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Old 03-13-2011, 01:39 PM   #1
Jaross
 
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Default Prop i.d. please.

Hiya, I have just bought this propeller from a junk/antique shop.
I already have bits and pieces of ww1 props but I think this one is later.
It is 78 inches long
The hub is 9 wide at the back
Depth of hub is 3 3/4 thick
The centre hole is 2 3/4 wide
There are 8 bolt holes and 4 smaller ones.
None of the markings or stamps can be seen as it is entirely covered in fabric and been painted.
It has copper leading edges 3/8 of an inch wide coming half way down each blade.
Any ideas ?[IMG][/IMG]

Last edited by Jaross; 03-13-2011 at 01:42 PM. Reason: url for phot
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Old 03-13-2011, 02:52 PM   #2
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I'd say the possibilities are huge. It's modern design and if you look at Sensenich, for instance, you'll see that just that one manufacturer has at least 7 models of that length. Other manufacturers were similar. There are also 6 hole and 8 hole variations in those as well.
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Old 03-13-2011, 03:19 PM   #3
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I thought as much, when you say modern what are we talking here? It does seem to be quite old I reckon maybe 1930,s.
Thanks, John.
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Old 03-13-2011, 03:52 PM   #4
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Generally it's 40's or later, but some are 30's. Sensenich began manufacturing props in 1932, for instance, but is still making some of the same models. There's really no good way of telling for most of them.
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Old 03-13-2011, 04:28 PM   #5
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Thanks for the reply, can you tell me why I can't find any pictures of similar props completely covered in fabric , also would it the right thing to do to strip it back to wood for display and if so how to do it?
Cheers, John.
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Old 03-13-2011, 05:05 PM   #6
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I've NEVER seen a propeller completely covered in fabric, so I can't answer that. Some had blades that were covered almost all the way to the hub (like this Armstrong Whitworth FK8), but even those weren't all that common. If it's fabric you should see seams everywhere that fabric overlaps, and I would think it would difficult to cover a hub area with fabric due to the complexity of curvatures there.

The detail in the photo isn't clear enough to me to know what's going on there.
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Old 03-13-2011, 06:11 PM   #7
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I will get some more detailed photos to you . Sounds interesting
John.
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Old 03-14-2011, 04:32 PM   #8
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Here are some more photos, sorry about the size. It seems to be made out of a darker timber than the sensenich props, does this mean anything? Hopefully you can see that it is totally covered in fabric and there does not seem to be any seams.
John.
Attached Images
File Type: jpg 100_3801.jpg (43.6 KB, 5 views)
File Type: jpg 100_3803.jpg (34.6 KB, 5 views)
File Type: jpg 100_3804.jpg (32.1 KB, 5 views)
File Type: jpg 100_3806.jpg (86.9 KB, 5 views)
File Type: jpg 100_3808.jpg (39.3 KB, 7 views)

Last edited by Jaross; 03-14-2011 at 04:44 PM. Reason: photo prob
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Old 03-14-2011, 09:41 PM   #9
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Are you sure it's fabric and not just paint? I can't imagine any way of applying fabric without showing evidence of seams in places.
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Old 03-15-2011, 04:57 AM   #10
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Yeah I am as sure as I can be, perhaps it was doped on to start with and there is a fair amount of paint over it which could hide joints especially butt joints, but having said that I see what you mean! The weave can clearly be seen though. I tried to show the colour of the wood, could this indicate age ?
Sorry to keep on but I don't know where else to enquire and I would love to know more.
Thanks for your time, John.
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