Home Improvement: Dewalt D28402 4-1/2" Small Angle Grinder with 10 Amp Motor and 11,000 RPM, NA - Dewalt

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4 Rpm Motor Dc Popular Q&A

Q: What is a good power supply for 4 dc motors 300 rpm and 12volts c...
A: Your best bet would be to connect (8) 1.5V AA cells together. This will supply 12V and have enough current to drive the motors. Read More »

Q: How to Easily Control the RPM of a DC Electric Motor.
A: 1. Connect one side of the DC electric motor to the negative terminal on the variable DC power supply, using the #12 electrical wire. 2. Connect the other side ... Read More »

Q: How to calculate torque of dc motor which runs at 150 rpm?
A: or. where. P. is the power in watts. τ. is the torque in newton metres. ω. is the angular velocity in radians per second. F. is the force in newtons. v. is the ... Read More »

Q: How do you know the RPM of a DC motor?
A: Use a non contact tachometer. The speed will vary with the load though. Source(s): http://www.checkline.com/tachometers/ Read More »

Q: What farad capacitor would you put on a 3 volt DC motor for faste...
A: if u want it to go faster u want more current. a capacitor is not going to do anything for u unless your haveing problems getting it to turn. Read More »