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Old 10-09-2013, 11:17 AM   #1
Geertse
 
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Default Found in the sea

Hello,

Can anyone identify this propeller hub and blade found in the northsea just outside the Belgian coastline.
Thanks a lot!!
Geertse
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Old 10-09-2013, 11:18 AM   #2
Geertse
 
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Any ideas what airplane it could be?
Grtz
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Old 10-09-2013, 11:18 AM   #3
Geertse
 
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Another picture
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Old 10-09-2013, 11:19 AM   #4
Geertse
 
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The last one
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Old 10-09-2013, 09:05 PM   #5
Dave
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It's way beyond my capabilities . . .
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Old 10-12-2013, 07:53 AM   #6
Geertse
 
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No one that knows something about ww2 propellers?
Grtz
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Old 10-12-2013, 04:19 PM   #7
pmdec
 
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Hi,

The pitch command system is typically a Hamilton Standard one. The prop is geared (counting the teeth could give the reduction ratio). Without "numbers", no way to go further...

PM

EDIT : the "numbers" are stamped on blade foot, and you have to open the crankcase to see them. This one have 6553-21s blades mounted on a 22D30 hub (from a Beech 17). The third pic is the variable pitch sytem (the aluminium part is missing on yours):
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Old 10-13-2013, 04:33 AM   #8
Geertse
 
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Thanks for the info.
I assume that the hub is American ,or are they also used on Britisch airplanes?
Is it possible that the prop came from a bomber plane?
Due to the size and weight of it that's my opinion.
Grtz
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Old 10-13-2013, 10:31 AM   #9
pmdec
 
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Hi Geertse,

I don't think so: your prop is a relatively small two blade prop. Larger aircraft were fitted with 3 or 4 blade props.

Regards,
PM
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Old 10-13-2013, 12:07 PM   #10
Geertse
 
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Hello,
No no it's a three bladed hub.
Whith only one blade attached.
The dimensions of the blade are 1800mm long from the insert in the hub and 310mm width.
It's very big and heavy.
Grtz
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