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WTF Design for a prop
http://67.205.157.234/forums/viewtopic.php?f=3&t=2719		 Page 1 of 1
Author:  Demon Lord Razgriz [ February 25th, 2012, 2:08 am ]
Post subject:  WTF Design for a prop
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This is the prop of the German K-130 Braunschweig class Corvette. It is supposedly the completed prop, to which I must ask: WTF?
Author:  bezobrazov [ February 25th, 2012, 2:12 am ]
Post subject:  Re: WTF Design for a prop
LOL gives a whole meaning to the term egg beater...
Author:  Rodondo [ February 25th, 2012, 2:12 am ]
Post subject:  Re: WTF Design for a prop
I would love to see the physics behind that
Author:  heuhen [ February 25th, 2012, 2:50 am ]
Post subject:  Re: WTF Design for a prop
I have only two explanation on this. because I have never seen anything like that before. and if this is a new type of propulsion system I will welcome any information one has on it.

1.

An very advance propeller. some i don't know how work.

2.

If I remember correctly it also had problems with the ship class propulsion system's. So this may be a German / Swiss solution to test the balance of the shaft and the gear unit. with the help of weights mounted on those poles that can be adjusted?
Author:  klagldsf [ February 25th, 2012, 6:19 am ]
Post subject:  Re: WTF Design for a prop
It'd be nice to see a bigger-rez picture. If those are airfoil shapes for example, it could actually be a very efficient design.
Author:  Demon Lord Razgriz [ February 25th, 2012, 6:23 am ]
Post subject:  Re: WTF Design for a prop
There's a larger rez floating around somewhere, but the link that image had lead to gave me a 404error. So I just save the thumbnail.
Author:  TimothyC [ February 25th, 2012, 7:36 am ]
Post subject:  Re: WTF Design for a prop
It could be a weight and balance simulator for while the screws are off in dry dock. it would let you calibrate the engine systems without risking the screws getting hit with debris.
Author:  RP1 [ February 26th, 2012, 9:52 pm ]
Post subject:  Re: WTF Design for a prop
I think it might be a "brake wheel", used for testing propulsion machinery alongside. Trouble is, I've never actually seen a picture of one.

RP1
Author:  erik_t [ February 27th, 2012, 12:17 am ]
Post subject:  Re: WTF Design for a prop
The moments of inertia wouldn't match a modern screw, so I think RP1 is more likely to be correct than Timothy.
Author:  TimothyC [ February 27th, 2012, 12:35 am ]
Post subject:  Re: WTF Design for a prop
RP1 has a PhD in this stuff Erik, I expect him to be more likely to be correct than I am.:

Edit: Here's a bigger version:

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