Team 254: World's Fastest Climb Teaser

[NagyH]

Hello Everyone!

Team 254 will post a video of our robot, Overkill, performing the world's fastest 30 point climb if we reach 2540 likes or 2540 Twitter followers by April 3rd. Like our page on Facebook (http://www.facebook.com/team254robotics) and follow us on Twitter (https://twitter.com/team254)!

Spread the word!

[Mark Sheridan]

Exciting can't wait.

[bearbot]

Wow thought 1114 was fast can wait to see the POOFS climber!!!!!

[JohnSchneider]

Adding fuel to the SVR fire. Love it.

[dodar]

Adding fuel to the SVR fire. Love it.

Just wait till people find out that Pink is gonna be doing a 7-discs auto, Full-Court Shooting, dumping 6 discs in the pyramid goal and hanging for 30...oh wait :yikes:



Oh, and all that is in autonomous.

[Grim Tuesday]

Hello Everyone!

Team 254 will post a video of our robot, Overkill, performing the world's fastest 30 point climb if we reach 2540 likes or 2540 Twitter followers by April 3rd. Like our page on Facebook (http://www.facebook.com/team254robotics) and follow us on Twitter (https://twitter.com/team254)!

Spread the word!

1000 likes seems like a bit much for 7 days. I feel like the 'carrying capacity' of the population who 'like' FIRST facebooks is nearly maxed out at this point.

[dodar]

1000 likes seems like a bit much for 7 days. I feel like the 'carrying capacity' of the population who 'like' FIRST facebooks is nearly maxed out at this point.

Well its already gone up about 100 likes since this thread was posted.

[JB987]

Just make it 254 likes and out with it already:D

[orangemoore]

I think that by late tonight they will have enough likes.

[Kpchem]

1000 likes seems like a bit much for 7 days. I feel like the 'carrying capacity' of the population who 'like' FIRST facebooks is nearly maxed out at this point.

There are over 3000 likes on the Robotics Memes page, I'm sure that we can 2540 on 254's page before too long.

[orangemoore]

There were about 60 likes in 15 minutes
They are at 1638 so 902 to go
So in about 4 hours there should be 2540 likes

[CalTran]

1,655 at the time I'm writing this. That's a lot of likes still to come.

[Bochek]

https://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-prn1/31936_307137989416030_895765766_n.jpg

[orangemoore]

1706 likes
834 likes to go

[slickvic2252]

778 to go

[orangemoore]

702 to go

[dcarr]

702 to go

You know we can all see the number of likes right? :D

[Walter Deitzler]

So if I were to make 702 fake accounts...

[orangemoore]

You know we can all see the number of likes right? :D

Yes.
It is also a good way for the thread to keep getting looked at.
by the way 656 likes to go

[xraymypanda]

599 likes to go :D

[slickvic2252]

over 600 likes since the post! aren't you satisfied yet?

[OWilliamson]

So if I were to make 702 fake accounts...

You don't have to make 702 fake accounts, we just need 70 people to make 10 fake accounts :D

[Navid Shafa]

They have more than 1114, I think they should just cave :P

*The last 500 are going to be really hard.

[ttldomination]

Just keep sharing and it'll happen soon enough.

- Sunny G.

[orangemoore]

538 likes to go

[Mark Sheridan]

How about just 2254 like?

[roystur44]

I thought rocket power thrusters were illegal

[ttldomination]

I thought rocket power thrusters were illegal

I bet it's some sort of tension rigged system to allow them to go up after the buzzer. I heard whispers of this design our west, I suppose someone's ready to deliver.

- Sunny G.

[ctccromer]

Yall almost have as many members on your team as my entire grade in school... how do yall find room for so many people? to work and literally, room for them?

and of course, liked! Can't wait to see the video

[dcarr]

Yall almost have as many members on your team as my entire grade in school... how do yall find room for so many people? to work and literally, room for them?

and of course, liked! Can't wait to see the video

7 Vex teams...use of a NASA facility...you get the idea

[Michael Corsetto]

I bet it's some sort of tension rigged system to allow them to go up after the buzzer. I heard whispers of this design our west, I suppose someone's ready to deliver.

- Sunny G.

We think different out here ;)

[orangemoore]

398 likes to go

[Kusha]

Less than 400 likes left, come on guys! Like them on your account, and on your teams facebook page!

[orangemoore]

360 likes to go!

[Calvin Hartley]

Can't wait to see this video.

314 left to go. It's like Pi.

[orangemoore]

292 likes to go

[Calvin Hartley]

Or we could simply get them 2010 more followers on Twitter.

[Jeffy]

I liked it.
As the original climber appears to be a linear inside climber actuated w/ power take off and pneumatic power, I'm very excited to see what was done to minimize the effect of swinging when climbing.

[dodar]

Software.

Ahh, yes. More software = more weight = less swinging. Why didnt we think of that...:p

[orangemoore]

260 likes to go!

[davetherobotman]

249!

[orangemoore]

239 likes to go!

[coalhot]

I've heard tons about 1114's climber, but have yet to find a video. Anyone want to point me in the right direction?

Facebook album. (https://www.facebook.com/media/set/?set=a.10151311225746883.1073741825.503516882&type=1)

Don't know if there is any good quality video of it, but you can get the gist of the climber from the photos.

EDIT: found another really awesome album of pics on facebook, these from Waterloo:
More awesome pics. (https://www.facebook.com/media/set/?set=a.10151326928426883.1073741826.503516882&type=3)

[orangemoore]

Here

http://www.youtube.com/watch?v=4T-tPOdgPxw

[orangemoore]

188 likes to go

[Lil' Lavery]

WatchFIRSTNow has all of the matches from Canadian events this season. Cross reference with TheBlueAlliance to determine which matches 1114 was in.

http://watchfirstnow.com/archive.php
http://www.thebluealliance.com/team/1114

[orangemoore]

100 likes to go!

[nikeairmancurry]

95 to go... Only had 5 in the last 2 hours :(

[bearbot]

87 to go

[orangemoore]

60 to go

[MagiChau]

35 to go

[JB987]

35 to go before we get Rick Rolled? ;)

[orangemoore]

don't give them ideas
23 to go

[sergioCorral842]

They reached 2540!

[Gigakaiser]

2540 likes - just in time for frctop25....

[MagiChau]

And we have over 2540, now where's our video?

[sergioCorral842]

They posted that they will show it tomorrow due to them needing to put finishing touches

[Kusha]

Releasing tomorrow, I've been f5ing all night for nothing :(

[Travis Covington]

Releasing tomorrow, I've been f5ing all night for nothing :(

We didn't anticipate it would take only 27 hours to get so many likes! We're scrambling here now to finish the video. Some of us are still at work, too!

[NelsonMichael]

I wanna see a really fast climb using a pto with a climb like 118s. thatd be cool. or one like 1114, except just by driving.

[Kusha]

We didn't anticipate it would take only 27 hours to get so many likes! We're scrambling here now to finish the video. Some of us are still at work, too!

We'll be waiting attentively.

http://i.imgur.com/JqAg7.jpg

[Samwaldo]

PLEASE, PLEASE, PLEASE prove me wrong, but something doesnt make me believe that a climb can be shorter than 14 seconds (especially during a match! 1114 did this during a match. Who knows how they fast they could do it in their workshop, with no distractions and controlling it up close)

I hope im wrong, but i feel like this video that is being edited is one big joke, like we see during build season (pile of tools, mess of wires, a drawing, etc.)

[stundt1]

PLEASE, PLEASE, PLEASE prove me wrong, but something doesnt make me believe that a climb can be shorter than 14 seconds (especially during a match!
1114 is down to ten seconds: http://watchfirstnow.com/archive3.php?id=62515533

[Bochek]

this was just posted, then deleted
http://www.youtube.com/watch?v=SZX4xvra8TM

[coalhot]

That's...just...wow...

[Gregor]

1114 is down to ten seconds: http://watchfirstnow.com/archive3.php?id=62515533

Poofs do it in 8.

http://www.youtube.com/watch?v=SZX4xvra8TM

[Yipyapper]

Poofs do it in 8.

http://www.youtube.com/watch?v=SZX4xvra8TM

...Me and the rest of the people in the room at Buckeye are left speechless. This is absolutely stunning.

[gobrewcrew95]

Is it all autonomous? Because I can't tell if there is a gryo being used to know precisely when it can become extend fully... It kinda looks like there is...

[Cory]

This is not the video we intended to post. Someone decided to post a low quality video from nearly two weeks ago without the approval of the rest of the team.

Currently we are in the middle of producing a high quality video of the robot hanging (substantially faster than this video, I might add) consistent with our standards of releasing professional content. We will post this video shortly.

[alex.lew]

Currently we are in the middle of producing a high quality video of the robot hanging (substantially faster than this video, I might add) consistent with our standards of releasing professional content. We will post this video shortly.

It gets faster? This is true overkill

[EricDrost]

This is not the video we intended to post. Someone decided to post a low quality video from nearly two weeks ago without the approval of the rest of the team.

Currently we are in the middle of producing a high quality video of the robot hanging (substantially faster than this video, I might add) consistent with our standards of releasing professional content. We will post this video shortly.

You might want to remove that other video, the deleted description sends the wrong message.

Edit: The description is gone now, I saw the cached version.

[Yipyapper]

This is not the video we intended to post. Someone decided to post a low quality video from nearly two weeks ago without the approval of the rest of the team.

Currently we are in the middle of producing a high quality video of the robot hanging (substantially faster than this video, I might add) consistent with our standards of releasing professional content. We will post this video shortly.

My jaw just dropped when I saw this post.

[NickE]

You might want to remove that other video, the description before it was deleted sends the wrong message.The video was stolen and posted under a Youtube account the team does not have control over.

[dcarr]

You might want to remove that other video, the description before it was deleted sends the wrong message.

Certainly...when I first saw that caption floating around on facebook, I was confused...

[Steven Donow]

Certainly...when I first saw that caption floating around on facebook, I was confused...

When I click the link in that on Facebook it takes me to the video with no description and different title...I think the only way for that description to "go away" is deleting Facebook posts...

But if it's posted by someone not on the team, then it's irrelevant as long as that message gets out.

[xSAWxBLADEx]

The video was stolen either by a team member acting on his or her own accord or by someone else with access to the team's technical blog and posted under a Youtube account the team does not have control over.

***IF THE OP IS READING THIS***
Please delete that video. It was not in the spirit of FIRST.

[ablatner]

7 Vex teams...use of a NASA facility...you get the idea

Their NASA facility isn't even that big! 1/3 of the floor space is their 80% size field, and on top of that, 1868 Space Cookies and their 50 members share the facility.

[1683cadder]

Jaw drop. That's insane.

[Ryan Dognaux]

I can't wait to see the actual video, because the "low quality leaked video" is faster and better than anything I have seen so far this season. Total and absolute inspiration from this robot.

[Kellen Hill]

I'm curious to see how good the drivers are at lining up. Our climber was roughly the same width and we ran into the corner gussets on the third level a number of times limiting us to 20 point climbs.

I'm sure they'll be well practiced, but it's a hard gap to hit from across the field, especially when you aren't climbing on the side closest to your drivers.

Looking forward to seeing it in action.

[Rangel(kf7fdb)]

I'm curious to see how good the drivers are at lining up. Our climber was roughly the same width and we ran into the corner gussets on the third level a number of times limiting us to 20 point climbs.

I'm sure they'll be well practiced, but it's a hard gap to hit from across the field, especially when you aren't climbing on the side closest to your drivers.

Looking forward to seeing it in action.

Its actually not as hard as it looks to line up. We have to have just about the same amount of accuracy as the poofs when lining up to climb. What helps though is that their is a line of black tape in the center of the field. Simply line your robot with the center of the line and you will be good at the top.

[Cory]

We have finished our official video and will post it at 2:54 PM PDT today. We think you'll find it to be well worth the wait!

[JB987]

Where did you reduce weight to add your climber? Looks great btw, (even if unprofessional video version as you say).

[Cory]

Where did you reduce weight to add your climber? Looks great btw, (even if unprofessional video version as you say).

We rebuilt our shooter to use 550's instead of mini CIM's and pocketed our 10 point hanger.

[Lil' Lavery]

We rebuilt our shooter to use 550's instead of mini CIM's and pocketed our 10 point hanger.

Has that impacted your shooting at all? How have the 550s held up in testing so far?

[Tom Bottiglieri]

Has that impacted your shooting at all? How have the 550s held up in testing so far?
The 550s have been fine, no motor related issues yet. We made a few other changes and were able to up our velocity quite a bit.

[Brandon Holley]

The 550s have been fine, no motor related issues yet. We made a few other changes and were able to up our velocity quite a bit.

Our shooter also runs on 550s and we've also had absolutely 0 issues with them. We made the switch from mini CIMs for weight and sizing purposes and love the decision thus far.

-Brando

[billbo911]

We rebuilt our shooter to use 550's instead of mini CIM's and pocketed our 10 point hanger.

The 550s have been fine, no motor related issues yet. We made a few other changes and were able to up our velocity quite a bit.

Our shooter also runs on 550s and we've also had absolutely 0 issues with them. We made the switch from mini CIMs for weight and sizing purposes and love the decision thus far.

-Brando


With the output RPM of the Mini CIMs and 550s motors being quite different, how are you handling the differences? Transmissions, sprockets, gears etc.

If I recall from the pictures, Overkill uses belts from the motors to the wheels. Is that correct?

[AdamHeard]

Our shooter also runs on 550s and we've also had absolutely 0 issues with them. We made the switch from mini CIMs for weight and sizing purposes and love the decision thus far.

-Brando

Agreed. We ran two miniCims at regional 1, and 2 550's at regional 2.

[EricDrost]

Has that impacted your shooting at all? How have the 550s held up in testing so far?

11 has also switched from Mini CIM to 550s between Palmetto and Mt. Olive. Our operator loves the swap.

[Brandon Holley]

With the output RPM of the Mini CIMs and 550s motors being quite different, how are you handling the differences? Transmissions, sprockets, gears etc.

If I recall from the pictures, Overkill uses belts from the motors to the wheels. Is that correct?


We rolled the dice and tried using MXL (really small) timing belts. The reason was because we could buy a pulley that comes stock with a hole small enough to fit directly onto a 550 shaft. I believe we are running a 12 tooth as the pinion on both of our shooter wheels, and then slightly different size pulleys to give us ~4000RPM and ~7000RPM output on 4 7/8" BB wheels.

We love the setup because of how simple it is. Small pulley on 550, slightly bigger pulley on shooter wheel shaft, timing belt between them, done. It also allowed for us to change wheel speeds down the road if we wanted to tweak something. Just a pulley/belt, or pulley/pulley swap to adjust speed up or down on either wheel.

-Brando

[AdamHeard]

We rolled the dice and tried using MXL (really small) timing belts. The reason was because we could buy a pulley that comes stock with a hole small enough to fit directly onto a 550 shaft. I believe we are running a 12 tooth as the pinion on both of our shooter wheels, and then slightly different size pulleys to give us ~4000RPM and ~7000RPM output on 4 7/8" BB wheels.

We love the setup because of how simple it is. Small pulley on 550, slightly bigger pulley on shooter wheel shaft, timing belt between them, done. It also allowed for us to change wheel speeds down the road if we wanted to tweak something. Just a pulley/belt, or pulley/pulley swap to adjust speed up or down on either wheel.

-Brando

In the future, ditch those silly belts and go to the promise land of 2mm gt2. It's more or less the same pitch (.079 versus .08"), but is far stronger (as you already know). SDP has a HUGE selection of plastic pulleys that we love for it.

This year's shooter and the last used 2mm. Love it.

[Cory]

With the output RPM of the Mini CIMs and 550s motors being quite different, how are you handling the differences? Transmissions, sprockets, gears etc.

If I recall from the pictures, Overkill uses belts from the motors to the wheels. Is that correct?

Belts. We were already gearing the mini CIM up quite a bit so it's not much of a change.

[eipi10]

Wait... how our you guys still working on your robot if you're attending more events this year? Either I'm missing something... or...

[dodar]

Wait... how our you guys still working on your robot if you're attending more events this year? Either I'm missing something... or...

Practice bot.

[eipi10]

Practice bot.

Ah. That makes more sense.

[NelsonMichael]

dun dun dun....

[Mark Sheridan]

Can't wait for the video and its less than an hour away from release.

[Walter Deitzler]

4 minutes...

[DanielCH]

https://www.youtube.com/watch?v=I-IrVbsl_K8

[Lil' Lavery]

http://www.team254.com/overkillteaser/

[Amo10]

posted http://www.team254.com/overkillteaser/

[ENeyman]

Wow...

[dcarr]

All I can say is...wow.

I knew someone was going to make a climb video to "Started from the Bottom" :P

[BigJ]

Good use of music :p

[Thad House]

Wow... Just Wow.

[Fisher2486]

wow.... how many air tanks for those pistons?

[Joe G.]

It's motor driven. 6 CIM power.

[Andrew Bates]

We rolled the dice and tried using MXL (really small) timing belts. The reason was because we could buy a pulley that comes stock with a hole small enough to fit directly onto a 550 shaft. I believe we are running a 12 tooth as the pinion on both of our shooter wheels, and then slightly different size pulleys to give us ~4000RPM and ~7000RPM output on 4 7/8" BB wheels.

We love the setup because of how simple it is. Small pulley on 550, slightly bigger pulley on shooter wheel shaft, timing belt between them, done. It also allowed for us to change wheel speeds down the road if we wanted to tweak something. Just a pulley/belt, or pulley/pulley swap to adjust speed up or down on either wheel.

-Brando

First wheel is 10:42 and second wheel is 12:36.

The other nice thing is the pulleys are small enough that they fit through the locating hole for the motor. Motor's can be replaced without removing the pulley.

[dcarr]

I'm wondering about the rocking after 5 seconds...if it's occupying space in zone two, wouldn't that knock it down to a 20 point climb?

Edit: Poofs responded on Facebook, saying Even when it rocks, it's in level 3. It's just very hard to tell due to the angle of the camera.

[bearbot]

OMG crazy fast

[CalTran]

I'm wondering about the rocking after 5 seconds...if it's occupying space in level two, wouldn't that knock it down to a 20 point climb?

I believe the score is taken at 5 seconds after the match, or when objects come to rest, whichever comes first. So hopefully they stop rocking relatively fast.

As for the video...blinked and had to watch it again :rolleyes:

[Eugene Fang]

I'm wondering about the rocking after 5 seconds...if it's occupying space in zone two, wouldn't that knock it down to a 20 point climb?

Even if it is, the "5 seconds" gives the benefit of the doubt to the team. Even if it was slightly in zone 2 at 5.0 seconds, it probably wasn't at 4.9 or 5.1 seconds.

Amazing work, Poofs. You guys never cease to inspire.

[Keefe2471]

I agree with the above post, that rocking is going to be a slight issue if you can't stabilize it, quickly. Very Impressive climb, I like how it looks pretty easy to align for. Nice Work.

[dcarr]

Even if it is, the "5 seconds" gives the benefit of the doubt to the team. Even if it was slightly in zone 2 at 5.0 seconds, it probably wasn't at 4.9 or 5.1 seconds.

Amazing work, Poofs. You guys never cease to inspire.

Good point. I've really only seen the 5-second issue come to play when the robot was rocking on level one and repeatedly hitting the ground - typically that invalidates the climb.

Plus, see the edit to my previous post - they say it's not even an issue.

[Brandon Holley]

The amazing combination of mechanical design and software implementation on this climber are jaw dropping. It simplifies down to "wow that is a fast climber" but there is so much going on to make that happen its awe inspiring.

Well done Poofs, you continue to amaze.

-Brando

[Jared Russell]

Awe inspiring work as always.

I am most interested in learning about how the climb is software aided. Specifically I am wondering about how you ensure you line up correctly with the 30" bar to ensure you don't "run out of real estate" by 90", and what sensors/control techniques are used to activate the arm retraction at the correct instant. I am guessing a gyro in the pitch axis, along with vision aiding for horizontal alignment.

Also, does the software ensure the arm doesn't extend during the portion of the swing that would angle the arm outside of the pyramid?

[Steven Donow]

Going through the thread, it looks like my reaction was no different than anybody else's.

A simple:
"Wow"

[Samwaldo]

Do it in less time than Team 1114 DURING competition. Then you will truly beat them for fastest climb.

Other than that, im very impressed. Is this automated or human done? if automated do you trust that?

[MagiChau]

Do it in less time than Team 1114 DURING competition. Then you will truly beat them for fastest climb.

Other than that, im very impressed. Is this automated or human done? if automated do you trust that?

It has to be autonomous. I would not trust a human with the precision needed for their climber. You will see if they trust it at SVR ;)

[Kellen Hill]

Going back to my earlier post, are you using anything to aid in centering the robot or just eyeballing it? Looks like you don't leave yourselves much room for error with how tight of a fit your hooks are between the top gussets.

Nonetheless, an incredible mechanism.

[Walter Deitzler]

Do it in less time than Team 1114 DURING competition. Then you will truly beat them for fastest climb.

Other than that, im very impressed. Is this automated or human done? if automated do you trust that?

Climbing that fast, I would not trust a human doing that, because the reaction time needed on those swings would be INSANE. I am betting software controls this, so 6.4 seconds would happen every time.

[Mark Sheridan]

wow nicely done.

[Tom Bottiglieri]

Awe inspiring work as always.

I am most interested in learning about how the climb is software aided. Specifically I am wondering about how you ensure you line up correctly with the 30" bar to ensure you don't "run out of real estate" by 90", and what sensors/control techniques are used to activate the arm retraction at the correct instant. I am guessing a gyro in the pitch axis, along with vision aiding for horizontal alignment.

Also, does the software ensure the arm doesn't extend during the portion of the swing that would angle the arm outside of the pyramid?
Yup, a pitch gyro is the main sensor. We use it to see when we lift off the ground as well as where we are in the swing. We use the position and rate to predict where the arms will end up and either send them to the top or to a safe position right below the bar. The arms themselves are just controlled with an encoder as feedback.

[Akash Rastogi]

It's okay I guess.















:ahh::yikes::D

[MrForbes]

Yep, that's how to climb.

Well done

[SM987]

I'd say I was surprised if this level of excellence wasn't the norm for you guys. Can't wait to see it in action in St. Louis. Best of luck at SVR, though it doesn't seem like you'll need it. Too bad it's the same weekend as Vegas.

[gobrewcrew95]

First off, very impressive. It was just WOW.:yikes:

Second, it seems as if you tend to get a massive amount of swing once you reach the top. I suggest you try to implement a mechanism that can swing over the front bumpers or from the bottom of your robot to stop/catch yourself on the 2nd rung during your back swing once you're hanging from the 3rd rung. It would just have to be sturdy enough to withstand the force of the robot swinging as well as being fast and easy to deploy/retract. That would help keep you from violating the "5 seconds after the match" rule. Just an idea that popped into my head.:D

[Kusha]

http://i.imgur.com/M0nXGTN.png

This is the teams reaction. This describes my feelings 100%.
Wow.

[s_forbes]

Neat! Was catching the third bar before swinging something that was planned, or a fortunate coincidence? Seems like the extending hooks just barely make it up in time to catch it. I'll definitely be taking a closer look in St. Louis, I want to see all the clever mechanisms hidden inside! (nice big pictures of your magic gearboxes would work too. :) )

[Derek Bessette]

That's "Hella Fast"!

[Mark Sheridan]

Just realized that their robot is a good mascot for their school because 254's high school is Bellermine and their mascot is a bell. They should totally add a bell to that robot so it rings from the swinging after they finish the 30 point climb.

[MooreteP]

Is it just me, or is this one of the most annoying posts ever?

[AdamHeard]

Is it just me, or is this one of the most annoying posts ever?

Please clarify.

[Mk.32]

Please clarify.

I think he meant it as that 254 just demonstrated the most awesome solution to a problem that no one else has came up with...

[MooreteP]

Please clarify.

What I meant was this obsession with likes and followers and bears, oh my!

A video is posted, then taken down, is hard to find, and praised, then questioned. Then....
***IF THE OP IS READING THIS***
Please delete that video. It was not in the spirit of FIRST.

I'll admit, it is a beautiful thing and I can't wait to see it in a match.

But this chumming of the waters for the hoi polloi just annoyed me.

[ablatner]

How are you converting the rotary motion from the PTO to the linear motion of the arms? I heard something a while back about belts and pulleys in the lower tubing.

[Cory]

It's just two 233 arms with belts instead of chain.

[Steven Donow]

It's just two 233 arms with belts instead of chain.

For those of us less informed, what exactly is a "233 arm" specifically referncing?

[Cory]

For those of us less informed, what exactly is a "233 arm" specifically referncing?

Any of their numerous iterations of a telescoping arm such as this (http://www.chiefdelphi.com/media/photos/27299)

[Boe]

do you have a picture of the drive gear box you'd be willing to post I'm sure me and many other people would love to see it

[Zebra_Fact_Man]

I've watched this video 3 times in the last 5 minutes and I'm still in disbelief that it's actually happening on the screen in front of me.

This is nuts.

What is this I don't even...

[NelsonMichael]

Done so much researching about elevator lifts. Forgot to look into Telescopic arms.... how does all that fit in there and how does it work?

Edit:

I understand how a "single stage" telescopic arm works, but what about a multi-stage.

[ablatner]

It's just two 233 arms with belts instead of chain.

I've never seen their arms in detail. Is the belt/chain fixed to the arms in someway, or is there a spool with a connection at the top like your 2011 elevator?

[s_forbes]

It's just two 233 arms with belts instead of chain.

Are they mechanically connected, or are they independent of each other?

[NagyH]

Are they mechanically connected, or are they independent of each other?

Yes. They are mechanically connected. There is a shaft that runs across the width of the robot from one drive gearbox to the other. This ensures that both arms go up at the same speed.

[nicholsjj]

I am so amazed :ahh: . Seeing Shockwave in all it's glory like that just sitting there ready to fire off shirts is amazing. To bad some overkill robot climbing a pyrmaid is blocking the view. ;) This is inspiration at its best tell a great robotics team that someting is impossible and watch how fast it become mythbusted. :D

The only worry I have about this climb is that it looks like you guys touch 3 levels around the 5.8 sec mark. It's probably something that can be fixed pretty quick if it's a problem at all.

[cziggy343]

Since we are making sure this is autonomous, does it continue to climb after the buzzer?

[Mk.32]

Since we are making sure this is autonomous, does it continue to climb after the buzzer?

No, because when the buzzer goes the robot is disabled and the motors cannot move any more. You can climb after the buzzer with pneumatic because if you get the solenoid switched the rams will move.

[MichaelBick]

No, because when the buzzer goes the robot is disabled and the motors cannot move any more. You can climb after the buzzer with pneumatic because if you get the solenoid switched the rams will move.

There are actually multiple ways to get things to move after the buzzer. Pneumatics is one(single solenoids or programming). The other way is with gas shocks. I've heard of teams using all types of releases for those. If you use a mechanical release you don't even need to release the gas shocks before the game ends.

[Navid Shafa]

If I recall correctly, they are using constant force springs and perhaps that may aid the climbing after the buzzer with the already present "vertical momentum". I would assume that this would only work though if they already have the hooks over stage three. At this point, all the constant force springs would need to do is essentially pull the lifting stage back into it's original housing.

[Cory]

This does NOT climb after the buzzer. It is purely motor driven. There is no stored energy whatsoever (besides the 10 pt hanger).

[TheMadCADer]

If I recall correctly, they are using constant force springs and perhaps that may aid the climbing after the buzzer with the already present "vertical momentum". I would assume that this would only work though if they already have the hooks over stage three. At this point, all the constant force springs would need to do is essentially pull the lifting stage back into it's original housing.

Where have you heard this? I haven't been able to gather anything other than the fact that it's driven by their PTO. I know 1114 does use CF springs, though they use them to extend their arm, and then motors pull it back in.

I wouldn't be surprised if they've counterbalanced some or all of the robot weight, though. It looks like they move upward faster than they drive, and going upward takes considerably more force than moving sideways. This could just be their drive being geared down more, of course. If you look at the amount of power you can get out of 6 CIMs, it's not out of the question for ~150 pounds to move that fast.

EDIT: 254 posted as I wrote this. No stored energy. 6 CIMs are strong.

[Navid Shafa]

This does NOT climb after the buzzer. It is purely motor driven. There is no stored energy whatsoever (besides the 10 pt hanger).

I see, so the constant force springs are no longer in use. Thanks for the clarification.

[Gray Adams]

Where have you heard this? I haven't been able to gather anything other than the fact that it's driven by their PTO. I know 1114 does use CF springs, though they use them to extend their arm, and then motors pull it back in.

I wouldn't be surprised if they've counterbalanced some or all of the robot weight, though. It looks like they move upward faster than they drive, and going upward takes considerably more force than moving sideways. This could just be their drive being geared down more, of course. If you look at the amount of power you can get out of 6 CIMs, it's not out of the question for ~150 pounds to move that fast.

EDIT: 254 posted as I wrote this. No stored energy. 6 CIMs are strong.

Theoretically 6 CIMS can move ~150lbs up 90 inches in less than a second.

[TheMadCADer]

The only worry I have about this climb is that it looks like you guys touch 3 levels around the 5.8 sec mark. It's probably something that can be fixed pretty quick if it's a problem at all.

I'm not seeing what you're seeing, I guess. I was able to get the video stopped at a bunch of spots around 5.8 seconds, which should be close enough to see what you're talking about.

At this point they are pulling up to the third level, and only touching the third zone (hooks around the horizontal bar). They might brush the second level on the way by with their frame/bumpers, but they aren't even close to touching the first level. With their swinging motion dialed in like it is, I doubt they even touch the second level on the way by.

[Cory]

I see, so the constant force springs are no longer in use. Thanks for the clarification.

There were never constant force springs. You may be thinking of our 2008 elevator, which used a constant force spring to neutralize the weight of the carriage.

[nicholsjj]

I'm not seeing what you're seeing, I guess. I was able to get the video stopped at a bunch of spots around 5.8 seconds, which should be close enough to see what you're talking about.

At this point they are pulling up to the third level, and only touching the third zone (hooks around the horizontal bar). They might brush the second level on the way by with their frame/bumpers, but they aren't even close to touching the first level. With their swinging motion dialed in like it is, I doubt they even touch the second level on the way by.

Sorry this was a mistype it actually happens around the 4.8 second mark when it looks like they bounce off the first bar. again it could just be a ghost that im seeing and im sure that team 254 has put in the time and effort to make sure it doesn't happen. https://www.youtube.com/watch?v=I-IrVbsl_K8&feature=player_embedded#t=16s This is where i think it happens but the climb is so fast that its hard to capture the exact time of it.

[Travis Covington]

Sorry this was a mistype it actually happens around the 4.8 second mark when it looks like they bounce off the first bar. again it could just be a ghost that im seeing and im sure that team 254 has put in the time and effort to make sure it doesn't happen. https://www.youtube.com/watch?v=I-IrVbsl_K8&feature=player_embedded#t=16s This is where i think it happens but the climb is so fast that its hard to capture the exact time of it.

You are likely seeing the intake hit the level 2 bar or are seeing the robot stop swinging as the telescoping arms hit the level 3 bar. When the level 1 pneumatic hooks are retracted, the the telescoping arms are not long enough to allow the bottom of the robot to touch the level 1 bar and the level 3 bar, even while swinging. The robot could theoretically swing 360 degrees around the level 2 bar and never touch the level 1 bar.

[tickspe15]

Was their climb as fast today in competition as it was on their practice feild with the other robot? Does anybody have a video?

[Gregor]

Was their climb as fast today in competition as it was on their practice feild with the other robot? Does anybody have a video?

From what I could tell from the webcast, they were doing the slow* climb, the one featured in the leaked video.

*slow is a relative word.

[ejSabathia]

From what I could tell from the webcast, they were doing the slow* climb, the one featured in the leaked video.

*slow is a relative word.

We've been running our hang manually and "semi-manually" without issue. Anyone who's climbed knows watching your robot scale the pyramid is an uneasy feeling. With that said we still may decide to remove the safety and go full auto sometime tomorrow.

[Abhishek R]

Yeah, definitely something I would save for a really necessary time like eliminations. A few seconds isn't worth the robot.