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Everything posted by Lipko
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Audi RS 5 DTM
Lipko replied to Lipko's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Unfortunately I can't make a full precise LDD file due to some LDD bugs (like with the shocks) and the lack of flexible axes. I don't plan to recreate the model in LDraw for a while. -
Audi RS 5 DTM
Lipko replied to Lipko's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Well, no I still don't dare to built the V12 -
Audi RS 5 DTM
Lipko replied to Lipko's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Thank you all for the comments, and thank for the frontpage and the pro tag (which I don't think I earned yet, compared to more talented builders with larger portfolios). Some more infos about the model: The rear suspension is based on the real model, but I didn't have much reference about it, only some schematics. The suspension uses an extra Lego rubber band (maybe you can spot it on the images), because the body is quit heavy compared to the chassis. About the quattro drive: all DTM cars have basically the same (the chassis, the engine, everything is extremely regulated) and all have rear wheel drive. The LDD version will soon be ready (about 1-2 weeks). I haven't decided about the video yet, I'm still thinking what to put into it. -
Audi RS 5 DTM
Lipko replied to Lipko's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Thanks for the comments. I'm not planning to make instructions but I will make a digital version for sure. The LDD file is almost done. This model is highly modular, so it will be much pretty easy to build even without instructions. -
Tank Turret Solution
Lipko replied to DickesC's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I would use the "inverse" gear of the turntable to transmit the rotation of the turret instead of leading two axle through the turntable. then you can use a differential to add sum up the rotations of the two axles (like you already do). Or you could move all that compensator gear train under the turret to save space inside the turret. -
Audi RS 5 DTM
Lipko replied to Lipko's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Thanks for the comments! Sure: -
This is my latest MOC, a manual model of an Audi RS5 DTM (2013). You can help it becoming a real set by supporting it here: https://ideas.lego.com/projects/67145 DTM is a German touring car race series. Model details: Length (excluding rear wings): 46.4 cm Scale: 1:10 Features: -Independent, push rod suspension -4-speed manual gearbox -V8 fake engine -Rear wheel drive -Hand of God and cockpit steering -Opening, locking doors -Chassis with monocoque and roll-cage More pictures can be found here after moderation: http://www.brickshel...ry.cgi?f=536041 Chassis WIP thread: http://www.eurobrick...topic=88403&hl=
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Alternative Parts for Soft Axles
Lipko replied to Sheepo's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Is the red plane (9394) hard to get? I have a decent amount of red flex axles, decent enough to make one car at a time. Hmm... I may have had too many beers today, this post is pretty nonsense. -
Efferman's Custom Parts
Lipko replied to efferman's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
You don't need two ports for that. You just need a T pipe before the port. But let's not derail the thread this much. Sorry to chip in. -
Efferman's Custom Parts
Lipko replied to efferman's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
There is some reason why air tanks has more than one ports. In fact, most standard (manufactured for standard pneumatic purposes) air tanks has 3 ports. 2 at both ends and one on the cylindrical surface. I'm no expert, I admit, but I do work with pneumatics day-by-day, and if the tank is used as a buffer, a rule of thumb is that the input port is at one end, the output port is at the other, and if we have to measure the pressure inside the tank, we use the middle port. I don't know the theory behind it, maybe the 3 ports are there only for practical topological reasons. I guess for a Lego model, you don't need to be so sophisticated. -
[MOC] 1:10 Lancia 037 Rally Car
Lipko replied to Hrafn's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
It's nice to see more and more models that try to break out of the completely flat roof design. It's pretty hard to make and I don't think your solution is the best I have seen but the overall looks and the colorscheme of the model is awesome. And it's also good to see advanced front suspensions to get widespread, I feel lame that I never considered going deeper into that, and my upcoming, much bigger car MOC has the twenty-something year old Lego suspension design. -
I would be surprised if a concrete beam with the same width would be more stable than a steel beam (or maybe it would be more fair to compare beams with the same mass per metre). I believe the reason for using concrete in compressed elements is simply that it's cheaper than steel (or maybe it has also some better non-mechanical properties that's beneficial in certain situations).
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I think it depends on the type of load and how/where you apply it. Would it be a single force at the end (all the weight is supported by only small region at the end)? Or is the weight well distributed all along the horizontal beam? If the latter, I'd go for the red solution, as the diagonal beam is more vertical and puts less horizontal force (thus less bending torque) on the vertical beam. Actually, for this reason I would go for a diagonal beam which is closer to vertical if the vertical beam is very long (so you can only attach the diagonal beam to the middle of the vertical beam). If the load is applied at the end of the horizontal beam, I would go for a longer diagonal beam with an attaching point closer to the load application place. But this will introduce stability ("buckling") issues, so you would have to add another diagonal beam which connects the middle of the main diagonal to the corner of the vertical and horizontal beams. (TBH, I don't do much mechanics stuff nowadays and I haven't put too much thought into the matter)
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offset axles
Lipko replied to Dans lego's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
That's not true since there are two U-joints (and the offset axles are parallel) so one U-joint compensates the jerkiness of the other's output (only if they are placed correctly and on the posted picture they are). -
[MOC] Compact Convertible
Lipko replied to Hedgie's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
As far as I know, it is only forbidden to sell instructions or sets of the model. Free instructions are okay. But check the latest state. I say go for it, but don't hope too much. Technic models get lost in the crowd incredibly fast. Only Sheepos model got the 10.000 votes. The second closest is stagnating around 6000 votes for almost a year now.- 57 replies
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[MOC] Compact Convertible
Lipko replied to Hedgie's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Try it.- 57 replies
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question about steering system
Lipko replied to lilongwe's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
me not -
question about steering system
Lipko replied to lilongwe's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
The gear rack is designed deliberately in a way that the 12-teeth gear should fit it when the gear is perfectly "centered". Probably the gear rack was off by 1 tooth and disassembling/reassembling the thing accidentally solved it. Since 12 is divisible by four, turning the gear with 90° does nothing by itself. -
Robust Building Techniques
Lipko replied to DrJB's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I was talking about my experience. But I'm not a good builder. I'm only good at the looks of a model.