Radial Collection (#5)

Bristol Hercules XI 14-cylinder radial power unit for the Short Stirling

Bristol Hercules 734 14-cylinder radial Front port view
Bristol Hercules 734 14-cylinder radial. Front port view

Bristol Hercules IV 14-cylinder radial Port side
Bristol Hercules IV 14-cylinder radial. Port side

Bristol Hercules IV 14-cylinder radial Front port view
Bristol Hercules IV 14-cylinder radial. Front port view

Bristol Hercules IV 14-cylinder radial Front view
Bristol Hercules IV 14-cylinder radial. Front view

Bristol Hercules III 14-cylinder radial Rear view
Bristol Hercules III 14-cylinder radial. Rear view

Bristol Hercules III 14-cylinder radial Front port view
Bristol Hercules III 14-cylinder radial. Front port view

Bristol Hercules III 14-cylinder radial Port side
Bristol Hercules III 14-cylinder radial. Port side

Wolseley AR9 MkI 9-cylinder radial
Wolseley AR9 MkI nine-cylinder radial as fitted to the Airspeed Envoy I

Blackburn B-24 Skua II L2885
Blackburn B-24 Skua II, L2885, was used by the Bristol Aeroplane Co for engine proving. It is seen here with a Bristol Perseus XII radial

Avro 504K H2972 powered by Armstrong Siddeley Lynx radial
Avro 504K, H2972, powered by an Armstrong Siddeley Lynx radial

Bristol Orion 9-cylinder radial - Front view
Bristol Orion nine-cylinder radial. Front view

Bristol Orion 9-cylinder radial - front starboard view
Bristol Orion nine-cylinder radial. rear starboard view

Bristol Bulldog IVA R-8 fitted with Perseus IA radial
Bristol Bulldog IVA, R-8, fitted with Perseus IA radial at the SBAC show in June 1934. Date: 1934

Bristol Bulldog IVA K4292
Bristol Bulldog IVA, K4292, formerly R-7, fitted with a Perseus III radial in a NACA cowl

Bristol Bulldog IIIA R-5 fitted with a Mercury IVS 2 radial
Bristol Bulldog IIIA, R-5, fitted with a Mercury IVS.2 radial

Rocky Mountain Steel Products Pegasus 9-cylinder air-cooled
Rocky Mountain Steel Products Pegasus nine-cylinder, air-cooled radial (side)

Packard DR-980 9-cylinder 225hp air-cooled radial diesel
Packard DR-980 nine-cylinder, 225hp, air-cooled radial diesel (rear)

Continental R-670 seven-cylinder 210hp air-cooled radial
Continental R-670 seven-cylinder, 210hp, air-cooled radial

Warner Super Scarab seven-cylinder air-cooled radial
Warner Super Scarab seven-cylinder, air-cooled radial (front quarter)

Warner Super Scarab seven-cylinder 145hp air-cooled radial
Warner Super Scarab seven-cylinder, 145hp, air-cooled radial (rear quarter)

Warner Scarab Junior five-cylinder 90hp air-cooled radial
Warner Scarab Junior five-cylinder, 90hp, air-cooled radial

Elizalde Dragon five-cylinder air-cooled radial
Elizalde Dragon five-cylinder, air-cooled, radial (rear quarter)

Fairchild-Caminez four-cylinder air-cooled radial
Fairchild-Caminez four-cylinder, air-cooled radial

MacClatchie Manufacturing Company Panther 7-cylinder
MacClatchie Manufacturing Company Panther seven-cylinder, air-cooled radial

LeBlond Aircraft Engine Corp. 90 7-cylinder air-cooled radia
LeBlond Aircraft Engine Corporation 90 seven-cylinder, air-cooled radial (rear)

Kinner Motors Inc K-5B 5-cylinder air-cooled 100hp radial
Kinner Motors Inc K-5B five-cylinder, air-cooled 100hp radial

S-5-125 direct-drive, five-cylinder, air-cooled radial
Security Aircraft Corporation S-5-125 direct-drive, five-cylinder, air-cooled radial

Pitcairn PA-19 four-seat cabin autogiro powered by a 420hp Wright Whirlwind radial. Photo from a brochure

A sectioned Bristol Pegasus radial at the 1934 Paris Salon. Date: 1934

Hispano-Suiza 5Q 5-cylinder radial rated at 165hp

Hispano-Suiza 14HB (Series 80) 14-cylinder radial rated at 700hp

Hispano-Suiza 14HA 14-cylinder radial

The sole Hawker PV4 K6926
The sole Hawker PV4, K6926, when used as an engine test bed for the Bristol Perseus XII radial

Hawker Hart K3020 powered by a Bristol Mercury VIII radial
Hawker Hart, K3020, powered by a Bristol Mercury VIII radial and fitted with a Rotol propeller

Hawker Hart K3012 was fitted with a Bristol Perseus radial
Hawker Hart, K3012, was fitted with a Bristol Perseus radial and an enclosed cockpit and used for cold weather trials in Canada. It is seen here fitted with a ski undercarriage

Westland Wapiti I fitted with a Jupiter radial with a Townend ring

Westland Wapiti prototype J8495
Westland Wapiti prototype, J8495, fitted with a cowled Pegasus radial

The first Hawker Woodcock I J6987
The first Hawker Woodcock I, J6987, fitted with a Bristol Jupiter radial

Northrop 2L Gamma Commercial G-AFBT
Northrop 2L Gamma Commercial, G-AFBT, used in early flight trials for the Bristol Hercules radial

H-NACT was KLMs first Fokker FVIIa. It had a Gnome RhJupiter VI radial and was delivered in October 1925. This aircraft remained in use until May 1940 when it was destroyed by German bombing

Short S8 Calcutta engine nacelle for the Bristol Jupiter radial showing the engine lifting gear

The Junkers Ju52 / 1mci D-2133
The Junkers Ju52/1mci, D-2133, was powered by an Armstrong Siddeley Leopard radial

Junkers K43
This Junkers K43 was powered by a Armstrong Siddeley Panther radial

Hawker Tornado HG641
Hawker Tornado, HG641, powered by a Bristol Centaurus radial

Fairey Battle testbed for the Bristol Taurus radial K9331
Fairey Battle testbed for the Bristol Taurus radial, K9331, head-on view

Pinus montezumae (Montezuma pine), stem with cones and radial leaves

Marey type sphygmograph, 19th century C017 / 6933
Marey type sphygmograph, made in France around 1870. This instrument is boxed, made from gilt metal and has a clockwork mechanism

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"Exploring the Radial: From Notre Dame's Rose Window to Anatomical Artwork and Engine Marvels" Immerse yourself in the captivating world of "radial" as we embark on a journey through various realms. In France, Paris beckons with its iconic Notre Dame Cathedral, where the mesmerizing Rose window showcases radial symmetry at its finest. Delving into anatomy, our attention is drawn to the intricate artwork C013/7419 depicting arm circulation—a testament to the fascinating radial patterns found within our own bodies. Transportation enthusiasts will marvel at the Hawker Hector powered by the mighty Napier Dagger III engine. Its radial ply construction ensures optimal performance, just like a well-designed car tyre. Turning our gaze towards aviation history, we encounter Scottish Aviation Pioneer VL515—the first of its kind—whose story includes a remarkable re-engineering feat. Abstract visualizations take us beneath a red umbrella in Kyoto, Japan (n4b), where even everyday objects can exhibit radial allure. The Bristol Hercules 736 tantalizes with its front port view—an awe-inspiring 14-cylinder radial masterpiece that propels aircraft to new heights. Meanwhile, Avia Rk. 17 captivates with its sleek design and undeniable charm. In agricultural aviation, Transland Ag-2 N8330H and N8831H soar through fields with their powerful radials roaring. Witnessing these machines in action is an experience like no other—especially when accompanied by their trusty companion Transland Ag-2 N8330H. Not forgetting ground transportation wonders, we encounter Alvis Leonides Major—a true powerhouse boasting impressive radial capabilities akin to those found in the legendary Bristol Hercules engine. From architectural wonders and anatomical intricacies to engineering marvels both airborne and terrestrial—the concept of "radial" reveals itself across diverse domains. Join us as we celebrate this captivating phenomenon that unites artistry and innovation.