The Complex Napier Sabre 24 Cylinder Aero Engine Explained Simply

The Napier Sabre H-24 powered the Hawker Typhoon and Tempest fighters. At first look, the engine may seem too complex to easily understand. This video sorts that out, explaining the engine in a way that is easy to understand and will also give anyone a good basic understanding of how the engine works and why it was even designed that way in the first place. Inline 6 Aero Engine Deep Dive (including balance) - https://youtu.be/Su9WN0Pi04s The Rise & Fall of the Radial Aero Engine - https://youtu.be/uHagAGDU_xg Follow me on Instagram: https://www.instagram.com/lets_go_aviate/ Chapters: 0:00 ICE Peak 1:05 The Scaling Problem 4:04 Crankshaft(s) 6:10 Connecting Rods 7:53 Sleeve Valves 12:41 Small Cylinders 15:34 Forced Induction 16:48 Size / Compactness 17:44 Disappearance Copyrighted content credit (using with permission): Thanks to the Smithsonian National Air and Space Museum for the use of the image at the opening seconds of the video and at 15:40 & 16:52. Visit https://airandspace.si.edu Thanks to the Aircraft Engine Historical Society for the use of the Napier Sabre Engine Moving Animations at 0:16, 5:33, 8:52 & 12:52. Visit https://www.enginehistory.org/CAD/index.php#NapierSabre for more engine animations Thanks to the Napier Power Heritage Trust for the use of the images at 0:10, 0:38, 0:48 & 15:22. Visit npht.org Thanks to mechtraveller.com for the video showing the closeup operation of sleeve valves at 8:41. Visit mechtraveller.com Thumbnail attribution: Napier Sabre III-author Flickr user "tataquax" : https://www.flickr.com/photos/25451699@N04 (https://creativecommons.org/licenses/by-sa/2.0/deed.en) removed background & colorgraded the photo Image also used at 4:37 Creative Commons Video attribution in order: 0:27 F86 Sabre - The Most Feared Fighter Plane in the world by Sonya L Terry (https://youtu.be/7o50dKERIK4), license CC-BY 1:05 Harry Hardy DFC Hawker Typhoon Pilot by The Damcasters - The Aviation History Podcast (https://youtu.be/4LXDacpBH30), license CC-BY 1:33 Gloster Meteor - A Short History by A Short History (https://youtu.be/kbdFjTAnbpM), license CC-BY 3:21 Inline 6 Cylinder animation-author MichaelFrey (https://creativecommons.org/licenses/by-sa/4.0/deed.en) cropped side view & overlaid text 4:28 Animation of an H-Engine-author MichaelFrey (https://creativecommons.org/licenses/by-sa/3.0/deed.en) reversed direction of top crankshaft 7:37 SUBARU BOXER Engine by Need for Speed Racers (https://youtu.be/AzqgAzxtZO4), license CC-BY 8:25 Why is it important to understand top dead center vs. overlap on a 4-stroke? by How 2 Wrench (https://youtu.be/vg0x4_mQd9M), license CC-BY 10:22 4StrokeEngine Animation-author Zephyris (https://creativecommons.org/licenses/by-sa/3.0/deed.en) zoom+crop 18:10 Monster Race Engine Roars to Life in Tiny Bush Plane by Mike Patey (https://youtu.be/0fUMXe13lfw), license CC-BY Creative Commons Image attribution in order: Macchi-Castoldi M.C.72 engine Fiat AS.6-author Bergfalke2 (https://creativecommons.org/licenses/by-sa/3.0/deed.en) no changes Daimler-Benz DB 604-author Nimbus227 (https://creativecommons.org/licenses/by-sa/4.0/deed.en) no changes Motore Isotta Fraschini Asso 750 (W18)-author Alessandro Nassiri for Museo scienza e tecnologia Milano (https://creativecommons.org/licenses/by-sa/4.0/deed.en) cropped JAGUAR 3L V6 Supercharged-author Jaguar MENA (https://creativecommons.org/licenses/by/2.0/) crop+zoom+overlaid arrows Fork and blade connecting rod-author Andy Dingley (https://creativecommons.org/licenses/by-sa/3.0/deed.en) overlaid arrows Subaru Impreza WRX STI 2006 engine-author Ric man (https://creativecommons.org/licenses/by-sa/2.5/deed.en) overlaid cross RAF Museum Cosford Merlin-Author Rept0n1x (https://creativecommons.org/licenses/by-sa/3.0/deed.en) crop+zoom+overlaid arrows Bristol Perseus sleeve valve radial engine-author Stahlkocher (https://creativecommons.org/licenses/by-sa/3.0/deed.en) crop&arrows overlaid Sleeve Valve Closeup-author Kitplane01 (https://creativecommons.org/licenses/by-sa/4.0/deed.en) crop+zoom Napier Sabre Engine-author Paul Maritz (paulmaz) (https://creativecommons.org/licenses/by-sa/3.0/deed.en) no changes Hawker Fury with Napier Sabre VII - Copyright NPHT Napier Sabre III-author Hugh Llewelyn (https://creativecommons.org/licenses/by-sa/2.0/deed.en) cropped+overlaid arrows Hawker Typhoon Ib (composite airframe) ‘JP843 / Y / T’-author Alan Wilson (https://creativecommons.org/licenses/by-sa/2.0/) crop+zoom+overlaid text 9 Zylinder Sternmotor(Vedenyev M14P)-author Thomas Vogt (https://creativecommons.org/licenses/by-sa/2.0/deed.en) no changes