Airplane Sound effect based on rotational speed of axle or electric motor

I am building a peddle-powered airplane for my son. It will actually be powered by a battery and electric motor. I would like the sound to change pitch with motor or axle speed. Any ideas? Im stumped.

by howt9934
February 16, 2022

A whistle?

To not penalize the propeller too much, have it under a cylinder disk, close to the axis of rotation. Have its weight "balanced" to not increase the torque instability.

by vanderghast
February 19, 2022

How are you controlling motor speed? If there's a control voltage, it could also feed to some kind of electronic sound generator (probably using a voltage-controlled oscillator in combination with other things.)

by OakBloodThree
February 22, 2022

No Answers

No answers yet. Contribute your answer below!


Your Answer

You must log in or create an account (free!) to answer a question.

Log in Create an account


Go Ad-Free. Activate your CircuitLab membership. No more ads. Save unlimited circuits. Run unlimited simulations.

Search Questions & Answers


Ask a Question

Anyone can ask a question.

Did you already search (see above) to see if a similar question has already been answered? If you can't find the answer, you may ask a question.


About This Site

CircuitLab's Q&A site is a FREE questions and answers forum for electronics and electrical engineering students, hobbyists, and professionals.

We encourage you to use our built-in schematic & simulation software to add more detail to your questions and answers.

Acceptable Questions:

  • Concept or theory questions
  • Practical engineering questions
  • “Homework” questions
  • Software/hardware intersection
  • Best practices
  • Design choices & component selection
  • Troubleshooting

Unacceptable Questions:

  • Non-English language content
  • Non-question discussion
  • Non-electronics questions
  • Vendor-specific topics
  • Pure software questions
  • CircuitLab software support

Please respect that there are both seasoned experts and total newbies here: please be nice, be constructive, and be specific!

About CircuitLab

CircuitLab is an in-browser schematic capture and circuit simulation software tool to help you rapidly design and analyze analog and digital electronics systems.