Ri3D 2019 - Robot Reveal
Вставка
- Опубліковано 8 січ 2019
- The official 2019 'Snow Problem Robot in 3 Days Reveal Video - showcasing our robot, Koios!
Additional Resources
'Snow Problem 2019 Final Materials Chief Delphi: www.chiefdelphi.com/t/paper-2...
'Snow Problem 2019 Chief Delphi Thread: www.chiefdelphi.com/t/ri3d-sn...
'Snow Problem 2019 White Papers: drive.google.com/open?id=1lRS...
Track: Elektronomia - Summersong 2018 [NCS Release]
Music provided by NoCopyrightSounds.
Watch: • Elektronomia - Summers...
Free Download / Stream: ncs.io/SummersongYO
None of this is possible without our generous sponsors:
AndyMark
University of Minnesota
Thank you for your support! - Розваги
Wow... Seeing the scale of the 3rd tier relative to the bot really makes it seem less daunting
I love that HAB mechanism, I'm shocked the robot could be supported by just those two cylinders holding it in place.
@CupofJoeME Maybe with more than 3 days you can come up with a solution to keep them inside the frame perimeter!
Clearly the guy who made was shocked too 😂
You guys did a really great job this year. That bot looks amazing!
Incredible robot! Well done on the climbing mechanism.
This is incredible!! Keep up the great work
Amazing! Good luck this year!
this is absolutely stunning!
Flipping Awesome!
Love the climber. Well done
The 2 EZ on the bottom is a nice touch.
Your robot is SOOOOOOO COOL
Way cool!
I love the HAB climber, but the actual HAB material will be much more slippery than plywood. I'd make sure it works anyways.
The climber grips onto two strips of black HDPE, which is the actual field material
Well then, great design!
Amazed by the Velcro idea. My team is using suction cups
Awesome bot! You guys are inspiring. What motors did you use for your cargo roller intake?
Two 775 pro motors with a 10:1 versa planetary gearbox each
@@ryanreich3676 thanks!
Awesome machine! Do you guys know what caused that bent wheel at the end?
The wheel itself isn't bent, it's just the tread slipping off. We had issues with keeping that wheel's tread in the track.
And then that climb evolved into the famous succ climb
FYI: It states in the rules that you can not grip onto any part of the field. That means that the level 3 climb is illegal.
Section G15
There is a specific exemption for the HAB and game elements.
@@nickschatz1879 ah, missed that. Thanks!
what the heck how did you do that in 3 days
Lots of preparation, experience, and dedication, not much sleep, and a little bit of luck 😀
Quick question what motors and gearing are u using to lift on the HAB?
The string wraps around 1/2" hex shaft driven by two 775 motors on 70:1 Versa planetary gearboxes (motor to 10:1 stage to 7:1 stage to output hex shaft)
Wow, that's impressive, half those student are mentors
I'd be curious to know how far that climbing arm extends, it looks a lot longer than 30in.
It's about 27.5". In the chief delphi thread there is a link to the cad model so you can see for yourself
is that velcro on the side of the level 3 platform? I dont think that is on the field.
It is a sheet of hdpe
I love the system you use when you climb. I was wondering if it is a legal system though. According to 5.3 section 2
2. the ROBOT is only supported by:
o surfaces of the HAB at or above that Level,
o ALLIANCE WALL, and/or
o another ROBOT which has climbed to that HAB Level or higher
Would this be considered "surfaces of the HAB at or above the Level." just seeing if there was and insight on this.
SpicyCactus couldn’t you just detach from the sides by de-pressurizing the pistons and only using the frame of the arm
@@seancurtis3912 Yes, that would be legal thanks I didn't think of that!
@@rangarutisersundar8843 he's very dizzy. thank you for considering how Koios feels.
Is it actually capable of not contacting the sides of the HAB? it looks like there are spring loaded rollers that would always be in contact even when not actuated.
@@andymundell130 I'm not sure what you're seeing. There are some springs near the sides of the HAB, and the most recent team update clarified that support is the operant part, not contact.
Either way, it should be easy enough for anyone that wants to build a competition version of this mechanism to get past the minor details like that.
I thought the rulebook mentions that for the hab to count your bumpers have to be fully within the hab
There are two qualifications for counting a HAB score:
- The robot is supported only by the top surface of the HAB (achieved by releasing the grab mechanism)
- the bumpers are above the level of the HAB.
QA7 may interest you: frc-qa.firstinspires.org/qa/7
Is it going to score on the hab? Aren't you overhanging to much?
frc-qa.firstinspires.org/qa/7 may interest you.
Does that mechanism at any point go father than 30 inches outside the frame? Of so according to rules update 3, it would then be illegal. It doesn't look like it but I just want to make sure.
Nope, it was a few inches short of 30.
@@karlolson3029 ok nice! I love the mechanism so I wanted to check.
Noice
What the gear ratio on the motors for the spinner
Do you guys have any CAD models for the public?
Yes! See the Chief Delphi thread linked in the description for a link to our cad.
GG but can it do the level 2 hub if needed?
No, unfortunately no level 2 climb with this robot. Our main objective was to prove the feasibility of a level 3 climb mechanism during our 3 days. I'm sure with 6 weeks you can come up with something that would allow you to do both!
Serious question, what's the purpose of this robot? Is it for a competition?
This is a robot designed to play the 2019 FIRST Robotics Competition game. We're a team of college students that doesn't compete, but builds a robot to provide resources for the teams of high school students that do.
Can I have the cad files?
Look in the Chief Delphi thread, it has them
Can you put balls into 3rd level of the rocket?
Nope, we can only put cargo into the cargo ship and the first level of the rocket. The ball system could be modified without too much effort to do level 2 of the rocket, and make it a full fledged wheeled shooter to do level 3.
Are those talons connected straight to the pwm?
They are Victor SP motor controllers which we used over PWM, yes.
For getting on the had i dont think it would work since dosent your robot have to be like sitting up
The only rules about getting HAB points are:
A) The bumpers must be fully above the plane of that HAB level.
B) The robot must be fully supported by that HAB level surface or higher.
There's no rule that says you can't do a backflip onto the HAB!
how 's that have anything to do with snow tho? its an awesome robote but it doesn,t look like it would operate well on snow
We are an Ri3D team, which builds a FIRST Robotics Competition robot in 3 days rather than the 6 weeks high schoolers have. We are from Minnesota, hence the 'Snow Problem name.
@@karlolson3029 oh, got it
How does it pick up cargo from the floor?
It doesn't. We decided to forgo a floor pickup mechanism in favor of focusing on simpler mechanisms and putting some time into the HAB mechanism.
Will you guys actually compete? Cause u seem like older than high school students
Edit: no offense, lol, but your robot seems amazing and you built it in just a week
No, we will not actually compete :) We are all college students at the University of Minnesota. Ri3D teams are generally made up of those too old to do FIRST who want to keep the dream alive and want to do something to contribute to the community
What is the name in reference to?
All of Snow Problem's robots are named after Greek titans. Koios is associated with the separation between earth and sky in the north.
@@karlolson3029 Thanks! That's fitting considering they break that separation with that epic climb!
How much does your robot weight?
Roughly 110 lbs
@@ryanreich3676 Is this with the battery or without?
Does you robot release the platform at the end of climb or else it isnt level 3 climb as per frc-qa.firstinspires.org/qa/50
Yes, the cylinders release at the end of the climb such that the robot is not supported by the sides of the platform. If we had enough cylinders in stock during the build, we would have designed a mechanism that made the release more clear (more travel on the clamp). I would recommend this so that referees are not questioning whether the robot is still being supported by the sides of the platform.
Stingbots
#FirstRobotics in 6 weeks is better!
But will it work in match? Probably not as expected
You can find out at the week zero competition we will be streaming tomorrow!
Probably wont watch it
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Cool?
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