We discuss twin cylinder aeroplane engines and how layout affects it's use in aviation.

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Video Timestamps:
0:00 Intro
0:27 Layout
2:52 Engine Balance (Primary)
3:47 Engine Balance (Rocking Couple)
4:44 Engine Balance (Secondary)
6:51 The Importance of Balance in Airplane Engines
8:38 V-Twin (Primary & Secondary Balance)
12:22 Firing Interval
14:15 Not All Is As It Seems
15:22 Brand New Inline Twin for Airplanes

Image credits:
Honda twin-Author Scott Pargett under license CC BY 2.0 (https://creativecommons.org/licenses/..., no changes
DOHC-Author Stahlkocher under license CC BY-SA 3.0 (https://creativecommons.org/licenses/..., no changes
Transat MD03-Author Guillaume Paumier CC BY-SA 2.5 (https://creativecommons.org/licenses/..., no changes
Aeromarine Merlin-Author Lestocq CC BY-SA 4.0 (https://creativecommons.org/licenses/..., no changes
Animated ICE-Author Zephyris under license CC BY-SA 3.0 (https://creativecommons.org/licenses/..., no changes
Boxer 2 animation-Author Anynobody under license CC BY-SA 3.0 (https://creativecommons.org/licenses/..., no changes
VM 133MK-Author MedniLedved under license CC BY-SA 3.0 (https://creativecommons.org/licenses/..., no changes
I2 animation-Author MichaelFrey under license CC BY-SA 4.0 (https://creativecommons.org/licenses/..., removed 360 & 270° animation
BMW R50/2-Author Jeff Dean
V-twin cutaway-Author fotois.com from Kanagawa-ken under license CC BY 2.0 (https://creativecommons.org/licenses/...) no changes
Harley-Author Ronald Saunders under license CC BY 2.0 (https://creativecommons.org/licenses/...) no changes
Flywheel-Author Anne under license CC BY 2.0 (https://creativecommons.org/licenses/...) no changes