G-force, jerk, and a giant centrifuge

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Published 2018-04-16
Thanks to the Starrship team for arranging this! I'm also over on their channel, flying with the Blades:    • Tom Scott explains G-Force with The B...   • At the Royal Air Force training centrifuge in Farnborough, pilots learn how to avoid G-LOC: g-induced loss of consciousness. Let's talk about g-force, about jerk, and about how to keep circulation flowing to your brain.

FAQs:

* Isn't 3.6g a really low g-tolerance? *
Yep. Turns out I would not qualify to be a fighter pilot. The average range for g-tolerance is 4-6; no-one was expecting me to pass out. The centrifuge team do not deliberately try to G-LOC people! To be fair, though, I'd done a few earlier runs with only minor effects.

* What g was the RAF person at the start pulling? *
That's Marcus, from the Starrship team, and he was successfully pulling 6.5g with the help of g-trousers: they plug into a compressed air source in the plane (and in the centrifuge) and act as a lower-body tourniquet to keep the blood up top. They are very effective.

* Why did you shake and shudder when regaining consciousness? *
Those are called "myoclonic convulsions", which is a fancy medical term for "muscle jerks", and they're a common side effect of recovering from G-LOC.

* What did it feel like? *
I'll answer this in more detail in a video over on the Matt and Tom channel soon, but in short: I don't remember it. I was doing the breathing maneuver, then everything was wobbly, then we were stopped!

* Is this a sponsored video? *
No: the RAF and Starrship had no editorial control over this, and no money changed hands. Obviously, though, they gave me a spin in the centrifuge, and I'm collaborating with them over on their channel too!


THANKS TO:
The RAF Centre of Aviation Medicine, the Starrship team, and the folks at Qinetiq.

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All Comments (21)
  • @TomScottGo
    If you have questions (what did it feel like? why did you convulse? isn't 3.6g a really low tolerance?) pull down the description, I've answered a few there! And if you see someone ask a question that's in the description, please point them there.
  • @santiklingo
    I love how he just goes "PAH ,,,, puh , ᵖᵘʰ" and fuckin dies
  • @Andrew-wb2zq
    Funny that Tom was deathly afraid of roller coasters, but hopped right into this thing designed to drain the blood out of your head.
  • @eleventyeleven
    I think saying ‘blimey’ after you were resurrected from the dead is one of the most british things to ever do
  • @mrjoe332
    arrives at heaven 🇧 🇱 🇮 🇲 🇪 🇾
  • “The human body is an incredible thing” the human body - falls from standing upright and head hits the ground, dead also the human body - casually vibes with 5Gs of force
  • @Sp00kq
    temporarily "dies" wakes up "B L I M E Y"
  • @soup5344
    practically dies wakes up stares at his soul being sucked back into his body "B l i m e y!"
  • The highest momentary g-force ever survived was 214 g when Kenny Breck crashed his IndyCar. At 69kg, he momentary weighed over 14.7 metric tons.
  • British people literally see Satan and be like: “Odd looking bloke that one innit?”
  • @AcidGlow
    Loses Soul Goes to Heavens Doors... Gets pulled back to his body BLIMEY! ✅🙂
  • @ttyl2592
    off topics: as an F1 fans, I really hope that non-fans can now understand how incredible those drivers are to constantly fighting those G-force while racing in 50-70 laps per race not including free practice, qualifying or even crash that can make they face 20-50G per impact.