Timewhatistime
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These news make me a little bit sad. I really liked the solution with the double linkage instead of the usual arrangement with an idle gear. What is the consequence in terms of slack - does the gering increase with the gears? (Which should be no problem, as the steering wheel isn't turned by a big angle anyway.)
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- tc30
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[TC30] Tracked pullback
Timewhatistime replied to msk6003's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I like the combination of pull-back and tracks, too. However, usually the acceleration of pull-backs is very high when being started. Did you test if the tracks can transfer this force to the ground, @msk6003? -
Up to now, there isn't a single model picture... just some high-aimed plans which will have to be proved and accomplished within the restrictions of [TC30]...
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- techic
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[MOC] Hyperpilote 1:8
Timewhatistime replied to Leviathan's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Wow, I'm deeply impressed by all the functions and the time needed to develop them all. I'm sure, this beast will be frontpaged immediately. There is one thing I don't get: the automatic diff lock (very useful and ingenious feature!). I see how it is released when the steering wheel (or HOG) is turned in one direction: the differential is realesed from being locked to the left side of the rear axis. But what happens when the steering wheel is turned in the other direction? I don't see how the diff would be released from the rear axis in this case, as the wave selector will move the driving ring in a way which does not fit.... Could you please explain how it works? Edit: Now I see... simple and effective! Very nice solution! -
We are all happy that this is not just another car with "real-life" functions (like steering without turning steering wheel, or one-wheel-driven fake engine). However, I am poorly convinced that the clicking-function was intentionally designed. To me, it rather seems to be an unavoidable side-effect which is necessary to prevent the rocket from going down when the crank is unhanded during the rocket's take-off (due to the steep worm gears). I confess, the mechanism is quite clever in its sensitivity to the sense of rotation. Surely, it is better than a ratchet mechanisms which would have to be operated manually. So the designer implemented a friction loaded idle wheel as a brake which is active only while rotating in the "take-off direction". It clicks... yes. But this clicking isn't a function for its own.
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Funny enough, the new 6L A-pillar isn't used as a hypotenuse in a Pythagorean triangle. Yes, I know, there is one at last... but it is done in a far from trivial way. My point is: This A-pillar is adjacent to the slightly tilted roof (at the top) and to a 2L beam (at the bottom which does some adjustment. All in all, the "triangle" has non-integer side lengths. So the A-pillar's "Pythagorean potential" (3 - 4 - 5 side lengths formed by 4 - 5 - 6 L beams) is not used in this set; however, of course it is still there and surely will be used in MOCs and future official sets.
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Apart from some decades of experience in building with Lego Technic, this video makes me think that it will make a simple click sound. Moreover, this video just doesn't make me think that it will make a simple click sound - it shows that the rocket really does a simple click sound! https://m.youtube.com/shorts/AQ-GxBQ0d5o
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Thank you very much. This is an answer I never had thought of. I'm not sure if the sound of a rocket is click-click-click. I have to admit that I've never heard a starting rocket, but I doubt that this sound will add any "realistic" experience. However, at least it is a somewhat "new" function, and a rocket is not just another display car.
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Does anyone have a clue why there is a relatively complex gear box in the base? Especially the double row of grey 16 t gears and red 16 t idle seems odd to me. There could be a ratchet mechanism that prevents the rocket from "falling down" - but I don't believe it is so heavy to turn back the worm gear. Another purpose of the gear box could be to provide only one single rotating direction - but I'm pretty sure that backward rotation is needed to land the rocket.
