler instead of a pure crawler? Also if I were to use L-motors I can keep the overall size of my axles smaller. One of the downsides is the power draw from the 2 L-motors will be too much for a Lipo battery setup, correct? I'm building some custom axles in LDD and cannot make up my mind which way I should go with my PF, XL drive or L drive motors. I have designs for both size motors, any advice or experience would be welcome, thank you!
  14. I recently bought several PF items from the online Lego shop, including 2 of the Control Switches (8869). The advertised item on shop.lego.com looks just like the one on the Specifications page of the main Lego website (https://www.lego.com/en-us/powerfunctions/articles/8869-control-b71751d95f0a422da2838a91c9093874) which has a small black direction switch as well as the main large orange switch, and the webpage specifically refers to the direction switch. However, both of the switches I was sent are missing the black direction switch! Other than that, they look identical to the design of switch on the two webpages. I have emailed Lego to say I am not happy with this, but I also searched online, expecting to find that they had changed the design, but I found nothing about it. Does anyone know what is going on? Have I been sent very old stock (the date moulded on the bottom is 2007) perhaps from before the switch was added? Or have they recently changed the design to remove the switch, but sneakily not updated any of their own marketing pages to reflect this? I can easily envisage a situation where I would need to use the direction switch to get the desired result, so I'm definitely not happy that my switches don't have them.
  15. Hello fellow builders! I felt that it was finally time to share with you all something that I've been working on/ playing with for a while now: My L-Motor Frame. L-Motor Block Types by Nick Jackson, on Flickr The concept for this project was to create a stable platform on which (primarily) steam engines could be produced with less motor& cable obstructions. L-Motor Block Types by Nick Jackson, on Flickr This would then allow the engine's body to be built relatively free of electrical components, or crammed with them in the case of tank engines. L-Motor Block Variants by Nick Jackson, on Flickr I think that the most interesting part of the frame is the fact that it is easily modifiable, and can essentially go from 2 to 7 axles! At the time of writing this however, I've only dared to go up to 4 axles for a related project. L-Motor Block Variants (2) by Nick Jackson, on Flickr Hopefully these frames and their different gear ratios will inspire you to make a steam engine! Although, there are a great many European engines that are not steam, but employ connecting rods for their drive wheels. L-Frame with Medium-Large wheels by Nick Jackson, on Flickr Lastly, here are some alternative wheel sizes that you may be interested in. These are made possible by the work of BigBen Bricks and @Shupp. The smallest feasible size would be the Medium-Large drivers by Shupp. These would need a bit of reworking from a standard L-Frame in order to clear switches and such. New Wheels!!! (2) by Nick Jackson, on Flickr Here, a set of XL wheels from BigBen fit nicely on a standard frame. L-Frame with XXL wheels by Nick Jackson, on Flickr And, by upgrading to the longer frame size, you could even accommodate 6 of Shupp's XXL wheels! Hopefully this post will benefit everyone, but moreso people who've had a difficult time getting into trains, and especially steam! Please, let me know your thoughts, and definitely share your ideas for a potential future build that might benefit from this design! Oh, and here's the link to the files: https://drive.google.com/open?id=0B9xAgBdzDImZaFFsM2lGVkdmcEk Thanks for reading, ~M_Slug357~
  16. Here's my first attempt at making a small switcher that is PF powered. There are no special techniques in play the design should be self evident in that the PF components drove the design, though I think it turned out OK. I was even able to put in working headlights though they are a bit large. and for good measure, here is my reference photo:
  17. Hi there, after assembly 42043, I wanted to make a little copy. It turned out for me or not, it's up to you. Motorized functions. - Steering (Servo motor) - Driving and tilting of cargo bay (L motor) Manual switching functions "driving - tilting of cargo bay". When cargo bay is lifted, the side automatically opens. The cargo bay is mounted on a separate frame and fixed to six connectors to the truck chassis. So you can easily replace it with another element. The trailer is made similar to a truck. http:// http:// http:// http:// http:// http:// http:// http:// http:// http:// http:// http:// http:// http:// http://
  18. may i introduce my latest wip supercar the WARRIOR SUPERCAR it was going to feature 4ws but was very hard to make without taking out the diff i so far has steered wheel in cabin, suspension, 2 xl's geared up 2:143:1 through the diff as my first supercar on this site it is not too advanced however it is not my first..... full gallery here tell me your thoughts aventador
  19. i have been wondering a bit whether any of you have had a faulty pf part i thought of this because i had a pf remote with a faulty control stick tell me your thoughts aventador
  20. Hi all! I finished this build yesterday, and am quite happy with the resulting model, so I took it out for some pictures today. Unfortunately the batteries in the model died out before I had a chance to film it, so I'll have to do that tomorrow (feel like I need to prove that all the functions actually do work on this one ) So here it is, the Tow Truck Mk II, a combination of a European truck with a typically American "rotator crane"(??) on the back (a Eurotator?) First some information regarding this MOC (of course, you don't have to read it ) As many of you might know, I built a pneumatic tow truck/recovery truck roughly two years ago, and a lot of you even seemed to like that model! When I finished that model, I wanted to make an RC PF version with the same functions and body, and I also wanted to make one powered by just one motor, with function switching gearboxes as the ones you see in most of the official non-RC PF sets released by TLG. Well, it only took about to years to get around to actually doing it! Due to the fundamentally different techniques building with pneumatics vs mechanical functions, some compromises had to be made, and some features could even be added! Firstly, this model has no suspension. The back of the model is pretty densely packed with axles and gears and functions, so fitting live axle suspension while maintaining a somewhat acceptable overall rigidity in the model was deemed impossible (for me) very early on. Also, du to the various functions going to the front, suspension there was not worth it either. Secondly, the swing-out outriggers of the original model from 2013 needed to be unnecessarily complicated, bulky, and not very strong, so I opted for an alternative solution. However, I did manage to make the fourth axle steered, something the 2013 model did not feature As you can see, it uses the genreal colour scheme and a lot of the stickered pieces from 8109. The model was initially all yellow, like the last one, but I wanted to spice things up a little, and am very happy with the resulting colours Okay, enough babbling, here are a couple of more pictures: In the above picture, everything is deployed/opened. The motorized functions are: 1. Tiltable cabin (small LA) 2. Front stabilizers/outriggers (small LAs) 3. Front winch 4. Middle outriggers (worm drives, self locking geometry) 5. Rear stabilizers/outriggers (small LAs) 6. Wheel lift elevation (small LAs) 7. Wheel lift extending (large LA) 8. Wheel lift tilting (small LA) 9. Crane rotation (worm drive) 10. Crane lifting (large LA) 11. Crane boom extending (worm drive/z8 gear/gear racks) 12. Crane winch Other features are: -Openable doors -Working V8 engine -Openable side- and rear panels (to access battery box, as well as some chains and attachments for the towing fork) -Proportional steering with Ackermann geometry on axles 1, 2 and 3. The crane superstructure has two gearboxes for the three functions up there. That means there is a constantly running single axle going through the turntable, and the cranes functions are selected up top. This allows for infinite rotation, with none of the cranes' functions being affected. Yeah, I know that bull barmight be ever so slightly overkill, but IMO it's not too bad It can even lift things directly in front of it Lastly, the underside shot: Also, for those who haven't seen them yet, here are a couple of quick renders showing the internals of the model: And with colour coding for the various functions All pictures and renders can be found in higher resolution in the appropriate Bricksafe folder. Overall I'm quite happy with the resulting model, but even though all functions work, at least one of them is not ideal (cabin tilt; I'm looking at you). Also, I feel the crane superstructure could be made more elegant. Anyway, hope to be able to make the video tomorrow! Comments, thoughts and criticism is as always appreciated!
  21. Hey Guys, Currently purchasing parts for my first project (more on that later), but starting plan the next one. I am looking to build a narrow gauge steam locomotive and railway with the Indiana Jones track. I am looking at a classic 4-6-0 ten-wheeler, similar to the Lone Ranger Constitution but scaled more to narrow gauge. Ala Walter E. Disney: or more like Tweetsie No. 12: To scale to narrow gauge on the 3-wide IJ track I wanted to use 50254 for the leading truck wheels and three sets of 55423 for the drivers. My issue is gearing the drivers while still making it look like a steamer on the outside. I am aware of Space2310's bogie, but was trying to keep the outside a little less clunky and just having a driver rod with something like 32065 or custom Zephyr rods. So I am asking for your help to design a 3 axle narrow gauge PF bogie, hopefully internally framed. The center axle probably has to be floating to contend with the 3-wide sharp curved IJ track... Any bogie gurus out there?!
  22. Hey guys! As some of you know, I recently got back to Lego trains after 15 years of neglect. A close friend of mine thought it was a good idea to document my progress, thoughts and plans on a personal blog, so others would be able to one day build their own big layouts and see what I struggled with and how they can do it better. I'd like you guys to check it out and use this forum to comment on my posts and maybe give me suggestions (I love ideas) on things you would want to hear about or see of. This blog is entirely dedicated to my Lego trains project. So far there are 4 blog entries (The latest one is being uploaded right this moment). If you wish to comment on something, let me know which post you're referring to, so I know what the topic is. http://wafa-sadri.de/pages/blog.html Thanks for checking it out! //Edit: By the way, I try to post once a week, every Monday.
  23. hi all, some months ago i made this video of lego battlebots, and now i'm posting it there because maybe you could be interested also for TC11, you'll find all the bot info in the video but i'll clone them here too, hope to bring up a brickshelf folder asap for the two bots (but i have to rebuild them due to pieces and electronics being used for witch doctor replica, cardiac two, fanmade design, killerhurts and recyclopse chassis, and other 3 500g class bot an grabber a lifer and a flipper) PULSAR weight: 700g size: 23x27x9studs weapon: 73g spinning drum with two single teeth 1900rpm strenghts: really effective wedge shape used to go under the opponent and lift them with the drum energy weaknesses: the drum isn't enough fast to launch the oppnent on the air, wheelholders may break off easily, weak wepon belt CARBIDE weight: 730g size: 32x32x9 studs weapon: 84g spinning bar 750rpm strenghts: great power and though armor, effective rear wedge weaknesses: the armor can e warped or bent and increase friction in the drivetrain, hard to control, high battery consumption here a photos from Ellis (pulsar builder) about size comparison here the video: NB it is really long, if you want, after presentation, you can skip to 11:02 to skip the fist fight (a bit long and boring) and save time without losing the most of the action! i'm keeping editing this with photos and videos from my twitter, it is hard to find them back but i'll try: CARBIDE PULSAR
  24. Hello, This is my first post. I built Wing Body Truck seven months ago. Then I knew that many people wants building instructions. Now it is available. Sorry for late, because I've worked alone! Total 4126 pcs. The weight of Truck is 4600g (with 6x Eneloop batteries).
  25. Hi Guys! I would like to present you my latest build. Not usual small excavator truck. The target was to create small excavator truck with as many functions as possible. I wanted to build truck with 8 functions, to use all IR ports, but in this small scale, I only manage to put 5 and I put 3 functions to Dump truck in same scale. It was quite hard to put all functionality to such a small body, but the result is worth it. It has 5 PF controlled functions: 4x2 driving, steering with great steering radius, rotating platform, controlling beam and controlling bucket. Is very well playable and It can dig a sand/brick and it is enough powerful to take itself out of the ground. It's robust enough to survive young child play. More info about Dump truck can be found on my blog lego.tomashubik.com Some photos: More photos and indo are here: Excavator truck Dump truck VIDEO COMMING SOON...