Divitis
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Everything posted by Divitis
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MOC: LEGO Technic Multi-Function Off-Road Truck (MFORT)
Divitis replied to Paul B Technic's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Nice truck, really like the yellow and white color scheme :) Now please allow me a question, I hope it doesn't come across as rude: Did you have Chat GPT assist you with the writing of the post? The style seems somewhat familiar ;) -
Technic 2024 Set Discussion
Divitis replied to Ngoc Nguyen's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
It looks to me as if Lego has been slowly paving the way for more powerful motors in the past years. New differential, wheel hubs, joints... these components are designed to handle more power than what can be delivered by the current PU motors. So from a mechanical perspective, the time is ripe for something new. Maybe an updated buggy style motor. -
Ultimate 6+N+R Sequential Gearbox
Divitis replied to Anto's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Great work! It looks like a very efficient design in terms of moving parts/attrition. I especially like how you tried to make the gear ratios realistic. Too often I see this overlooked. -
General Part Discussion
Divitis replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
This is the clearest video I've seen on the topic. My impression is that the amount of force needed to put their bar in action seems to be more than what would come naturally out of turning.- 4578 replies
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- Bionicle Technic
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General Part Discussion
Divitis replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Genius! Anyone has implemented it in MOC yet?- 4578 replies
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General Part Discussion
Divitis replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Help me learn. They are not intended to be rigid though, they are supposed to absorb part of the movement. So the hockey piece wouldn't work. Of course you're right. I guess I was thinking of springs because that's something that Lego already uses. So it would be more easily 'legal' for them to implement than a bending piece of metal.- 4578 replies
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General Part Discussion
Divitis replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
If you put that sort of spring into a bar shaped case it becomes a bar, no? An axle going through this piece rotates the same amount left and right. So it would effectively lock the suspensions together. The spring would only make it stiffer. Connecting axles to the left and right of the torsion spring would have the output one rotate less than the input one, which is the point of the system. I think. If someone knows better please advice. I'm no engineer and don't want to pretend.- 4578 replies
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General Part Discussion
Divitis replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
This is how a torsion spring looks like. All that Lego needs to do is putting one into a 'case' with axle holes. Then, we could even have different versions (soft, hard and so on) that match the rigidity of the shock absorbers.- 4578 replies
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General Part Discussion
Divitis replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I agree, adding a function that you don't see the benefits of doesn't make much sense. Unless the disconnect feature is implemented in a big off roader maybe?- 4578 replies
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General Part Discussion
Divitis replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I am afraid the problem with anti roll bars and Lego is that they work by bending themselves. So unless a specific piece comes out that is designed for torsion, I don't think a regular part will ever be put under such stress in an official set.- 4578 replies
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General Part Discussion
Divitis replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Thank you! Thank you! Thank you!- 4578 replies
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General Part Discussion
Divitis replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Yes, I'm fully up to date and even did a clean installation (didn't have anything custom but your part pack anyway). The wheel still doesn't show up. Any chance you can be so kind to send it over to me?- 4578 replies
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Jurss' Workshop
Divitis replied to Jurss's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
There isn't enough play unfortunately. However, your comment made me think, what if I added some? And this worked - replacing the axle with a 2L bar. But this way, all rods would go up and down at the same time, which isn't realistic. So I introduced a flex bar and it looks very promising. It can probably only be driven by one side but that shouldn't be an issue for a fake engine anyway. Also, a 'flower' 1x1 round tile fits perfectly on top of the wrenches/rods. It simulates cylinders nicely. I'll work on proper bracing and add the other wrenches. Then should probably open up a thread to share the technique with everyone. -
Jurss' Workshop
Divitis replied to Jurss's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
@Jurss This works smoothly. And also allows for a piston of sort to be attached (note the round 1x1 plate) However, I cannot think of a way to have the left and right side work together without offsetting them 1/2 stud. Ideas? PS: I'm Italian. -
General Part Discussion
Divitis replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
84772 returns no results.- 4578 replies
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General Part Discussion
Divitis replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
This helps, thank you. Honestly, I think Philo's pack was integrated in Studio at some point but nobody bothered to check if the parts loaded properly. In fact, even in a 'vanilla installation' like yours, you will find the Vespa tires, but not the wheels.- 4578 replies
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Jurss' Workshop
Divitis replied to Jurss's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Great minds think alike! I just got a bag of these to use as Engine connecting rods in a mid scale (9 studs long) V12. I'll keep you posted on the progress. Meanwhile, if you need me to experiment with the part on your behalf, just let me know what you wosh to know. :) -
General Part Discussion
Divitis replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
All the parts from the pack show up in the tab, only the Vespa wheel is missing. I thought of opening the part in Part Designer but the archive contains hundreds of files and I don't know from where to begin. Help appreciated here :) Btw, does it load on your side?- 4578 replies
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General Part Discussion
Divitis replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
@Philo In the part pack 1H 2022, the Vespa wheel doesn't load in Studio, can you please help? As it's the only wheel that fits the tire it makes it kinda hard to use. I hope it's OK dropping you abline here, as I saw you posting updates in this thread. And thank you so much for creating those parts packs! Keep them coming please :)- 4578 replies
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Worm and sector steering
Divitis replied to Divitis's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
That's a great question @gyenesvi and I couldn't find the answer to that. In my Lego version I noticed that the 'black cube' is less geared down and moves faster on the worm than brick built actuators. This makes the solution better suited for steering. Maybe it's also the case in real life? Also, all Lego solutions that I saw using worm screws also include the 24t clutch to stop the steering instead of relying on the C motor auto calibration. I reckon otherwise the worm gear down ratio would break the model. Happy to be proved otherwise of course:) Meanwhile, I finalized a compact version, properly braced so that the motor calibrates with no issues - it needs a hard stop, if there is play/flex in the mechanism the calibration fails. Unfortunately I cannot record with my phone and use the app.. -
Worm and sector steering
Divitis posted a topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
As I begun working on MOCing an old car, I wanted to go realistic and integrate worm and sector steering just like the original model. Worm and sector on Wikipedia At first glance it feels overdesigned, and it probably is, especially for a Lego model, but ultimately works well and is precise. The new worm gear piece works like a charm but the main drawback - which admittedly negates one of the advantages of the original design - is that the 6L worm can be backdriven. However, I reckon using the 2L worm would require too much bracing to be integrated in the space I have. This is the first working prototipe. The main issue has been bracing the worm securely. The amount of force the 'black cube' exerts on the frame is nothing short of impressive, it must be a 45:1 reduction or something! -
Worm and sector steering
Divitis replied to Divitis's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Hey Jundis, the cube that slides on the new worm gear replicates quite accurately how the actual mechanism goes, so as soon as I saw the schematic as part of the research for my MOC I thought of it and never looked back :) Connecting the worm gear it to an sliding 8t would probably require a lot of bracing to ensure the movement is smooth, and otherwise using a rack would make the mechanism really redundant, something like this: -
[TC26] Arctic Monowheel
Divitis replied to Tobi Wankenobi's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
This is impressive work, and big thanks for sharing the code too! -
[WIP] Lifted Truck with 3 steering modes
Divitis replied to JLiu15's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Thanks @JLiu15, appreciated! -
Angular M Motor - Remove absolute position?
Divitis posted a topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
EDIT: Faulty motor, my bad. In theory at least it works as it should. Hello, I would like to use the angular motor to steer a vehicle, but I find very annoying that, unlike the L motor, it needs to be pleced perfectly 'zeroed out' in the build. While the L motor 'finds the center' by spinning in both directions until it hits a stop on both sides, and then goes back to the relative middle point, the M Angular always goes back to its 0 mark. Which means, that if your rack and pinion steering 'skipped a tooth' due to a crash or some thinkering, the App calibration doesn't work, and one has to re-align the motor manually, which can be a pain if it's buried inside the model. Is there any way to make the M angular behave as the regular L? Thanks!