Society of Robots - Robot Forum

General Misc => Robot Videos => Topic started by: Admin on June 04, 2011, 05:11:18 PM

Title: neat omni-directional underwater propeller
Post by: Admin on June 04, 2011, 05:11:18 PM
Skip to 0:39, and watch from there. Its called the Voith Schneider propeller (http://en.wikipedia.org/wiki/Voith_Schneider_Propeller), and looks to be perfect for a UUV . . .

Stingray Underwater Craft (http://www.youtube.com/watch?v=pYVhpFxxofE#ws)
Title: Re: neat omni-directional underwater propeller
Post by: madsci1016 on June 05, 2011, 12:56:14 PM
Old technology, I remember seeing them on the discovery channel as a kid.

Seems to me like it's too many moving parts, more to break. But I also don't claim to know much about mech engineering at all.  ;D
Title: Re: neat omni-directional underwater propeller
Post by: Admin on June 05, 2011, 01:00:40 PM
Yea, youtube has plenty of videos on it . . . but this is the first time I've seen it on a robot. Mechanically, it's very complicated, and not nearly as efficient as a prop. That said, it offers 2 DoF while a prop offers only 1 DoF.