Where Can I Find a Quiet Motor for a Doppler Shift Experiment?

In summary, the person is looking for a rotating table and motor for a doppler shift experiment. They found one on PASCO but the motor is too noisy. They are asking for suggestions on where to find a quieter motor or a turntable and motor from another website. Another person suggests checking yard sales or pawn shops for an old phonograph as it would have a quiet motor and a suitable tone arm for a microphone.
  • #1
Ruddiger27
14
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Hey, not sure if this should go here or not but it seemed the best place.
I'm trying to find a rotating table and a motor for a doppler shift experiment a lot like the one on page 4 of this website:

http://academic.reed.edu/physics/courses/phys100/Lab%20Manuals/Doppler%20Effect/Doppler.pdf

I found one on PASCO that seemed perfect, the only problem is that the motor makes too much noise to hear the doppler shift properly. Does anybody know of any other website that supplies turntables and motors? Or maybe somewhere that sells more efficient motors that wouldn't be too noisy?
Thanks for any advice in advance.
 
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  • #2
Have you thought of just hitting a few yard sales or pawn shops to find an old phonograph? Their motors are very quite, they're shock-mounted on springs, and the tone arm would make a fine microphone mount. :approve:
 
  • #3


Hi there, thanks for reaching out with your question. It sounds like you are looking for a quiet motor for your doppler shift experiment. One option you could explore is using a stepper motor, which is known for its quiet operation. You can find stepper motors at electronics stores or online retailers like Amazon or Sparkfun. Alternatively, you could also try using a brushless DC motor, which is also known for its quiet operation. You can find these types of motors at electronics stores or online retailers as well. It may also be helpful to look for motors specifically designed for low noise operation. I hope this helps and good luck with your experiment!
 

1. What is a rotating table and motor?

A rotating table and motor is a mechanical device that consists of a flat surface (the table) that is attached to a motor. The motor provides rotational movement to the table, allowing it to spin or rotate.

2. What is the purpose of a rotating table and motor?

The purpose of a rotating table and motor is to provide rotational movement to objects placed on the surface of the table. This can be used for various applications such as testing, mixing, or sorting objects.

3. How does a rotating table and motor work?

The motor of a rotating table and motor is typically powered by electricity and uses a series of gears to transfer the rotational force to the table. This causes the table to spin at a desired speed, controlled by the motor.

4. What are the different types of rotating tables and motors?

There are various types of rotating tables and motors, including manual, electric, and pneumatic. Manual rotating tables are operated by hand, while electric rotating tables use electricity to power the motor. Pneumatic rotating tables use compressed air to provide rotational movement.

5. What are the benefits of using a rotating table and motor?

Using a rotating table and motor can increase efficiency and productivity in various industries. It can also improve accuracy and precision in processes that require rotational movement. Additionally, rotating tables and motors can reduce the physical strain on workers by automating repetitive tasks.

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