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Everything posted by Zerobricks
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Push Mower Issues
Zerobricks replied to Paul B Technic's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Ever tried reversing a trailer in a perfectly straight line? It's the same issue, you can't push something straight like that, especially if you're also steering it sideways. -
General Part Discussion
Zerobricks replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
You mean prints?- 5,504 replies
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General Part Discussion
Zerobricks replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Right you are! Where did you find that photo?- 5,504 replies
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General Part Discussion
Zerobricks replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Or you can use a perpendicular connector and position the link same as 42099's rear steering linkage- 5,504 replies
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General Part Discussion
Zerobricks replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
You were right Another very useful part!- 5,504 replies
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General Part Discussion
Zerobricks replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Looking at the leaked photo, it does indeed look something like that, but it looks a bit thin for an axle...Maybe it's a 3,2mm bar? Either way it's still very useful!- 5,504 replies
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Looking at the photos of the hub, I have more observations: There seem to be optical encoder rings behind the drive motors, giving the hub ability to measure their RPM and thereby having an option of an intelligent electornic differential and constant speed control. This is very useful to keep the model going straight! Drive motors seem not to be inline with the output axles, hence they don't seem to use planetary gearing, but a double stage gearing with normal gears first and red bevel gears second. This indeed would allow for very high RPM, but torque might be questionable. Or they are inline and use just one stage plenatary gearing... The steeering motor basically reuses the same magnetic ferrite and probably the gearing from L motor. USB charging port is probably in the back between the drive wheels The 6 LEDs are probably lid up via light pipes simillar to the one for status LED. I would not expect them to be very bright due to safety concerns. I expect the fiber optics to be simillar to the ones used back in the 90's but having end shape simillar to the one used for PU and PF LEDs - slightly recessed pin.
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Used them for work on modified Audis and in a custom made rally car, no issues so far. They have a very simillar overall deisgn to the planetary ones, the weak points are the side walls which eventually wear down, thereby increasing slack. But as said before, they are order of magnitude better than the standard ones and I hope to see them used more often in sets even if they may not be needed.