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#1
October 6th 13, 06:22 AM
posted to alt.binaries.pictures.aviation
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UK2 JX485 Consolidated CoronadoGR1 ex USN 7192 PB2Y-3B Helensburgh.jpg
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#2
October 6th 13, 10:05 AM
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UK2 JX485 Consolidated CoronadoGR1 ex USN 7192 PB2Y-3B Helensburgh.jpg
Is that a 3 blade prop and a 4 blader?
Regards Syke
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#3
October 6th 13, 10:15 AM
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UK2 JX485 Consolidated CoronadoGR1 ex USN 7192 PB2Y-3B Helensburgh.jpg
On 06/10/2013 09:05, Syke wrote:
Is that a 3 blade prop and a 4 blader? Regards Syke Responding to my own question, it seems the answer is, sometimes; https://www.google.co.uk/search?q=co...=lnms&tbm=isch But not always; http://www.aircraftaces.com/photos/pby-coronado-1.jpg How odd! Regards Syke
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#4
October 6th 13, 03:56 PM
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UK2 JX485 Consolidated CoronadoGR1 ex USN 7192 PB2Y-3B Helensburgh.jpg
On Sun, 06 Oct 2013 09:15:53 +0100, Syke
wrote: On 06/10/2013 09:05, Syke wrote: Is that a 3 blade prop and a 4 blader? Regards Syke Responding to my own question, it seems the answer is, sometimes; https://www.google.co.uk/search?q=co...=lnms&tbm=isch But not always; http://www.aircraftaces.com/photos/pby-coronado-1.jpg How odd! Some interesting history on the Coronado: http://www.history.navy.mil/branches...ac/pb2y-5r.pdf
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#5
October 6th 13, 04:28 PM
posted to alt.binaries.pictures.aviation
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UK2 JX485 Consolidated CoronadoGR1 ex USN 7192 PB2Y-3B Helensburgh.jpg
Very interesting, especially as the 3-view drawing shows a mix of 3 and
4-blade props. I wonder why this would be? Regards Syke
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#6
October 6th 13, 04:39 PM
posted to alt.binaries.pictures.aviation
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UK2 JX485 Consolidated CoronadoGR1 ex USN 7192 PB2Y-3B Helensburgh.jpg
Syke wrote in news
 se4u.18783$xL5.844@fx31.am4: Very interesting, especially as the 3-view drawing shows a mix of 3 and 4-blade props. I wonder why this would be? Regards Syke The two inner engines were fitted with four-bladed reversible pitch propellers; the outer engines had standard three-bladed feathering props REF: Bridgeman, Leonard. "The Consolidated Vultee Model 29 Coronado". Jane's Fighting Aircraft of World War II. London: Studio, 1946. ISBN 1-85170-493-0
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#7
October 6th 13, 10:54 PM
posted to alt.binaries.pictures.aviation
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UK2 JX485 Consolidated CoronadoGR1 ex USN 7192 PB2Y-3B Helensburgh.jpg
On Sun, 06 Oct 2013 15:28:36 +0100, Syke
wrote: Very interesting, especially as the 3-view drawing shows a mix of 3 and 4-blade props. I wonder why this would be? Regards Syke As Szalay pointed out, the 4 bladed props were reversible pitch. I believe this was done for maneuverability while taxiing.
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#8
October 7th 13, 12:00 PM
posted to alt.binaries.pictures.aviation
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UK2 JX485 Consolidated CoronadoGR1 ex USN 7192 PB2Y-3B Helensburgh.jpg
On 06/10/2013 14:56, Lab Lover wrote:
On Sun, 06 Oct 2013 09:15:53 +0100, Syke wrote: On 06/10/2013 09:05, Syke wrote: Is that a 3 blade prop and a 4 blader? Regards Syke Responding to my own question, it seems the answer is, sometimes; https://www.google.co.uk/search?q=co...=lnms&tbm=isch But not always; http://www.aircraftaces.com/photos/pby-coronado-1.jpg How odd! Some interesting history on the Coronado: http://www.history.navy.mil/branches...ac/pb2y-5r.pdf I thought I'd research the Coronado in my own library, so took out my book on testing at Boscombe Down during WWII. It took a couple of minutes to work out why the Coronado wasn't in the index... -- Peter
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#9
October 7th 13, 07:43 PM
posted to alt.binaries.pictures.aviation
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UK2 JX485 Consolidated CoronadoGR1 ex USN 7192 PB2Y-3B Helensburgh.jpg
On Mon, 07 Oct 2013 11:00:39 +0100, Ramsman
wrote: On 06/10/2013 14:56, Lab Lover wrote: On Sun, 06 Oct 2013 09:15:53 +0100, Syke wrote: On 06/10/2013 09:05, Syke wrote: Is that a 3 blade prop and a 4 blader? Regards Syke Responding to my own question, it seems the answer is, sometimes; https://www.google.co.uk/search?q=co...=lnms&tbm=isch But not always; http://www.aircraftaces.com/photos/pby-coronado-1.jpg How odd! Some interesting history on the Coronado: http://www.history.navy.mil/branches...ac/pb2y-5r.pdf I thought I'd research the Coronado in my own library, so took out my book on testing at Boscombe Down during WWII. It took a couple of minutes to work out why the Coronado wasn't in the index... And....?
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#10
October 7th 13, 03:23 AM
posted to alt.binaries.pictures.aviation
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UK2 JX485 Consolidated CoronadoGR1 ex USN 7192 PB2Y-3B Helensburgh.jpg
Syke wrote:
Is that a 3 blade prop and a 4 blader? Regards Syke Apparently the performance characteristics of the inboard engines are different from the outboard. http://hartzellprop.com/faq/technical-questions/ Regards, Bob Taylor
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