holy shit that is an epic design for how to safely jump out of a moving vehicle. i wonder what the limit is. let's say the vehicle is an 8 cylinder turbo, cranking 300km/h. how long does the rail have to be to not require more force than a human body can withstand without causing blackout? The variables - Velocity change: 80 km/h = 22.2 m/s - G-force limit for "definitely no blackout": depends on direction and duration G-force tolerance Blackout occurs when blood pools away from the brain. Tolerance varies by acceleration direction: ┌────────────────────┬────────────────────────────────────┬──────────────────────────────┐ │ Direction │ Description │ Untrained tolerance │ ├────────────────────┼────────────────────────────────────┼──────────────────────────────┤ │ +Gx │ Lying on your back, pushed from │ ~15g short duration │ │ (chest-to-back) │ behind │ │ ├────────────────────┼────────────────────────────────────┼──────────────────────────────┤ │ -Gx │ Pushed from front │ ~10g short duration │ │ (back-to-chest) │ │ │ ├────────────────────┼────────────────────────────────────┼──────────────────────────────┤ │ +Gz (head-to-foot) │ Blood pools to feet - worst case │ ~4-6g sustained, higher │ │ │ │ briefly │ ├────────────────────┼────────────────────────────────────┼──────────────────────────────┤ │ -Gz (foot-to-head) │ Blood pools to head │ ~2-3g │ └────────────────────┴────────────────────────────────────┴──────────────────────────────┘ For sub-second durations (which this will be), tolerance is significantly higher than sustained values. Roller coasters routinely hit 4-6g briefly with no issues. The calculation Using v² = 2as, solving for distance: s = v² / (2 × n × 9.81) G-force: 2g Distance: 12.6 m Duration: 1.13 s Safety margin: Comfortable for anyone ──────────────────────────────────────── G-force: 3g Distance: 8.4 m Duration: 0.75 s Safety margin: "Definitely safe" for any untrained person in any orientation ──────────────────────────────────────── G-force: 4g Distance: 6.3 m Duration: 0.57 s Safety margin: Safe, brief mild discomfort ──────────────────────────────────────── G-force: 5g Distance: 5.0 m Duration: 0.45 s Safety margin: Safe for sub-second, need correct positioning The answer ~8.4 metres at 3g is the conservative "definitely no blackout" distance. At 0.75 seconds duration and 3g, even in the worst orientation (+Gz), an untrained person won't black out. Most people wouldn't even feel particularly uncomfortable. A standard flatbed truck tray is 6-8 metres, so this is physically achievable on a large flatbed. If you orient the person chest-to-back (lying in a reclined seat facing rearward, acceleration pushes them into the seat), you could safely shorten it to ~5 metres at 5g with plenty of margin. The video you saw likely used a rail/sled system running the length of the truck bed with a controlled acceleration profile - probably something close to these numbers.

this is a realistic way to deploy men out the back of a moving vehicle at relatively slow speed (80km/h in a truck with a 10m long tray). you can imagine them dropping out 1 at a time in precise positions ready to strike at a given pre-planned target location. the person will land on the ground with zero momentum and be able to immediately start running. it would take about 3 seconds to return the thing back (can go way faster on the way back) and you could drop three guys out at about 30m apart or more. hah. all this war engineering technology.

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That’s true. gm! ☕️

Crazy experiment, hahaha 😂 I love these compilations Why Women live longer than men and Meanwhile in Russia on YouTube. They’re just plain crazy and out of their mind sometimes 😅 GM! 💜

GM!

GM lemon 👬

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