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Bryank 10-23-2017 03:30 PM

Large Prop id?
 
3 Attachment(s)
Hi All,

I'm hoping someone can help ID the very large propeller we have at the Bournemouth Aviation Museum. It was always stated it was a Zeppelin prop, but I don't think anyone really believed that. Recently the prop has been removed from its previous location on a roof outside (!) and is currently sat in our engine area.

Now it is on the ground its size has become very apparent; It is 24 feet tip to tip (and apparently some time in the past it was longer - something happened to it but I have no further information) distance across the centre hub is around 2 feet.

There are no markings at all - I've attached some photos - One of the jet engines in the background is a Rolls Royce Avon, which gives you an idea how big this is!

Possibly from a wind tunnel?

Many thanks

Bryan

pmdec 10-24-2017 08:10 AM

1 Attachment(s)
Hi,

Could you send me (pmdecombeix at yahoo dot com) some "very large" and clear pics of the four sides of the hub ? If the central hole on the side not shown on the pics is not "flared", it is probably a pusher prop, and then perhaps for dirigible.
The shape is very like Ratmanoff propellers, except for the "bumps" of the blade feet.

Regards,
PM

Pic of a dirigible with Ratmanoff props :

Dbahnson 10-24-2017 09:29 AM

Airship is probably the most likely, but it's going to be very difficult to know much detail about it without any stampings on it.

Bryank 10-24-2017 03:38 PM

Quote:

Originally Posted by pmdec (Post 14876)
Hi,

Could you send me (pmdecombeix at yahoo dot com) some "very large" and clear pics of the four sides of the hub ? If the central hole on the side not shown on the pics is not "flared", it is probably a pusher prop, and then perhaps for dirigible.
The shape is very like Ratmanoff propellers, except for the "bumps" of the blade feet.

Regards,
PM

Pic of a dirigible with Ratmanoff props :

Hi, I have emailed some large pictures - I'll need to take some more as I don't have a photo of the other side yet..

Thanks

Bryan


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