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Everything posted by Andman
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Time for an update. I worked on the front and the interior.
- 13 replies
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- steinwinter
- 2040
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Powered Up motors: L vs. XL
Andman replied to FoxOne's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Do you mean the C+ XL and L. If yes, i made exactly the opposite observation. The C+ L motor has more resistance when you try to turn it manually. So for rock crawling the C+ L motor would be a better fit since it stop faster than the C+ XL. BTW, which word describes the behavior of a motor when you turn off the power supply and it still turns for some time? Is it also "to overshoot"? -
Powered Up motors: L vs. XL
Andman replied to FoxOne's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
It is, not much, but it is. How would you otherwise explain the difference in precision and backlash, which was not covered in Philos (great!) tests? Otherwise, i agree. I doubt that there is more meaning behind that. -
Finally some time to give this truck some love. I started to build the cabin. I finished the doors now. Quite happy with the result. Especially the angle, when it's open. Edit: I'll crop my images next time.
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- steinwinter
- 2040
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Powered Up motors: L vs. XL
Andman replied to FoxOne's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
My observations: You need precision (steering, controlling pneumatic valve): C+ L motor (C+ XL tends to overshoot, thus is less precise) You need inertia, don't need precision and space is not an issues: C+ XL The reason is, what others already discovered, the different internal gearing. -
Lego 8043 Problem
Andman replied to ndm1306's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I literally wrote to you that i cannot access the video (nothing you can fix). How am i supposed to check your video again... And sorry that I tried to help, although i couldn't see the video. Will not happen again, when you need help next time. -
Lego 8043 Problem
Andman replied to ndm1306's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Can't access the Video. But several questions: What kind batteries are you using? Rechargeable? Alkaline? Are you using "fresh" batteries? Did pay attention to this tip?: If nothing helps, replace the blue axle pin with friction in building step 35 with a tan axle pin without friction. -
General Part Discussion
Andman replied to Polo-Freak's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
;-)- 5,466 replies
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- rant!
- Bionicle Technic
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[MOC] Electric Hubless Bike
Andman replied to dickylaban's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
It's just a personal preference. Everything related to facebook is blocked in my home network :-) Will send you a message later today. -
[MOC] Electric Hubless Bike
Andman replied to dickylaban's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Any chance to upload the video somewhere else than Facebook? -
I checked @kbalage video again. It looks like the orange cabin has to black pieces on top. Could be two small wheels... I'm really afraid of that the flipping mechanism is just based on gravity, means these small wheels have always contact to the grounds. Center of rotation of the flipping mechanism is very likely the rear axle.
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PF is a different case. The PF servo has a defined range of rotations. So in order to use the full range of the valve you have to use 3:1. With C+ motor you basically don't have this limitation, since everytime you start a Powered Up code, which includes the servo block, the servo motor is calibrated.
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I should probably add that i did not connect the valves directly to the C+ L motor. I needed/wanted precise control. But also had to make sure that the calibration procedure does not break the gears, since it applies the full torque while it runs. Unfortunately you cannot change the torque for the calibration. 3:1 ratio worked best for me. Below is what i use in my truck. The two 24z gears are not connected, but both are using roughly half the width of the first 9L liftarm. Just in case you are not aware, check out the first tip here. There is still a little issue with C+ motors used as servos.
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[WIP] Case Quadtrac 620
Andman replied to Andman's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Added side grill and improved the bonnet a bit. The lower line looks no a little cleaner. Hard to close the little gaps. -
[WIP] Case Quadtrac 620
Andman replied to Andman's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Thanks! The inside is made studless. I don't prefer one over the other. I just use the advantages of both worlds. -
[WIP] Case Quadtrac 620
Andman replied to Andman's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Thanks @TeamThrifty :-) I hope it also work as expected.