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Hi guys! Here's a demonstration model I built to show the potential of Buwizz. There were several goals for this model: Keep it small and light Gearing should be as simple and efficient as possible - ended up using a 40 tooth gear powering the older style differential, getting a 40/:16 gear ratio Advanced steering solution - pivot point is inside the wheel and the car is using ackermann steering geometry for best possible steering and efficiency Use Buwizz as a structural support - not only does the Buwizz power and control the car, it also helds it together Working steering wheel and openable doors - have them too Here's the result: In the gif below you can see the way the car is built and how the steering system works The end result is a very fast and maneuverable car that faces same problems as the big ones. Its actually so fast, that its easy to understeer at high speed or oversteer when accelerating. Controling it at high speed can be very hard, but thanks to Buwiz's different speed modes you can easily slow down the car. This is very usefull for parking or precise maneuvering. To finish up with a bang, here's a video: If there will be enough demand I will create an LDD model of this little speed devil
Zerobricks posted a topic in LEGO Technic and Model TeamAfter 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
Zerobricks posted a topic in LEGO Technic and Model TeamFirst 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
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