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Everything posted by Zerobricks
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RULES Build a body on the top of the predefined chassis. Instructions can be found here: http://bit.ly/Competition_instuctions You may extend or retract the cassis by 2 studs and change the type of wheels. Any other changes to the chassis are not allowed. You are only allowed to use unmodified Lego bricks and a BuWizz, no gluing or such allowed. You may use third party rubber bands or strings. Each participant is judged in for the following: 1. Aesthetics – the model with the best-looking body 2. Most epic stunts performed – a jump, drift, crash, chase, etc… Try your best to set up and record the most epic video of your creation. Contest voting will be held at here Eurobricks forums, each user can assign points to 6 competitors using the following formula: Contestant 1 : 10 points Contestant 2 : 6 points Contestant 3 : 4 points Contestant 4 : 3 points Contestant 5 : 2 points Contestant 6 : 1 points Competition start: 10.09.2018 Competition END: 20.10.2018 31.10.2018, 23:59 CET PRIZES: 1 st prize: 3 x BuWiz 2 nd prize: 2 x BuWiz 3 rd prize: 1 x BuWiz
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Zero's workshop
Zerobricks replied to Zerobricks's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
You do not pair with Buwizz, you use the app. Check the tutorials I made on Buwizz's channel :) -
Zero's workshop
Zerobricks replied to Zerobricks's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Hi, you have to set up power level in BuWizz app and than use Sbrock :) -
Zero's workshop
Zerobricks replied to Zerobricks's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
There are new torubleshooting vids available to help you :) -
Zero's workshop
Zerobricks replied to Zerobricks's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Hi everyone I have a small update which I want to share... As of today I am working for BuWizz team, where I am responsible for Technical support - helping with technical issues and tutorials Building and recording all kinds of models powered by BuWizz to show off it's performance and And finally community support and feedback So now you can expect more of my content, but not only here and on my channel, but also on BuWizz's official youtube channel. -
42083 - Bugatti Chiron
Zerobricks replied to Jurss's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
So I finsihed this model today. Aestehtics: The car generally looks very good, most of the details are very well done, but it seems the level of details is not constant, The rear and front parts are perfect examples and contradictions in this regard. Functionality: Here's where things get tricky... While the gearbox is a marvek of engineering, it with a combination of the engine produces A LOT of friction, especially in high gears. And yes I made sure all gears are spinning smoothly. My car came with slightly different suspension arms which have a large nodge lenghtwise. They grabbed the 3L friction pins much harder than any other beams, so the friction in the front suspension is very high. Yes the car does not return to the original position, but the suspension does raise some 6mm and that is good enough for me. Construction: The model is incredibly dense and stiff. I am not sure if all the cross reinforcments and layers are really needed, have a feeling there is a current trade at work to use more pieces just to bloat the number of parts... IMO the whole model could be optimised to get rid of at least 500 pieces, while keeping the chassis stiff. -
42083 - Bugatti Chiron
Zerobricks replied to Jurss's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Took the day today to build and stream the 42083 on my youtube. So far I finished the rear, parts of the chassis with gearbox, suspension and engine. All I can say is that it's DENSE. I do not know if all the cross reinforcing and multilayered beams are really needed, but so far this part of the chassis is very stiff and solid. Having said that, I dislike the way designer attached rear brake holders, they are not aligned with the rear hubs and they are attached with friction pins...The whole suspension has friction pins where not needed. And the one place where they could use the friction pins, to hold the springs (black part of 6,5L springs have slightly larger holes) they used frictionless ones... I am also a bit worried about the 5,5L axles sliding out of the differential when suspension is compressed, I think they could add a few bushes to hold the axles inside and just rely on the 12 tooth gears to hold the axles in place. -
Your system works great for normal use, but at extreme angles there will be issues, yes. Hope you are not discouraged.
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It's same sitation as the actuators used to lift the 42082, which get desynced at higher angles. Imagine one of your axle flexes 90 degrees. One of the driveshafts will gain +90 degrees and other one will lose 90 degrees. This will cause one of them to carry much higher load and othe other one can even oppose it. You can try it by fixing U joints to the frame and to the axle and trying to flex the axle.
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Did anyone think how increasing the angle of boom operation affects force? Let me tell you, the higher the movement angle you want to achive, the smaller the lewer, the more force its needed. That would mean that actuators would have to be fixed at a lower point of the boom, where there would be more force on them and actuators themsleves would struggle more, especially in an already difficult setup. Those +10 degrees are IMO a nice balance to ease up the lifting function. Otherwise they would have to use more actuators and lifting function would be slower and everyone, their grandma and her dog would complain about that.
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But I see one design flaw with your set up. At high suspension flex angles, your system will experience desync of the axles.
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Very well designed video and a good video. One suggestion. You can use the dual driveshaft drive to power left and right wheels indpendently. This way the model can still steer well, but there are no drawbacks of an open differential.
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General Part Discussion
Zerobricks replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Anyone else misses ball joints and hard 9L springs for the last few years? I think the last time we saw the ball joints was in 2015 and hard 9L springs in 2013.- 5,506 replies
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- rant!
- Bionicle Technic
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So simple and cute
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Making at least one axle pivot and using the claas tyres should not be that difficult IMHO. It would also give outriggers more purpose, since at the moment they have almost no purpose with fixed suspension other than increasing the base.
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So the ROUGH TERRAIN crane has no suspension what so ever, not even a pendular axle?
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Reute the steering through turntable and driveline via U joints pass pass the turntable, since steering needs to be the "priority function" with less slack.