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self-balancing electric motorcycle

Man Flies Like a Bird Flapping His Own Wings

therealblankman says...

April Fool isn't for 2 more weeks. I call real. Also, if you read the article it's clear that flapping does not equal un-powered. His motions are translated through gyro sensors and amplified through heavy-duty servo motors. Interestingly it seems the gyro sensors are from Nintendo Wii controllers and the processing power is from an Android phone.

I say to thee Icarus; don't fly too close to the sun.

Gyroscopic self-leveling pool table on A cruise ship - WOW!

Spacedog79 says...

This is what I mean, side to side movement can be countered by overcorrecting the tilt. This would explain why the table's apparent movement is so large. >> ^messenger:

If it were above the ship's roll centre, then it would have a lot of side-to-side movement to compensate for which is hard when your range of motion is mostly up and down. It would be easier towards the outside of the ship where there's a lot less side-to-side movement, and more up-and-down, which would merely increase or lessen the gravity on the balls, which is no big deal in a casual game.>> ^Spacedog79:
A mechanical gyro causing the movement would have delay and the balls would roll slightly. Assuming the table is above the ship's roll centre, the table would have to over correct for the ship's movement in order to keep the balls exactly in place. Most likely electronic gyros and good hydraulics with no stiction and powerful enough to not be affected by players putting pressure on the table.


Gyroscopic self-leveling pool table on A cruise ship - WOW!

messenger says...

If it were above the ship's roll centre, then it would have a lot of side-to-side movement to compensate for which is hard when your range of motion is mostly up and down. It would be easier towards the outside of the ship where there's a lot less side-to-side movement, and more up-and-down, which would merely increase or lessen the gravity on the balls, which is no big deal in a casual game.>> ^Spacedog79:

A mechanical gyro causing the movement would have delay and the balls would roll slightly. Assuming the table is above the ship's roll centre, the table would have to over correct for the ship's movement in order to keep the balls exactly in place. Most likely electronic gyros and good hydraulics with no stiction and powerful enough to not be affected by players putting pressure on the table.

Gyroscopic self-leveling pool table on A cruise ship - WOW!

Spacedog79 says...

A mechanical gyro causing the movement would have delay and the balls would roll slightly. Assuming the table is above the ship's roll centre, the table would have to over correct for the ship's movement in order to keep the balls exactly in place. Most likely electronic gyros and good hydraulics with no stiction and powerful enough to not be affected by players putting pressure on the table.

>> ^jmd:

>> ^longde:
Not really. Not saying it wouldn't be expensive, but the technology to do this has been around for a while: a few accelerometers, a gyroscope, and lots of actuators. And someone who knows a little control system programming.
Still pretty cool though.>> ^Spacedog79:
To work that precisely must take some serious engineering. I bet they're really expensive!


Actually, and judging by the title it is what it uses, but this can pretty much be done with a pivoting table and a large spinning gyro placed in the table. Much like a top, the spinning gyro would resist movement. There is probably something else that auto corrects the tilt for any time it is off (a gyro resist forces that try and tilt it, but if it finds a new tilt degree forcefully, it will keep it). It is really hard to tell from just seeing this video. Also if you went with the actuator route, something as simple as the actuators and an ipod alone could be used.
the most expensive part would probably still be the pool table, and the act of building the pool table mounted to the auto level device.

Gyroscopic self-leveling pool table on A cruise ship - WOW!

jmd says...

>> ^longde:

Not really. Not saying it wouldn't be expensive, but the technology to do this has been around for a while: a few accelerometers, a gyroscope, and lots of actuators. And someone who knows a little control system programming.
Still pretty cool though.>> ^Spacedog79:
To work that precisely must take some serious engineering. I bet they're really expensive!



Actually, and judging by the title it is what it uses, but this can pretty much be done with a pivoting table and a large spinning gyro placed in the table. Much like a top, the spinning gyro would resist movement. There is probably something else that auto corrects the tilt for any time it is off (a gyro resist forces that try and tilt it, but if it finds a new tilt degree forcefully, it will keep it). It is really hard to tell from just seeing this video. Also if you went with the actuator route, something as simple as the actuators and an ipod alone could be used.

the most expensive part would probably still be the pool table, and the act of building the pool table mounted to the auto level device.

The North Pole is Shifting

GeeSussFreeK says...

>> ^srd:

I fail to see why this is exciting. The magnetic north pole has always been off and always been moving (albeit slowly in the range of a few kilometers per year). My old school atlas from 1988 puts it in the Canadian arctic, in the Parry islands (roughly 100 degrees west, 75 degrees north).
Worse than the drift in the north pole are local disturbances in the forc^H^H^H^H magnetic fields, causing compasses to point over 30 degrees away from true north. If you're dependent on a magnetic compass for navigating, chances are you also have an up-to-date map catalogueing the local deviations.
Most aircraft have gyros for these reasons. Alternatively, you can always magnetize the aircraft and place it in a calm body of water. It will always point true north.


The reason it is slightly more exciting/crazy is because the rate of change is accelerating... drastically. From 1970, it has changed from 9 km/year to 41 km/year, to what it is now, nearly 64km a year. The acceleration might just be par for course, but it could also hint at a pole change. Really, we just don't know, and like all things, change scares us to death.

The North Pole is Shifting

srd says...

I fail to see why this is exciting. The magnetic north pole has always been off and always been moving (albeit slowly in the range of a few kilometers per year). My old school atlas from 1988 puts it in the Canadian arctic, in the Parry islands (roughly 100 degrees west, 75 degrees north).

Worse than the drift in the north pole are local disturbances in the forc^H^H^H^H magnetic fields, causing compasses to point over 30 degrees away from true north. If you're dependent on a magnetic compass for navigating, chances are you also have an up-to-date map catalogueing the local deviations.

Most aircraft have gyros for these reasons. Alternatively, you can always magnetize the aircraft and place it in a calm body of water. It will always point true north.

Awesome Aborted Landing on a Russian Carrier

BoneRemake says...

I actually said outloud " russians have carriers ?? "


man I sort of felt stupid there, I wonder why you never hear or see any of the other nations ships besides china, Canada I know only has our National Hms Canoe or whatnot and a couple Gyro-copters like in mad max..

Milton Friedman about getting Congress to do as they should

Milton Friedman about getting Congress to do as they should

rougy says...

>> ^imstellar28:

Ever been to Greece? You buy the sailboat I'll buy the gyros.
>> ^rougy:
I'm really sick of this shit. I'm really sick of this country.



No surprise. You're one of the pricks who are raping this country to hell.

Greece? The same Greece that had the rug pulled out from under it by the financiers that fucked over Iceland and hundreds of municipalities right here in the USA?

You're so clever.

Milton Friedman about getting Congress to do as they should

Gyroscope Training Wheel for Kids

Kanye Insults Taylor Swift at VMAs

phelixian says...

I think Kanye was suffering from ass-gyro-in-face-itis...... I certainly was after watching beyonce's video.

Ass-gyro-in-face-itis is known to cause fits of uncontrolled emotions and extreme outbursts of approval, as well as pants-dropping and lotion-using. We should be thankful only the first few symptoms reared their head.

rottenseed (Member Profile)

inflatablevagina says...

Yup thats where i was. I couldn't remember, but yes.
I probably saw your stupid house. I should have peed on it.
Had i known about the sift this time last year and what a dick you were, we would have had to get beers and insult each other. We stayed in Mission Bay, and I liked it there pretty well. Also In-N-Out burger sucks.

Don't pretend like you don't want to hang out with me.

In reply to this comment by rottenseed:
I know exactly where you were...that's belmont park (with a rollercoaster, no?). That gyro place is bomb. And that wave machine is RIGHT next to thewavehouse where on Sundays they do a house party in the afternoon til about 10. If it wasn't for the eminent hangover on mondays I'd be there every sunday. I live about 3 miles away from there, wow that's really close for sifters to be to one another without tearing a hole in the sift-space continuum.

I'd say next time you're over here to hit me up, but you're probably not coming back and we probably don't want you...:P

In reply to this comment by inflatablevagina:
some place where they had surf boards and a wave for people to surf on. It was obnoxious and also some sort of terrible radio station was there blasting shit hole music. It wasn't house music though. It was like new rock shit that I hate. It was right on the beach and right across from the best gyros ever.

In reply to this comment by rottenseed:
The Wave or the wavehouse? I like the wave house...

(house music + sunsets)*drugs = awesome

In reply to this comment by inflatablevagina:
i came for the gyros.
oh and the pizza

but not for that place called "The Wave". That place can suck my ass.

Fort Worth is the same way so I can't give you the golden shower that you probably deserve

In reply to this comment by rottenseed:
Yea SD does suck post anal sex discharge, but...but...well I can't defend this fucking place.

I can't apologize for the people here because they piss me off too...and I probably piss them off. Next thing you know we're all pissing each other off and here comes a tourist like yourself that walks right into the middle of this angry piss-fest and starts crying about getting pissed on...well fuck you, who fucking invited you anyway?!

In reply to this comment by inflatablevagina:
well Rottenseed, i was in San Diego this time last year.... water was pretty.. people were dicks.

stopped at a place by the ocean to drink a beer.... full of pricks.

So.. basically San Diego can suck my cooter. (spell check is flagging cooter and suggesting cuter.. .oh spell check you don't know how right you are...)

I did enjoy the tiny Photography Museum though.



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