Philo Posted October 18, 2019 Posted October 18, 2019 New update of my motor comparison page! Now includes Control+ Large and XL motors. I am puzzled by the L/XL twins: their rotation speed and delivered power are so similar that I don't see the point of the more bulky XL version! Only the no-load current/efficiency of XL are better. Maybe XL has a better reliability at high torque? Quote
aol000xw Posted October 18, 2019 Posted October 18, 2019 Isn't the chart missing the new motors? Quote
suffocation Posted October 18, 2019 Posted October 18, 2019 On 10/18/2019 at 2:19 PM, aol000xw said: Isn't the chart missing the new motors? Expand Huh? Ctrl+ Large & Ctrl+ XL aren't keyboard commands. Anyway, thank you Philo! Quote
Zerobricks Posted October 18, 2019 Posted October 18, 2019 Seems new L and XL are more or less interchangeable. I see no sense in having 2 motors with 2 different form factor, yet same performance... I don't get it... Quote
pleegwat Posted October 18, 2019 Posted October 18, 2019 Haven't we previously also seen in X-rays that the new L and XL have near-identical internals? Quote
Philo Posted October 18, 2019 Author Posted October 18, 2019 On 10/18/2019 at 2:19 PM, aol000xw said: Isn't the chart missing the new motors? Expand I had a few missing images, but AFAIK no chart is missing? On 10/18/2019 at 3:03 PM, Zerobricks said: Seems new L and XL are more or less interchangeable. I see no sense in having 2 motors with 2 different form factor, yet same performance... I don't get it... Expand I don't either... This was partly the reson for this belated update: verification because I didn't believe what I measured! On 10/18/2019 at 3:36 PM, pleegwat said: Haven't we previously also seen in X-rays that the new L and XL have near-identical internals? Expand No, its PFS vs. C+ that have very similar motor cores. Quote
aol000xw Posted October 18, 2019 Posted October 18, 2019 I meant in the last image, the power bar chart, I see the old PF-XL for example but not the Control+ XL Quote
Philo Posted October 18, 2019 Author Posted October 18, 2019 On 10/18/2019 at 4:14 PM, aol000xw said: meant in the last image, the power bar chart, I see the old PF-XL for example but not the Control+ XL Expand Mmhhhh... I see what you mean. I sometimes have server side cache issues. Try http://www.philohome.com/motors/motorcomp.htm, it works here. Quote
johnnym Posted October 18, 2019 Posted October 18, 2019 On 10/18/2019 at 3:03 PM, Zerobricks said: Seems new L and XL are more or less interchangeable. I see no sense in having 2 motors with 2 different form factor, yet same performance... I don't get it... Expand On 10/18/2019 at 3:44 PM, Philo said: I don't either... This was partly the reson for this belated update: verification because I didn't believe what I measured! Expand Did anybody confirm that the new XL motor can be also used for steering like the new L motor? Quote
9v system Posted October 18, 2019 Posted October 18, 2019 i would love to see some internal photos of these new motors, it looks like the XL has the same cheap internal motor with the extremely thin brushes which causes them to break easily Quote
kbalage Posted October 18, 2019 Posted October 18, 2019 That's interesting, I measured approximately 15% more torque with the PU XL motor compared to the L one which is quite similar to the difference between the PF variants geared to the same speed (although I'm sure my tests were far less accurate than Philo's tests). About the naming - looking forward to see what the official name of the motors will be once they'll be sold separately, I still think Control+ is only the name of the Technic app so technically these should be Powered Up L and XL motors. On 10/18/2019 at 7:09 PM, johnnym said: Did anybody confirm that the new XL motor can be also used for steering like the new L motor? Expand XL has the same absolute encoder so it can be also used for steering, at least with the BrickController 2 app for now :) Quote
sirslayer Posted October 19, 2019 Posted October 19, 2019 (edited) How about the Medium size motors?? These Powered up motors are also don't make any since!! The one without the encoder is small and haves a lighter weight but the performance is bad if you compared it to the other M motor with the encoder. The one with the encoder seems to have performance very similar to my PF based Large motor !!!! https://flic.kr/p/2hx4qar Lego technic Control + motors by victormendoza_jr, on Flickr Edited October 19, 2019 by sirslayer Quote
Philo Posted October 19, 2019 Author Posted October 19, 2019 On 10/18/2019 at 9:40 PM, kbalage said: About the naming - looking forward to see what the official name of the motors will be once they'll be sold separately, I still think Control+ is only the name of the Technic app so technically these should be Powered Up L and XL motors. Expand Yeah, naming is a mess. Now add to this WeDo, Boost and Spike Prime, all based on compatible hardware... Looks like indeed Powered Up is now the name of that range of devices, but I kept C+ for the Technic style motors. On 10/19/2019 at 1:58 AM, sirslayer said: The one without the encoder is small and haves a lighter weight but the performance is bad if you compared it to the other M motor with the encoder. The one with the encoder seems to have performance very similar to my PF based Large motor !!!! Expand According to my measurements, simple M motor delivers 1.1W, version with encoder (Boost external motor) provides only 0.8W, but the PF large motor gives 2.2W! Quote
Jonas Posted October 19, 2019 Posted October 19, 2019 Good work, Philo. Does anybody know how is the encoder connected to the output wires? Can we just read binary values on one or two wires to count pulses and get the relative position? Quote
Philo Posted October 19, 2019 Author Posted October 19, 2019 (edited) On 10/19/2019 at 8:59 AM, Jonas said: Good work, Philo. Does anybody know how is the encoder connected to the output wires? Can we just read binary values on one or two wires to count pulses and get the relative position? Expand Thanks ;) No you can't count pulses, encoder data is returned as a 115200bps serial stream. See http://philohome.com/wedo2reverse/protocol.htm Edited October 19, 2019 by Philo Quote
shadow_elenter Posted October 20, 2019 Posted October 20, 2019 Very interesting, thank you Philio Quote
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