Uploaded April 2020 | Updated September 2026, 1 week ago

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What happens when helicopters fly too fast or turn too steep? Let's talk about the phenomenon known as Retreating Blade Stall.

(I noticed too late that I mislabeled the Pitch Horn, it's not the rod attached to the swashplate, it's the part of the housing that connects to the rod.)

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00:00 - Intro
00:43 - Concepts: Dissymmetry of Lift
02:24 - Concepts: Flapping
04:04 - Concepts: Feathering
05:36 - Concepts: Gyroscopic Precession
06:42 - Concepts: Phase Lag
07:44 - Concepts: Critical Angle of Attack
09:20 - Concepts: Retreating Blade Stall
10:23 - Demo: Dive and Stall
13:14 - Discussion: Roll Direction Bug
14:18 - Demo: Dive and Prevent RBS
15:33 - Discussion: Other ways to trigger RBS
16:33 - Demo: Right Hand Turn Stall
19:05 - Demo: Left Hand Turn Stall
20:00 - Outro

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My Hardware:
- Saitek X-56 (2016)
- Saitek Pro Flight Rudder Pedals (The plastic ones)
- NaturalPoint TrackIR 5
- Blue Yeti

Relevant Mods:
- Mi-8 Black English Cockpit by Devrim: digitalcombatsimulator.com/en/files/1053263
- Unofficial RoughMet Patch: digitalcombatsimulator.com/en/files/3303667
- Ace Combat Erusean 3rd RGR Livery: digitalcombatsimulator.com/en/files/3305247

Flight Manuals:
- Chuck's Guide: mudspike.com/chucks-guides-dcs-mi-8mtv2
- Official Flight Manual: digitalcombatsimulator.com/en/downloads/documentation/magnificent_eight_flight_manual