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#1
October 27th 17, 01:27 PM
posted to alt.binaries.pictures.aviation
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Props, concluded - P 47-sweptback-blades.jpg (1/1)
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#2
October 29th 17, 06:22 PM
posted to alt.binaries.pictures.aviation
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Props, concluded - P 47-sweptback-blades.jpg (1/1)
8-o
With so many lovers of the Jug around me, and some books on my shelves, too, I discover ! -- D(e l'aviation, rien que de l'aviation) 520 Site et chat : http://d520.online.fr Cocardes du monde : http://cocardes.monde.online.fr/v2html/fr/accueil.html Tagazous : http://tagazous.free.fr/affichage.ph....%20St-Sanvain
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#3
October 29th 17, 11:15 PM
posted to alt.binaries.pictures.aviation
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Props, concluded - P 47
In article , Mitchell Holman
says... Can't seem to find anything on this with its three sweptback-blades...anyone got any info? go Warriors! *
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#4
October 30th 17, 01:46 AM
posted to alt.binaries.pictures.aviation
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Props, concluded - P 47
On 29 Oct 2017 16:15:38 -0700, Miloch
wrote: In article , Mitchell Holman says... Can't seem to find anything on this with its three sweptback-blades...anyone got any info? https://en.wikipedia.org/wiki/Herbert_O._Fisher ....about halfway down the page: Early tests with transonic compressibility. "The desire to develop a propeller that maintained its efficiency at transonic and supersonic speeds led the Curtiss-Wright Propeller Division to design and test several different concepts, including a thin, cuffed four-blade and a three-bladed "scimitar" design. Utilizing a specially modified P-47D-30-RE on loan from the USAAF,[N 6] Fisher undertook over 100 high Mach number precision dives from 38,000 ft (11,582 m) at speeds from 500 mph (800 km/h) to 590 mph (950 km/h).[N 7] The typical flight began above 35,000 ft (10,668 m) when Fisher would push over into a steep dive, allowing his airspeed to build beyond 560 mph (900 km/h) (true airspeed).[21] He would then execute a pullout at 18,000 ft (5,486 m), having to maintain an exacting set altitude within plus or minus five ft.[9]"
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#5
October 30th 17, 02:19 AM
posted to alt.binaries.pictures.aviation
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Props, concluded - P 47
In article , not my real pseudonym
says... On 29 Oct 2017 16:15:38 -0700, Miloch wrote: In article , Mitchell Holman says... Can't seem to find anything on this with its three sweptback-blades...anyone got any info? https://en.wikipedia.org/wiki/Herbert_O._Fisher ...about halfway down the page: Early tests with transonic compressibility. "The desire to develop a propeller that maintained its efficiency at transonic and supersonic speeds led the Curtiss-Wright Propeller Division to design and test several different concepts, including a thin, cuffed four-blade and a three-bladed "scimitar" design. Utilizing a specially modified P-47D-30-RE on loan from the USAAF,[N 6] Fisher undertook over 100 high Mach number precision dives from 38,000 ft (11,582 m) at speeds from 500 mph (800 km/h) to 590 mph (950 km/h).[N 7] The typical flight began above 35,000 ft (10,668 m) when Fisher would push over into a steep dive, allowing his airspeed to build beyond 560 mph (900 km/h) (true airspeed).[21] He would then execute a pullout at 18,000 ft (5,486 m), having to maintain an exacting set altitude within plus or minus five ft.[9]" thanks *
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