PeskyTrimBrake
Hyper Poster
This might be a dumb question but why do LSM/LIM make a screeching sound when triggered? I know that LSM switch polarity in order to be a repelling force hence launch. But why does it make a sound? Aren't they magnets? Could it be the motor?
Here's what I'm talking about:
(go to 2:12)
[youtube]http://www.youtube.com/watch?v=25Z48FchWmI[/youtube]
Here's what I'm talking about:
(go to 2:12)
[youtube]http://www.youtube.com/watch?v=25Z48FchWmI[/youtube]