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  1. High Current 12V DC motor speed control - Physics Forums

    Aug 26, 2019 · The discussion revolves around controlling the speed of a 12V DC motor that operates a seawater cooling pump for a large V8 engine. Participants explore various methods for RPM control …

  2. Controlling motor speed with a potentiometer - Physics Forums

    Jun 27, 2011 · A reference to a PWM DC motor speed control product is mentioned, though without endorsement. Participants express differing views on the effectiveness of using a potentiometer for …

  3. How does a SCR controls the speed of motor • Physics Forums

    Mar 29, 2015 · The discussion centers around the methods of controlling motor speed using silicon controlled rectifiers (SCRs) and other techniques. Participants explore various approaches, including …

  4. 2 speed controllers in parallel to drive a DC brushed motor?

    Feb 7, 2015 · The discussion revolves around the feasibility of using two speed controllers in parallel to drive a DC brushed motor with specific power and current requirements. Participants explore the …

  5. How to control DC motor speed? - Physics Forums

    Jul 3, 2012 · The discussion revolves around methods to control the speed of a 24V, 15A DC motor. Participants explore various techniques, including potentiometers, variable resistors, and pulse-width …

  6. Can i adjust a 12V DC motor's RPM with a Dimmer? - Physics Forums

    Jun 29, 2009 · The discussion revolves around the feasibility of adjusting the RPM of a 12V DC motor using a dimmer switch, as well as the methods for reversing the motor's direction. Participants …

  7. Brushed motor speed controller using twist throttle

    Feb 7, 2016 · The discussion centers around controlling the speed of a brushed DC motor intended for a small motorcycle project. Participants share resources and seek advice on suitable electronic …

  8. How does current affect the speed of a DC motor - Physics Forums

    May 8, 2014 · The discussion revolves around how the current supplied to a DC motor affects its speed, particularly in the context of using different voltages from batteries. Participants explore the …

  9. Current draw of a motor, under different situations - Physics Forums

    Mar 9, 2012 · With regard to a DC motor, the voltage across the motor, minus IR losses, is proportional to the speed or RPMs of the motor. The current through the motor is proportional to the torque …

  10. What power is needed to run a 48V electric motor? - Physics Forums

    Jun 5, 2013 · 20hr Rate - 225AH This then passes to the motor via a speed controller through a speed controller which reads 48v 370A. I would like to power this by transforming down a 240v supply - …