610 Presents: Stingray

[GBilletdeaux930]

Originally Posted by jamierose

As for your first question, we found that our current style of intake is incredibly effective. It might not be that clear from the video, but if the ball even barely touches our intake rollers from almost any direction, it's in the robot. It may look different from the BoomDone design, but I can pretty much guarantee that it is just as effective, if not more so.

Why the wrists? I am not seeing any benefit to being able to be either straight or angled. Judging from other robots, both work just as effectively. Could you just not decide?

[jamierose]

Originally Posted by GBilletdeaux930

Why the wrists? I am not seeing any benefit to being able to be either straight or angled. Judging from other robots, both work just as effectively. Could you just not decide?

The angled configuration is used for picking up the ball and carrying it around without letting it fall out of the robot. The straight configuration is mostly used when shooting so the intake doesn't interfere with the ball or the catapult, but we also use it when catching.

[s_forbes]

I really dig the fingers, clever intake mechanism!

[jamierose]

Originally Posted by s_forbes

I really dig the fingers, clever intake mechanism!

We actually call them the "eyebrows". What we call the "fingers" are small attachments at the top of the shooter that allow us to modify the angle and length of the shooter without modifying the entire shooter itself.

It's easiest to see them in the black and white shot at 2:02/2:03 on the right side of the shooter. They're the transparent bits that stick out the end.

[Duncan Macdonald]

Originally Posted by GBilletdeaux930

Why the wrists? I am not seeing any benefit to being able to be either straight or angled. Judging from other robots, both work just as effectively. Could you just not decide?

It was a conscious decision. The benefits include pinching action to hold ball securely and the ability to shoot between between the intake arms without exposing them outside the bumper. I'm sure a detailed closeup of the intake arms will be coming soon, hopefully with the different design revisions. They are designed to be hit or sideswiped and pop back into shape as well as acquire the ball quickly.

[Nathan Streeter]

Great looking robot and video! Looks like it has had time for tuning and practicing... which I'm sure will be as big a difference-maker as ever! Best of luck this season!

We enjoyed the chance you guys got to come down to GSR for its final year... it is a shame that the district model currently closes off borders!

[MichaelBick]

I know you guys like to gear your drive conservatively(especially compared to many west coast teams). What did you settle on this year?

[Matthew Lang]

Originally Posted by MichaelBick

I know you guys like to gear your drive conservatively(especially compared to many west coast teams). What did you settle on this year?

We're running 5:1 in the gearbox and ~2:1 in the drive rails (24t driving 50t) for an overall of 10.4:1. On 5" wheels this ratio works out to be very similar to last year's 8:1 on 4" wheels.

[Gregor]

Originally Posted by Matthew Lang

We're running 5:1 in the gearbox and ~2:1 in the drive rails (24t driving 50t) for an overall of 10.4:1. On 5" wheels this ratio works out to be very similar to last year's 8:1 on 4" wheels.

Did you have any methods in place to reduce the risk of tripping the main breaker, such as turning off 2 CIMs, or having the driver back off during pushing, or were you just geared low enough for it not to be an issue? This is a question for both your 2013 and 2014 robots.

Why did you decide on 4 CIM 2 MiniCIM this year as opposed to your 6 CIM last year?

[Matthew Lang]

Originally Posted by Gregor

Did you have any methods in place to reduce the risk of tripping the main breaker, such as turning off 2 CIMs, or having the driver back off during pushing, or were you just geared low enough for it not to be an issue?

As far as I know there was no code action in place to reduce the risk of tripping the main breaker. I can also guarantee the driver never backed off pushing for fear of tripping the main breaker . I see queries regarding 6 CIMs and the main breaker all the time but I can honestly say I have never experienced current-related main breaker problems. I'm just guessing our conservative gearing has helped us avoid these issues. I can't speak fully for the 2013 driver but I'm guessing 2013 is a similar story.

Originally Posted by Gregor

Why did you decide on 4 CIM 2 MiniCIM this year as opposed to your 6 CIM last year?

This isn't a very good reason but here goes: We only had 4 CIMs that looked up to our standards in our little box o' CIMs so we figured we would just skip the ones with slightly damaged leads and use Mini CIMs instead because why take chances? On the product page it says they can be used interchangeably so we took that and ran with it. We ended up swapping the Mini CIMs with full-size CIMs on bag day night though so I can't comment on how well CIMs + MiniCIMs play together in competition. No gripes about it during practice at least.

[philso]

Originally Posted by Duncan Macdonald

They are designed to be hit or sideswiped and pop back into shape as well as acquire the ball quickly.

You team has a very, very thorough design process.

Now, I wish even more to have hiring and firing authority...

[Racer26]

One thing I noticed watching this video again that's one of those "why didn't I think of that?" moments? 610 has angled their camera, knowing that they only need to look quickly at one side of the driverstation to know which side is hot.