Toroidal propellers: A noise-killing game changer in air and water

[G-Force]

Toroidal propellers: A noise-killing game changer in air and water

These strangely-shaped twisted-toroid propellers look like a revolutionary (sorry) advance for the aviation and marine sectors. Radically quieter than traditional propellers in both air and water, they're also showing some huge efficiency gains.

newatlas.com

 

[DWC]

Did you come here to sell something?

 

[JB in so cal]

Toroidal propellers: A noise-killing game changer in air and water

These strangely-shaped twisted-toroid propellers look like a revolutionary (sorry) advance for the aviation and marine sectors. Radically quieter than traditional propellers in both air and water, they're also showing some huge efficiency gains.

newatlas.com

Usually for your second post your need to show you're human. Usually...

 

[LuauLounge]

Boat related and catches flack immediately….

 

[bilz]

I think they're looking for a boat,even if a jet, girlfriend or wife.
Hey ,he is trying a different prop

 

[DarkHorseRacing]

Hey I would consider the Sharrow prop if it wasn’t $5k. Arrowhead has a speed limit of 35 so it seems these props would be a fit here. They just don’t make one for a 1000hp I/O yet. I even sent them an email but no contact returned. I can think of other things to spend $5k on…

 

[outboard_256]

These have been posted before. They are just too expensive for the gains. Cool idea but for at least props they got to get the cost down.

 

[4Waters]

These have been posted before. They are just too expensive for the gains. Cool idea but for at least props they got to get the cost down.

Way down