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Toshi

Eurobricks Vassals
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Everything posted by Toshi

  1. Toshi
    Nice part and good video! Quite expensive! Did you have to pay import fees / taxes in addition to that? And these RC parts look sick, but are a bit much for my taste too! I don‘t mind if the part looks like Lego but is made of a different material, but this does not feel right!
  2. Toshi
    I for my part was not aware of them… Yes, a diff frame with bearings would be very cool! The one from the link is plastic though, right?
  3. Toshi
    I had a look at their frames and I don‘t think they have ball bearings!? I was thinking about getting one and leaving out the washers… As far as I understand their description, the central holes on each side are a bit deeper, so there is less play for the components to move in the first place! Did you buy the parts from their website or from eBay? Their website refers to eBay in order to be transparent about additional cost, but their German store is empty and eBay UK lists the prices in £, so I am not sure they really include all costs!? By the way: did you see they offer metal wheel hubs now?! They are expensive but look pretty wild to me!
  4. Toshi
    Okay, thank you!
  5. Toshi
    Hm… Any difference besides the color?
  6. Toshi
    I do remember a few posts from a while back about some model without published instructions, I think…
  7. Toshi
    You are not talking about the B-model of the 42129, are you?
  8. Toshi
    I am happy you like the idea and the alternate „power pack“ looks interesting! But the necessary delay makes me kind of sad too… Was really looking forward to building one of your MOCs again! Is it possible for you to share the parts list ahead of the instructions, so we can begin sourcing the parts? At least that way we can start building right away, once the instructions are ready!
  9. Toshi
    Hm… why not „simply“ leave out the 3rd party parts in the instructions? And tell people where to add/exchange them if they want more performance / better integrity / improved part life on a different site? Iirc, we are only talking about the metal liftarms, the tires, foam inserts and washers, right? Or would that lead to too much frustration for those who build the model in a „pure“ fashion, because of high wear and tear?! edit: kind of a „lower performance version“? I would guess that most people interested in the model might not have the BuWizz hardware anyways and will (try to) power with different motors / power supplies?! (might be difficult without the motors, because they are integrated deeply into the structure?!) …we are talking about close to 500€ cost (before taxes?!) just for the BuWizz stuff after all…
  10. Toshi
    After building the Greyhound, Rocky and the Hot Trot, I would love to get building instructions for this one also! …I would likely try to come up with an alternative power source, since I think BW3 is way too expensive, but this model would be a good motivation to finally getting around to doing that! Any chance you will make instructions in some form and a possible timeframe for it to happen?
  11. Toshi
    Die Anleitung kann man auf Rebrickable kaufen: https://rebrickable.com/mocs/MOC-19517/Didumos/4wd-rc-buggy/#details
  12. Toshi
    I figured it out in the end, so it works as intended now! My problem was that the definition of the center position and the definition of the max steering angle are not on the same "page" in the configuration. That prevented me from making the connection at first, I guess... Manual configuration was a bit "trial & error", because I needed to set a value, then start the profile in order to test it and repeat this until everything was the way I wanted it to be. It would be very cool if this was either more interactive (changing both values while the profile is running), or if you could see the current values during configuration or at least the result of the automatic configuration! (maybe something to keep in mind in case you feel bored some day )
  13. Toshi
    Okay, thank you for looking it up! I still have not figured out how to configure the Servo manually though… :(
  14. Toshi
    Hi, would be cool to understand how it is implemented! :) What do you mean when you say that measuring the endpoints is not precise? Using the nearest 90 degree position sounds somewhat situational. I guess this means I was lucky with the other two models, where it is working correctly?! If I remember correctly, both 42109 and 42099 use an L-Motor for steering and XL-Motor(s) for driving. (I only built 42109 once and in 421099 there was no possibility for a mixup of motors) If Lego usually ships the motors in "90-degree-alignment" and the L-Motor was never used for driving, this might explain it for my other models. Since "Hot Trot" uses 42129 as a base and has 3 L-Motors, it is certainly possible I used one of the L-Motors used for driving before as a servo now... So it is certainly possible the angle in this motor was not a multiple of 90 when I put the gear rack in place... ;) I do not have the model & remote with me right now, but I will check how to do the manual calibration later on!
  15. Toshi
    @imurvai: first of all thanks a lot for your app - really appreciate it! :) I currently have a problem with a PU motor used as a servo that maybe someone can help me with... If I use auto-calibration, the servo moves to both "endpoints" but afterwards it does not stop in the middle, but clearly off-center! At first I thought that I might have overlooked something while building the model (i.e. needing to align the motor / gear rack in a certain way upon assembly), but since the rotation encoder should have a resolution of 1 degree, I no longer think that this is the case. I also tricked the PU App to calibrate the servo (had to switch ports & connect another motor to do that) and the LEGO App calibrates correctly - pretty much dead center. Is there a know issue with auto-calibration? Maybe something to do with crossing the 0/360 rotation encoding at a bad spot? Is there a way to see the values chose by auto-calibration and modify / correct them somehow? Can the servo be calibrated manually? I did not have time to really investigate, but so far I have not been able to find a manual option. (I would also need the plain values for all extreme positions in order to do that, I guess...) Edit: I forgot to mention that I have two other models where auto-calibration works fine! (a stock 42109 & "Rocky" by @Didumos69 - I am currently building "Hot Trot", also be @Didumos69)
  16. Toshi
    I guess 42125 makes those available now! :) (not that I am a purist anymore... ;))
  17. Toshi
    Hm... Is the preorder link live yet? How much will it cost?
  18. Toshi
    Same here! Makes little sense to have L and XL motors if they only differ in size and not in other characteristics!?
  19. Toshi
    I have no other specifics about release dates and features, but the videos on YouTube about motorising the Sian (42115) do not make me hopeful they will be able to power more than one RC motor on the BuWizz. :( Maybe the RC motors they are using in the project are prototypes and maybe the BuWizz 3.0 is not ready yet either, but using 8 BuWizzs to power 8 RC motors is kind of a let down for me! :(
  20. Toshi
    I would also be very interested in details about RC motors released by BuWizz! I actually think they are facing quite a challenge here... :( As far as I know, it is not possible to drive 2 Lego RC motors with one BuWizz 2.0 in ludicrous mode - even fast mode does not work reliably all the time afaik (look at the Ripsaw thread by @Marxpek). This might depend on the weight of the model of course, but in case of the Ripsaw with 8 RC motors, I doubt there is more than 500g of weight for each single motor to move... If they release their own RC motors, I would expect it to be possible to run at least 2 (best would be 4) of them with one BuWizz in ludicrous mode - everything else would be strange in my opinion. So they either need to find a very efficient internal motor to power their RC motor, which might make it expensive to manufacture (?), or they need to release an improved BuWizz 3.0 (which would be a let down for all BuWizz and BuWizz 2.0 owners, I guess). Maybe it is also possible to improve the old BuWizzs via firmware update, Idk?! At the same time I am not certain the market for a new RC motor is the same it was a few months back, because Mould King released their Black Furious L-Motor, which also has 1200 rpm and therefore already is a competitor to a new RC motor - and with a better form factor too! (the L-motor is easier to integrate than the RC motor in my opinion) The price is also very reasonable, which makes it harder to justify a price tag that is much higher than what Mould King charges - unless there really is a big difference in quality or features... It will be very interesting to see, what they come up with and what the price tag of the final product will be! My hope is that they will improve the old BuWizz (at least the 2.0 version) via firmware update in order to allow a higher load before shutting down... :)
  21. Toshi
    Buying plastic bricks can be way too addictive! Therefore I think it makes sense that there is some sort of (constructive) control over our hobby spending habits - we don't want it to get out of hands after all! ;)
  22. Toshi
    Guess I should have checked the output in the app before posting, I suppose! :) Can't do it right now, because I do not have the controller with me - will do that next week... If the joystick really does behave different than I expect and does not return 1/1 in the top-right-corner, will doing the same setup, but assigning x and y to different joysticks also work? Will the app still mix it right, even if the same motors are assigned twice to different joysticks??
  23. Toshi
    I always assumed that the joystick will somehow „adapt“ to its physical limitation!? It should be equivalent to a „+“-Controller (no idea what they are called), right? And „top-right“ would be 100% for both axis on one of those controllers, correct? After all, you do not want to slow down while steering, right!? ;)
  24. Toshi
    Hi imurvai, let me start by saying that I love your app and really appreciate the work you are investing in it! :) I am also trying to control a tracked vehicle like this and while it does work in principle, I find it rather hard to maintain precise control over a fast tracked vehicle I am currently building (4 buggy motors, 2 per side). I have also tried to play with the settings for the x-axis, using exponential or logarithmic scale instead of linear in order to have more control, but so far I am failing! :( Maybe I am doing something wrong, or my controller is not working correctly?!? How exactly does the app mix the inputs to the left and right side (track) when you configure it like you describe? At y=1, x=0, I would expect 100% to both tracks. At y=1, x=0.1, I would expect 100% to the left track and 80% to the right track. And at y=1, x=1, I would expect 100% to the left track and -100% to the right track. Thanks a lot in advance! :)
  25. Toshi
    Cheers! :) Just don‘t spend all your brick money on Ginger Ale! ;)
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