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Everything posted by aminnich
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Gearboxes
aminnich replied to aminnich's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Just as a quick update: The concept of my take on a completely RC 6 speed automatic gearbox works, 2 problems. I do not have enough pf switches and it will be pretty big after it gets built. Technically it is a however many speeds you want gearbox, just gear down the motor, and you have another 2-speed selections. I am not sure that I will buy more switches for this project, as I never use them anyway.. but maybe I will bite the bullet for $4 a piece. Now that I think about it, that not too bad for coming up with an automatic gearbox concept :) -
New Technic Background?
aminnich replied to Aventador2004's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
If you want to change it to the Chiron for the late 2018 models, then why not change it to the MACK truck for the early 2018 models.... -
Gearboxes
aminnich replied to aminnich's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I think this conversation is going off in a tangent. I am not necessarily talking about the torque speed ratio, in mainly referring to the amount of friction in a gearbox just to ultimately get to a 1:1 ratio. This is great, but the gearbox does not work like n automatic transmission where the car is getting to speed where the higher gear ratio (1:1 in this case) can be achieved. What Sariel said about the different gear ratios in the gearbox are for different driving applications makes sense. -
Gearboxes
aminnich replied to aminnich's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Thanks for the response, lots of good information. I have combined 2 different type of motors together using a differential before to get a "combination" of the motor for the output shaft. It worked pretty well. But that is a whole different idea from what I was originally talking about. We all want speed out of our MOCs, most of the time. Having a MOC with crazy torque that can pull crazy loads is awesome too. I have a crazy idea for an automatic transmission, I will try and build it tomorrow. The concept is crazy, but it just might work. If I do not have something posted tomorrow, I either am still working it out or it failed -
Gearboxes
aminnich replied to aminnich's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
pretty much this makes a lot of sense, but I still wish there was a way to make a proper transmission. Its LEGO... there has to be a way -
Gearboxes
aminnich replied to aminnich's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
First thanks for the comment, you were one of the builders that I really wanted to hear from. So what you are saying is that gearboxes are not meant to be used like a typical transmission in a car? Thats a bummer. I guess to use my semi truck example with your explanation, I would use a low gear for a heavy load, the middle gear for an empty trailer/light load and the highest gear, most likely 1:1 for just driving the truck around. That makes sense. Maybe it is time to make something that works like a transmission... -
Hey guys, I have been toying around with a MOC for about 2 weeks now and I have the rear end completed (ik not normally the place to start) I have been thinking about adding a gearbox for something new to my MOCs and I think this MOC would be perfect for trying it out. SO I have been building other builders gearboxes today and yesterday and find one common idea, lots of gears lot of friction. This concept is fine, but after you are putting all that stress on the motor, the highest gear ratio you get out of most of the gearboxes is 1:1.. so what is the point of having the gearbox after all?? For example, a transmission in a semi truck has so many gears to get the truck going... so you could say that these gearboxes are for that, getting the MOC up to the speed of the motor. But without a proper clutch and so much friction, the MOC would not roll when the clutch is pressed in any way. Do you guys get what I am saying, I am trying to put my thoughts into words and sometimes that does not always work out haha. Let me know what you think of using gearboxes in the MOC, worth it or just a hassle?
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Technic models on the Ideas webpage do not get much attention no matter what, look none of them have been made an actual set yet and I do not think it will happen. That being said, your models are not necessarily the reason why you do not get as much attention as you would like. I would not be too concerned about that kind of thing. This is probably one of the cleanest drone builds I have seen. I really like the look of it and we all know LEGO can't fly, so manual rotors are the best way to go. Nice build!
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not extremely important, bt did you see the size of the box up on the shelf in the one picture?!?! Its massive
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@Timoonn Where did you get those? The Instagram pictures had horrible quality.
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It is there so that someone doesnt try and pick up something impossible to pickup and tear the gearbox to shreds...
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With the battery box in the superstructure, we can assume that we have an axle running through the turntable from the superstructure to power the chassis functions. I am not usually a fan of this, it results in too many gears and too much friction. Ik the first thing I would do to modify it is to add a battery box in the chassis and have them run as independent components.
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duh... i havent had my morning coffee, got up and read the comment first haha do you think we will get steering modes like the Claas?
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Motor function wise is see; single stage outriggers, superstructure rotation, boom up/down, and boom extension. Am I missing something?? Because 4 functions doesn't seem like a whole lot for a massive model like this. I do not see a receiver to make the model RC, so I do not count drive and steering as functions in this case. As for functions that might be there that we can't see; suspension, cab tilt second stage outriggers? I feel like there is something more in the chassis. The model is huge, so something has to be in there that we aren't seeing, right?
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1. maybe 2 rings with some kind of ball bearing in between? Like this 2. I would think either 2 battery boxes (unlikely) or a second gearbox in the superstructure, like 42055.
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If these can't be posted, please delete this post. I do not see a problem with it since it is on a much more used social media site where anymore people will see it.
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Technic 2018 Set Discussion
aminnich replied to Jim's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Thank you sir!! Finally a picture!!! -
That is a genius solution. This is going to turn out to be one incredible build. Can't wait!
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In the close up picture you posted last, what does the gearbox shifter do that is to the left of the picture? Change the steering mode? outrigger function? It looks to me like its one "shifter" but changes 3 gear selectors.