Do the Air Master screw propellers make the advice Avata quieter?

[John Gowland]

The research I have done says they make the noise a lower pitch. Has anyone tried them or found evidence this is true?

 

[msinger]

There are lots of videos about these "stealthy" props. Here's a good one to watch:

 

[4 Inch Pistons]

I have the 3 blade on my Avata and it is loud. Very loud. However the performance is better

 

[careless]

I have 3 blade MAS on my Avata and think the sound is not quieter but a better pitch of sound than the original and it seems to hover better.

 

[John Gowland]

That is what I

I have 3 blade MAS on my Avata and think the sound is not quieter but a better pitch of sound than the original and it seems to hover better.

That is what I was hoping for. Anyone seen a test between the 4 and 3 blade MAS?