What is the spiral thing wrapped around the periscope shaft?

[maillemaker]

What is the spiral thing wrapped around the periscope shaft?

Steve

[Sailor Steve]

They are wires, designed to disrupt the water flow around the periscope and help keep the vibration down.

[maillemaker]

Cool.

Steve

[desirableroasted]

They are wires, designed to disrupt the water flow around the periscope and help keep the vibration down.

I could have sat here from here to Sunday and I never would have come up with that.

The stuff you learn just hangin' around.

[Pisces]

...
The stuff you learn just hangin' around.Great, start giving ideas to Bernard on how to use that spiral slide while he is on watch duty. :/\\!!

[banryu79]

Great, start giving ideas to Bernard on how to use that spiral slide while he is on watch duty. :/\\!!
:har:

- But... I'm taking wind measurements, herr kaleun!! -
Bernard

[Archer7seven]

You will notice them on some car antennas too. It forces the resistance to move along the surface rather than against it. It supposedly also reduced the wake.

[d@rk51d3]

Used in bridge construction too, IIRC.

[desirableroasted]

and some brands of birthday candles.

[Pisces]

For those still sliding around in circles around the periscope mast trying to figure out what is meant in this topic:

http://www.uboataces.com/photos/2005914216133225.jpg