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Questions tagged [gear]

The tag has no usage guidance.

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0answers
29 views

Calculating max weight capacity of brushless motor [migrated]

I am having trouble determining the maximum weight capacity a motor can handle. I provided the specs below. The calculations are for the top row or the 580KV model. So to start off,I'm only taking ...
0
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0answers
47 views

Performance of RC car under different gear ratio, measured data vs hypothesis

Assuming the driveshaft of the rear wheeled drive RC car follows the linear DC motor theory for stall torque and no-load RPM, also voltage supplied is constant and no inductance as well. Note: the ...
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1answer
71 views

Problems calculating torque for a motor opening a door

I want to make a device that can open a door from a cabinet. The door is about 4 meters wide and about 0.5 meters high. (if the width causes a problem I can split it in 1 meters section with one motor ...
0
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1answer
91 views

Servo Vs Stepper for a high accuracy project

Im trying to build a weird idea for academic purpose. Trying to control a real car using joystick. So for the steering purpose and accelerator pedal, without modifying any internal mechanics, what Im ...
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1answer
126 views

gear motor can be used as generator

I am in doubt with a motors operation, I am not sure whether this question could be asked here, I have a car wiper motor with two speed operation,It uses a PM dc motor with worm gear inside, so it is ...
3
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1answer
55 views

Gearmotor : Principles and usefulness compared to a regular motor

I'm a student in an engineering school and I have a question for professionnals : What is exactly the usefulness of a geared motor that uses a gear to reduce the rotation speed compared to a regular ...
1
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1answer
48 views

Control of motor engagement with shaft

I am using servo and stepper motors for the first time, and have been searching for a solution to this basic problem: I want to drive a shaft with a motor, whereby this shaft also has a ‘neutral’ ...
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1answer
1k views

Tee-off, what is it? [closed]

I've been looking for explanation to this term recently but it's still unclear for me. Is it some sort of bolted connection or the beginning part of a busbar ? I'm asking because I found this in MV ...
1
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1answer
117 views

Wind turbine design question

I am planning to design a wind turbine that is has rotor blade radius of 0.915m and is connected to a generator. The generators specifications are, it is an ac generator with 5000 coil turnings and a ...
3
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2answers
7k views

What DC motor specs do I need to lift a weight with certain gear configuration

I'm trying to determine how much torque, power, voltage, and size I need for my motor in order to lift between 50-100lbs given the gear configuration below. Assume that the motor and gears are ...
0
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1answer
433 views

Required Gear ratio for a DC motor

I am making a dc motor vehicle, it will have 2 drive wheels each powered by a separate motor. For a desired speed and acceleration, how would I go about calculating the gear ratio needed? Info I have ...
0
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1answer
976 views

How to measure the torque (of a stepper motor) with a (belt) drive accurately?

I have a project that requires really accurate torque measurement of a motor or a motor + a belt drive. How do I do that? I am guessing that measuring current through a stepper motor is is ...
0
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1answer
1k views

Stepper motor for robot wheel drive [closed]

I'm trying to chose correct stepper motors to drive 2 wheeled robot. I started with geared DC motors, but found they are too fast (I have 27:1 geared), and they provide little torque at low speed. ...
0
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2answers
546 views

Changing Motor Gearboxes to Reduce Current

I am currently using two 12V CIM Motor (Spec Sheet: http://content.vexrobotics.com/docs/217-2000-CIM-motor-specs.pdf) with a gearbox at a 49:1 ratio. I have a LiFePO4 battery that is rated at a ...
2
votes
2answers
12k views

Get current gear from rpm and speed through OBD2

I would like to modify my car with the help of Arduino to display the current gear. I wasn't quite sure where should I post this question as it is a car topic, as well as an electric engineering and ...
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vote
3answers
630 views

Generating electricity by moving door handle to produce 3 Watts?

I want to attach a generator to a door handle and have the output charge a battery. My system needs to provide about 3 Watts. A similar question was asked here and I referenced it to get an idea of ...
1
vote
2answers
2k views

How can I increase the torque, but not the speed of this DC motor to gear with a potentiometer setup?

Short video of the machine running. It's made of three AAA batteries in series giving a total of 4.5V to the DC motor, these are connected through a potentiometer to control the speed. The DC motor ...
-1
votes
2answers
289 views

Change the motor or the gears?

I wonder, what's better to achieve some given torque? To chose a motor with the Kt that gives that torque or to choose a reduction drive that will output that torque from a given motor? I wonder what'...