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Everything posted by Zerobricks
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gnat.bricks's creations
Zerobricks replied to gnat_bricks's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
They came out really nice indeed. Any plans for the Ferrari too? -
I just use the same slider as for normal center steering for the skid steering module, I have used this technique in almost every model that has independent driving motors. The reason for the new diff is that the CV joints in front hubs can accept 1,5 module axle length, so the diff was offset by half a stud, so that one side has a 3 studded axle and the other 4 studded axle. Now since the diff is offset, it would mean the input axle would also have to be offset, but by using the new diff, which has a thicker gear, that was not necesssary. I hope these pictures clear it up:
- 19 replies
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- mustang shelby gt 500
- 42138
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Thanks! Instructions for a single motor version are on the BuWizz website. The BuWizz app allows for torque vectoring using skid steer module. Setting the tracked steer module to 0 will cause the model to understeer, and 0.20 will make it oversteer, so currently I have it set at 0.10 I will demonstrate the effect in a video. Regarding the speed, I think it won't be that much faster than a single motor MOD, but it does have a higher acceleration, controllability and better braking performance. Because the wheels are so small and the car is so light, there have been no broken CV/cardan joints so far.
- 19 replies
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- mustang shelby gt 500
- 42138
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Few months ago I modified the set 42138 with one BuWizz motor for driving the rear wheels, one PU motor for steering and a BuWizz 3.0 to power the model. This MOD was really fun and all BUT, deep inside I knew I can do better, especially after being inspired by upcoming Bolide (and a bit frustrated by it's lack of AWD). So after a lot of trial and error, fiddling and trying literally all kinds of component placements, I came up with the following MOD: So you may be thinking, It's a different color, so what? It has a fancy diffusor, spoiler and a few body mods but what's different? Well... The answer hides on the underside photo: Yes, this small 1:16 model has all wheel drive with differentials! Not only that, but the rear axle allows for torque vectoring which allows me to fine tune handling, especially adjusting understeer/oversteer. The model has been assembled and tested with real bricks, I will post more media soon. AllI can say for now is that performance is excellent, there is plenty of torque to spin all 4 wheels and it can even do AWD powerslides.
- 19 replies
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- mustang shelby gt 500
- 42138
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There's another way. You can use the 1x4 rack bricks and set the steering in such a way that the gear just about slips at the end of the steering rack when the steering reaches the maximum angle. This way when the end is reached, the gear will simply start clicking. I used this technique in this old model:
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General Part Discussion
Zerobricks replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
The reason the new clutch gears don't accept the old rings is because the new ones are designed to work on pins. But for that they need a thicker wall to accept the pin's ridge. The thicker wall is what is stopping the old rings from engaging.- 5,504 replies
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- rant!
- Bionicle Technic
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42147 Dump Truck
Zerobricks replied to Ngoc Nguyen's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Maybe the 5L beam was needed for the B model and the designer just put it into the steering linkage. -
42148 Snow Groomer
Zerobricks replied to Ngoc Nguyen's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
So functional! It puts some 2000+ parts, 200€+ models to shame! -
General Part Discussion
Zerobricks replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Yes, the blue axle is the friction pin which is used with the pin joiner to form a safety clutch so you don't overscrew and push apart the build. I think a good use case would also be extension for mobile crane booms.- 5,504 replies
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- rant!
- Bionicle Technic
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General Part Discussion
Zerobricks replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
You are correct, you can see it here: So it's like this, 48989 without 2 pins basically:- 5,504 replies
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- rant!
- Bionicle Technic
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General Part Discussion
Zerobricks replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Here's my 30 second representation of the new conenctor used in 42147:- 5,504 replies
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- Bionicle Technic
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42147 Dump Truck
Zerobricks replied to Ngoc Nguyen's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Indeed, seems like 48989 without pins on one side. Oddly specific part though, and weird to see it in same color as 48989, I would expect a different color to prevent mix-ups. -
[MOC] MAN 8×8 Off-road RV
Zerobricks replied to dls7223685's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Well done, a good blend of Technic functionality and Model Team/Creator detailing. How heavy are both models?- 17 replies
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- off-road rv
- moc
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Universal 4x4 off-roader
Zerobricks replied to Zerobricks's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
As promised, I took some time during the weekend to prepare more media. First is a photo of the model on my new vinyl floor, I really like the bright colors: And a couple of outdoor photos, showing the suspension in action: The front suspension is inspired by 8475 and acts like a pendular axle and always splitting the weight evenly on both sides of the wheels (important with open differentials): Tech specs: 773 pieces 34 x 23 x 17 cm 1100 g 4 BuWizz drive motors 1 PU L servo motor for steering 1 PU M motor for the gearbox Top speed 13,4 km/h Lastly here's a very detailed video where I explain the issues faced during the design phase and showcase the performance of the finished model: -
Since LEGO obviously invested a lot of specialized new parts into this model (fenders, small panels), I expect they will create some new, lower profile wheels and tyres for this scale in the future.
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It was really great to meet all the builders live. Also all these wonderful and functional models inspire me to build some of my own MOCs at this scale too.
- 20 replies
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- lego
- lego technic
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Universal 4x4 off-roader
Zerobricks replied to Zerobricks's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Indeed they wobbled a lot, so I used a lot of half beams to stabilize the transmission rings on the bottom. I will talk about that too in the video.