 | | Re: More juice out of the standard motors. —Tom Trentham
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| | | (...) It could be that I am misinterpreting it, but the original post seemed to ask the question "How do you get more power out of the Lego motors?" It was not about gearing or rotation sensors at all. These things are important but the implication (...) (24 years ago, 14-Mar-01, to lugnet.robotics)
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| | | | | Re: More juice out of the standard motors. —Mark Haye
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| | | | | I used to regularly drive LEGO 9V motors at about 12V with no observed damage. I assume the increased power/torque would be proportional to the voltage, i.e. 33% more voltage gets you 33% more power/torque. However, I don't know how to get more than (...) (24 years ago, 15-Mar-01, to lugnet.robotics)
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| | | | | | | Re: More juice out of the standard motors. —Matthias Jetleb
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| | | | | | | (...) Have you actually tried this? I've taken both my RCX's (1.0 & 2.0) apart, but, while there is a 5V regulator for the MCU, I couldn't see any regulator for the motor outputs. This doesn't mean it isn't there, just that I couldn't find it if it (...) (24 years ago, 22-Mar-01, to lugnet.robotics)
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| | | | | | | | | Re: More juice out of the standard motors. —Mark Haye
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| | | | | | | | Yes, I tried it. I don't know how the internals of the RCX work; all I know is I put 12V in, and got 9V out. -- Mark Haye, mhaye(at)tivoli(dot)com "Matthias Jetleb" <jetleb@netcom.ca> wrote in message news:3ab97dfc.301576...net.com... (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | | | | | | Re: More juice out of the standard motors. —Philip Taylor
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| | | | | | Mark Haye <mhaye(@)tivoli(.)com> wrote in message news:GA9p5z.JwG@lugnet.com... (...) 33% more voltage should also give you 33% more current, so power (i.e. voltage times current) should increase by 77%. But higher currents give higher (...) (24 years ago, 6-Apr-01, to lugnet.robotics)
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| | | | | | | | Re: More juice out of the standard motors. —Tobbe Arnesson
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| | | | | | Yes, but they used more prats then the RIS contains :/ They used two battery boxes to gain 18V using this coupling: (URL) had a motorcontrolled polarity switch to walk around the voltage limits in the RCX. /Tobbe (...) (24 years ago, 7-Apr-01, to lugnet.robotics)
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| | | | | Re: More juice out of the standard motors. —Matthias Jetleb
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| | | | (...) The day I got my RCX2.0, I took it apart and confirmed my suspicion that the motor drivers used in the 1.0 are similar to a Melexis MLX10204. A similar chip is used in the 1.0, but the Melexis chip is used in the 2.0. I then fired off an (...) (24 years ago, 22-Mar-01, to lugnet.robotics)
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