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How fast could the average person whose in peak physical shape run on the moon, without the limits of current technology? I mean suit, but like a wetsuit with only a small helmet, and athletic shoes.

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[-] SkybreakerEngineer@lemmy.world 57 points 9 months ago

Check out the video of Apollo astronauts trying it out. Turns out, a normal running gait isn't a great idea, it's better to bunny hop.

[-] Wistful@discuss.tchncs.de 29 points 9 months ago

Moon is running on Quake engine.

[-] magic_lobster_party@kbin.social 13 points 9 months ago

Next moon mission they will try out rocket jumping techniques

[-] Archpawn@lemmy.world 1 points 9 months ago

Isn't that how they got on and off the moon?

[-] GluWu@lemm.ee 17 points 9 months ago

They figured that out because the suits are so bulky and pressurized on the inside. Every joint is either a hard rotation point or, at the knees and elbows, essentially a bendy tube. When you inflate that tube to keep the meat computer inside alive, it gets harder to bend and acts like a spring. So the hop came from bouncing on the legs of the suits like two big springs. They fell over a lot.

[-] yokonzo@lemmy.world 6 points 9 months ago

I think they meant if theoretically the person had full range of motion

[-] Ghostalmedia@lemmy.world 6 points 9 months ago

Although I do wonder what would change if they didn’t have the bulky suits and ran during a parabolic flight simulating lunar gravity.

[-] FuglyDuck@lemmy.world 7 points 9 months ago* (last edited 9 months ago)

The suspension phase would be higher and longer.

Which is why the bunny hop is more natural.

Keep in mind hoping with enough force that your feet rises .45 meters (about a foot and a half), which is about average for a statist high jump on earth equates to about 3 meters on the moon. You’d land with the same force as on earth… but it takes much longer to get back down.

The other problem with running is stopping. You get going too fast, build up too much speed and you suddenly need more space to stop- or you fall on your face.

Bunny hopping is more controlled… and the entire world was watching.

Best not to goof off too much. Alan Sheherd…. im talking to you.

Edit: just for the record, i think shepherd is a legend for that. There were very few people who knew what he was up to, IIRC only the mission planer knew. He smuggled the club head and golf balls up and used a shaft from one tool or another (that the club head was modified for.) apparently the mission planner gave the go-ahead as long as it happened at the end of EVAs, if there was extra time.

[-] GregorGizeh@lemmy.zip 3 points 9 months ago

There is literally a video out there of Usain Bolt racing a couple scientists I think, aboard one of those zero grav planes.

this post was submitted on 30 Jan 2024
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