@Thopter: Yes, you are correct. The gyro does get gently 'launched' by a soft mounting of the plastic pedestal and some flexure of the entire mechanical structure. That structure holds the camera, lights, clear box the gyro is in, and the pedestal. Before the release to fall, the structure is supported by one cable attached to the top and is stretched a bit. When released to fall, the structure 'relaxes' to its natural shape.
I have a question...since all bodies fall at the same rate of acceleration, why does the gyroscope float upwards in every case here? I find it interesting that it does. If anything, it seems the gyroscope should want to continue to press downward on the pedestal since I could conceive the camera box having external air resistance as it dropped, making it fall slightly slower than the rate of gravity. The internal gyro however would not have this air resistance, so what's going on here?
I am very happy to see the vidoe after you give this What does a toy gyroscope do when it suddenly dropped into free-fall and it feels like there is no gravity
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Technically there is no such thing as zero gravity. Also this free fall effect is exactly the same thing that occurs in the International Space Station.
If you filmed this Gyro being dropped from a plane or skyscraper you would witness the same thing, with the added intro duction of resistance and more turbulation.
"Conservation of angular momentum" is my favourite piece of science and this experiment combines it with "inertial frame of reference".
@ken3247 This was done in a NASA drop tower where experiments are dropped vertically down about 78 feet to create microgravity conditions for 2.2 seconds. When an item is in free fall (during that 2.2 seconds) it feels like there is no gravity. Astronauts on the space station feel like there is no gravity for the same reason. They (and the space station) are in free fall, falling around the Earth.
@ken3247 Well, to do this for a very short period of time, you could get a sturdy box and mount a camera inside that faces where the gyroscope will be. If it is an opaque box, you'll need a light (battery-powered?) inside. Find something soft to drop the box onto, like a pillow, mattress, box of packing "peanuts" or similar. Start the camera recording, start the gyroscope and put it in the box, and drop it as high as you can (and not too high to damage the camera.
If they really are just dropping it (not too sure how fast it's decelerating) it would seem more efficient to have a higher rig that would allow for instant drop with fast damped deceleration at the bottom. I would think any competent organization putting an expensive camera in a rig would do something like that.
@TheBoredSupremacy This experiment is released from a cable clamp so 'instantly' begins to fall. It falls during the 2.2 seconds with the acceleration of gravity, 9.8 m/s/s.
When it contacts the air bag at the bottom, the peak deceleration is about 15 g's.
the gyroscope rises because it rests on a plastic stand that is elastically flexed under 1g. when dropped the stand pushes the gyroscope up as it rebounds from deflection. a more rigid stand wouldn't rebound as much.
@edstirling Yes, that first trial had a rather 'soft' mounting system for the plastic base. There was also some flex in the mechanical structure of the whole carrier.
This is just what I'd expect to see. The 0g isn't exact, which is why the gyro drifts around. But it's close. Note that the second one precesses under the upward force of its stand countering gravity. But the instant it comes off the stand it holds its orientation. Also note how drag in the bearings begins to rotate the cage in the same direction as the rotor.
1) If you knew how gyroscopes worked, you would know that this is 100% possible.
2) This is low quality because they mounted a stationary camera in a box with the gyroscope spinning and dropped the box from a height. I doubt they would like to put an expensive camera in a box to drop.
3) Why would you bother faking something that is completely possible?
@danielcarmi305 Yes, this was real. The camera was was actually very expensive (over $1000) and the lens was also expensive. This rig is also used for "real" research experiments, not just demonstration experiments such as this gyroscope. Students can design their own microgravity experiments for this drop tower in NASA's DIME & WING programs.
when the gyro "goes up" it seems to do it with a constant speed, just like an inertial movement, if the G acceleration (don't want to say force because that's linked to mass) would have been slightly smaller, in the video it would have looked like accelerating upwards abit ...
@Thopter: Yes, you are correct. The gyro does get gently 'launched' by a soft mounting of the plastic pedestal and some flexure of the entire mechanical structure. That structure holds the camera, lights, clear box the gyro is in, and the pedestal. Before the release to fall, the structure is supported by one cable attached to the top and is stretched a bit. When released to fall, the structure 'relaxes' to its natural shape.
ThirdSon13 3 weeks ago
I have a question...since all bodies fall at the same rate of acceleration, why does the gyroscope float upwards in every case here? I find it interesting that it does. If anything, it seems the gyroscope should want to continue to press downward on the pedestal since I could conceive the camera box having external air resistance as it dropped, making it fall slightly slower than the rate of gravity. The internal gyro however would not have this air resistance, so what's going on here?
Thopter 3 weeks ago
Sorry but do you have a POINT in this?????
vormanator 1 month ago
I am very happy to see the vidoe after you give this What does a toy gyroscope do when it suddenly dropped into free-fall and it feels like there is no gravity
AntoMelta 1 month ago
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willamricard 1 month ago
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imegatrone 1 month ago
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Melehete 1 month ago
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NganaJHone 1 month ago
I Really Like The Video From Your Gyroscope in Free-Fall Zero-G
Ondelendo 1 month ago
Your Video Is Very Useful Sharing toy gyroscope do when it suddenly dropped into free-fall and it feels like there is no gravity
bundawartini 1 month ago
Technically there is no such thing as zero gravity. Also this free fall effect is exactly the same thing that occurs in the International Space Station.
If you filmed this Gyro being dropped from a plane or skyscraper you would witness the same thing, with the added intro duction of resistance and more turbulation.
"Conservation of angular momentum" is my favourite piece of science and this experiment combines it with "inertial frame of reference".
tyersposse 1 month ago
how do you do that
?
ken3247 2 months ago
@ken3247 This was done in a NASA drop tower where experiments are dropped vertically down about 78 feet to create microgravity conditions for 2.2 seconds. When an item is in free fall (during that 2.2 seconds) it feels like there is no gravity. Astronauts on the space station feel like there is no gravity for the same reason. They (and the space station) are in free fall, falling around the Earth.
ThirdSon13 2 months ago
@ThirdSon13 but how do i do this with my gyroscope?
ken3247 2 months ago
@ken3247 Well, to do this for a very short period of time, you could get a sturdy box and mount a camera inside that faces where the gyroscope will be. If it is an opaque box, you'll need a light (battery-powered?) inside. Find something soft to drop the box onto, like a pillow, mattress, box of packing "peanuts" or similar. Start the camera recording, start the gyroscope and put it in the box, and drop it as high as you can (and not too high to damage the camera.
ThirdSon13 2 months ago
fake i would like to see that on a HD camera where it doesnt black out every second
cH33zewarri0r 2 months ago
@cH33zewarri0r I do not understand "black out every second". Those are labels put in to separate the real-time and the slow motion segments.
ThirdSon13 2 months ago
well i just got bitch slapped by physics.
supersumo13 3 months ago
If they really are just dropping it (not too sure how fast it's decelerating) it would seem more efficient to have a higher rig that would allow for instant drop with fast damped deceleration at the bottom. I would think any competent organization putting an expensive camera in a rig would do something like that.
TheBoredSupremacy 4 months ago
@TheBoredSupremacy This experiment is released from a cable clamp so 'instantly' begins to fall. It falls during the 2.2 seconds with the acceleration of gravity, 9.8 m/s/s.
When it contacts the air bag at the bottom, the peak deceleration is about 15 g's.
ThirdSon13 2 months ago
the gyroscope rises because it rests on a plastic stand that is elastically flexed under 1g. when dropped the stand pushes the gyroscope up as it rebounds from deflection. a more rigid stand wouldn't rebound as much.
edstirling 5 months ago
@edstirling Yes, that first trial had a rather 'soft' mounting system for the plastic base. There was also some flex in the mechanical structure of the whole carrier.
ThirdSon13 5 months ago
This is just what I'd expect to see. The 0g isn't exact, which is why the gyro drifts around. But it's close. Note that the second one precesses under the upward force of its stand countering gravity. But the instant it comes off the stand it holds its orientation. Also note how drag in the bearings begins to rotate the cage in the same direction as the rotor.
ApolloWasReal 6 months ago
wow!Nice~
bruceokla 7 months ago
fake
theBIGreekgeek 9 months ago
@theBIGreekgeek I'm calling you a fake. Your mother faked you and your birth
TheSuckerOfTheWorld 9 months ago
@TheSuckerOfTheWorld well dude all the fake videos have low quality to hide something...!
theBIGreekgeek 9 months ago
@theBIGreekgeek it's low quality cuz it's too expensive to rig an HD camera to a container that you're going to drop on the ground..
mrmkowals2 8 months ago
@theBIGreekgeek
1) If you knew how gyroscopes worked, you would know that this is 100% possible.
2) This is low quality because they mounted a stationary camera in a box with the gyroscope spinning and dropped the box from a height. I doubt they would like to put an expensive camera in a box to drop.
3) Why would you bother faking something that is completely possible?
danielcarmi305 7 months ago 2
@danielcarmi305 Yes, this was real. The camera was was actually very expensive (over $1000) and the lens was also expensive. This rig is also used for "real" research experiments, not just demonstration experiments such as this gyroscope. Students can design their own microgravity experiments for this drop tower in NASA's DIME & WING programs.
DIME10NASA 5 months ago
Now drop it from a plane.
mario9dragon 9 months ago
when the gyro "goes up" it seems to do it with a constant speed, just like an inertial movement, if the G acceleration (don't want to say force because that's linked to mass) would have been slightly smaller, in the video it would have looked like accelerating upwards abit ...
MrCyraaxz 1 year ago
cooool
PindzMedia 2 years ago
nice
now let's extend the time longer for zero gravity.
maybe 20 seconds of zero gravity?
ducttaperulestheworl 2 years ago
link them together to make an anti-aero parachute
JordanMaster22 2 years ago
awesome!!!
fallenspirit123 2 years ago