Wikimedi'Òc

Supermarine Spitfire XIX vr.jpg - Stahlkocher

Yu-1 torpedo propulsion section.jpg - Megapixie

N1K1 contra-rotating prop.jpg - Tataroko-common

Supermarine Seafang.jpg - Cobatfor

Redoutable-Torpille.jpg - Ji-Elle

An-70-engine.jpg - Frze

Rolls-Royce Griffon on Shackleton.jpg - Threecharlie

Canadair CL-84-1 Dynavert tail rotor 02.JPG - Ahunt

Python Engine Installed in Altitude Wind Tunnel - GPN-2000-001471.jpg - BotMultichillT

Fan Folly - geograph.org.uk - 161439.jpg - GeographBot

Allison T40 propellers of Convair XP5Y-1.jpg - Cobatfor

3-Blade Coaxial Contra-rotating Propeller - Birla Industrial & Technological Museum - Kolkata 2012-01-11 7921.JPG - Gangulybiswarup

3-Blade Coaxial Contra-rotating Propeller - Birla Industrial & Technological Museum - Kolkata 2012-01-11 7922.JPG - Gangulybiswarup

Munich - Deutsches Museum - 07-0419.jpg - Jorgeroyan

Munich - Deutsches Museum - 07-0422.jpg - Jorgeroyan

Airpropelled vehicle in Barentsburg 02.JPG - Smiley.toerist

Airpropelled vehicle in Barentsburg 03.JPG - Smiley.toerist

General Motors P-75 Eagle.jpg - Moriahsound

M.O.S.I 25 6 11 (5870603868).jpg - File Upload Bot (Magnus Manske)

M.O.S.I 25 6 11 (5870603396).jpg - File Upload Bot (Magnus Manske)

Curtiss XF14C-2.jpg - The Bushranger

Museum of Long-Range Aviation (340-32).jpg - Slick-o-bot

Antonov AN-70 at Paris Air Show 2013 4.jpg - Andrew J.Kurbiko

Antonov AN-70 at Paris Air Show 2013 6.jpg - Tangopaso

Antonov AN-70 at Paris Air Show 2013 5.jpg - Tangopaso

Antonov AN-70 at Paris Air Show 2013 7.jpg - Tangopaso

Brazil verticraft.png - J2sande

Antonov An-70 Ramenskoye Airport 2013 (518-21).jpg - Slick-o-bot

Монумент создателям авиационной техники в Ступино.JPG - WikiFido

Propellers of Antonov An-70 (1).jpg - Ariadacapo

Propellers of Antonov An-70 (2).jpg - Ariadacapo

Антонов Ан-70 770102, Киев - Антонов (Гостомель) RP3297.jpg - Faebot

Contra-rotating propellers.gif - MichaelFrey

Kiev ukraine 1076 state aviation museum zhulyany (94) (5869720279).jpg - File Upload Bot (Magnus Manske)