SUBSIM Radio Room Forums - What is the spiral thing wrapped around the periscope shaft?

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- - What is the spiral thing wrapped around the periscope shaft? (https://www.subsim.com/radioroom/showthread.php?t=214608)

maillemaker

07-16-14 10:15 PM

What is the spiral thing wrapped around the periscope shaft?

What is the spiral thing wrapped around the periscope shaft?

Steve

Sailor Steve

07-17-14 08:26 AM

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

maillemaker

07-17-14 02:21 PM

Cool.

Steve

desirableroasted

07-17-14 07:06 PM

Quote:

Originally Posted by Sailor Steve (Post 2225593)

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

07-18-14 07:19 AM

Quote:

Originally Posted by desirableroasted (Post 2225807)

...
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

07-18-14 08:21 AM

Quote:

Originally Posted by Pisces (Post 2225926)

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

07-19-14 12:37 AM

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

07-19-14 02:33 AM

Used in bridge construction too, IIRC.

desirableroasted

07-19-14 04:15 AM

and some brands of birthday candles.

Pisces

07-19-14 05:49 AM

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

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