Helicopter

[Bradmugs]

With the blade length and rotation speed and I would guess a much lower speed of sounds on Mars were there any concerns with the blades breaking the sound barrier?

 

[monitorlizard]

With the blade length and rotation speed and I would guess a much lower speed of sounds on Mars were there any concerns with the blades breaking the sound barrier?

Speed of sound on Mars at ground level is ~540mph.

Sounds of Mars - NASA Science

Overview The Perseverance rover carries two microphones, letting us directly record the sounds of Mars for the very first time. Even though Earth and Mars are entirely different planets, it may be comforting to know that if you were on Mars, you might still sound pretty much like yourself. If...

mars.nasa.gov

4 feet diameter @ 2400rpm = tip speed of ~502mph.
Close, but not quite over.

EDIT: Mods, please move this to an appropriate Forum.

 

[Wolfshadw]

EDIT: Mods, please move this to an appropriate Forum.

Moved to "Our Solar System"

Wolfshadw
Moderator