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-   -   Official Rebound Rumble Thread (http://www.chiefdelphi.com/forums/showthread.php?t=99341)

joek 07-01-2012 23:24
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by SuperNerd256 (Post 1098890)
No, but we joked around during the summer about a basketball game. We designed how it could work, what drives to use, entirely hypothetical stuff.

When we watched the video, we were as shocked as ever! We made some small adjustments to fit the game, and our design was done. Ended last 30 minutes of the meeting by starting the drivetrain, and ordering parts.

I swear I'm going to wake up any moment in bed, it being 5:00 AM, Sunday morning, and this was all a dream.

*For the record, we didn't just magically devise stuff for basketball-like games over the summer. We did a variety of sports, from tennis to baseball, and even water polo (You never know!). It just so happened that during that time we agreed a basketball-like game would play like Aim High, and built off of that.*
lol, wish we were around for aim high... we started in rack'n'roll

sharontron 07-01-2012 23:24
Re: Official Rebound Rumble Thread
 
I would love to get some feedback about my idea for a robot design. Haven't pitched it to my team yet, but I figure I can try the waters on this forum.

In a word: pyramid. With pneumatic suction capacity. The drive train would be a pair of military tracks to develop proper traction for the platforms. Balls would be sucked up via a vacuum that extends from the bottom of the pyramid into the tip of the pyramid's eye.

An arm would extend from the top of the pyramid, grab the ball, and begin dribbling it to increase the potential angle of impact.

A bit complex, but I feel that the dribbling component artfully captures the spirit of basketball. Woodie Flowers talked about Eat Pray Love, the book, in his speech, and in the book, they artfully capture one woman's soul-searching endeavors. This can capture the soul of basketball!!

Would love some suggestions. Thanks!

Andrew Lawrence 07-01-2012 23:30
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by sharontron (Post 1098901)
I would love to get some feedback about my idea for a robot design. Haven't pitched it to my team yet, but I figure I can try the waters on this forum.

In a word: pyramid. With pneumatic suction capacity. The drive train would be a pair of military tracks to develop proper traction for the platforms. Balls would be sucked up via a vacuum that extends from the bottom of the pyramid into the tip of the pyramid's eye.

An arm would extend from the top of the pyramid, grab the ball, and begin dribbling it to increase the potential angle of impact.

A bit complex, but I feel that the dribbling component artfully captures the spirit of basketball. Woodie Flowers talked about Eat Pray Love, the book, in his speech, and in the book, they artfully capture one woman's soul-searching endeavors. This can capture the soul of basketball!!

Would love some suggestions. Thanks!
I'm going to try to say this in the nicest way possible, and I don't mean to be rude in any way: Are you trolling us? Dribbling will be the worst not to mention most impossible (improbable) thing to do in this game. If you are not trolling, I apologize, however that is a very bad way of playing the game. This is FIRST, and I am trying to help you, and this is the honest truth. A simple robot with wheels (tank treads are fine), a normal sized base, and an attachment or so will be a lot better than your description of the robot.

I hope this helps, and remember, I'm only trying to help you succeed. I wish the best of you and your team, and good luck! :D

Also, since I see this is your first post, you must be new here. So here's the standard welcome from Andrew:

WELCOME TO CHIEF DELPHI!!! :D

sharontron 07-01-2012 23:39
Re: Official Rebound Rumble Thread
 
Thank you, Andrew, for your reply. My idea was actually serious, but thanks for your input. I'm not too familiar with the mechanics of robot building; I generally deal with PR stuff, and thought I'd give some creative (and far-fetched! :) ) brainstorming a try.

Perhaps in another 10 or so years we can start building pyramid robots, for now I suppose a standard square frame might do the job best!

Andrew Lawrence 07-01-2012 23:47
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by sharontron (Post 1098934)
Thank you, Andrew, for your reply. My idea was actually serious, but thanks for your input. I'm not too familiar with the mechanics of robot building; I generally deal with PR stuff, and thought I'd give some creative (and far-fetched! :) ) brainstorming a try.

Perhaps in another 10 or so years we can start building pyramid robots, for now I suppose a standard square frame might do the job best!
I do PR, too, and know the difficult transition of going from PR to mechanical. You have to start thinking about what's practical. To tell you the truth, I loved your idea. It was one of the best things I've heard all day! The only thing is, HOW are you going to do it? How will you make the vacuum get the balls to exactly where you want, then have a hand find the balls, grasp them, and then score? One thing I still forget to do is remember to think of HOW I'd do things.

But the main part is that you tried, and used your mind to engineer something. As I tell my team members, "there is no such thing as a stupid idea, just stupid implementation".

Anywho, good luck this year, thanks for asking the question, and keep using your head! I love to see when people use their heads, even if what comes out isn't the best. :p

Christopher149 07-01-2012 23:57
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by SuperNerd256 (Post 1098890)
No, but we joked around during the summer about a basketball game. We designed how it could work, what drives to use, entirely hypothetical stuff.

When we watched the video, we were as shocked as ever! We made some small adjustments to fit the game, and our design was done. Ended last 30 minutes of the meeting by starting the drivetrain, and ordering parts.

I swear I'm going to wake up any moment in bed, it being 5:00 AM, Sunday morning, and this was all a dream.

*For the record, we didn't just magically devise stuff for basketball-like games over the summer. We did a variety of sports, from tennis to baseball, and even water polo (You never know!). It just so happened that during that time we agreed a basketball-like game would play like Aim High, and built off of that.*
I hope it was sufficiently vague, because:

Quote:
Originally Posted by R18
Robot elements designed or created before the Kickoff presentation, including software, are not permitted.

Andrew Lawrence 08-01-2012 00:00
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by Christopher149 (Post 1098976)
I hope it was sufficiently vague, because:
Essentially, what we designed was: Kitbot on steroids (changed to pneumatic wheels after the video), some sort of hopper to collect the balls, and a turreted shooter. Not very detailed, but once we saw the game, we finished off the details and now have everything set!

Don't worry, it's legal. We spent 4 hours today checking the rules, and we wouldn't dream of breaking them.

Garten Haeska 08-01-2012 00:11
Re: Official Rebound Rumble Thread
 
Just though of this while playing Runescape. What if the two robots that we're going on the cooperation bridge left like with 20 seconds left in the game to make sure that it would get done. Would either one of those robot still shoot there basketballs while they are on the bridge, I mean I don't see any rules that this would violate. But correct me if I'm wrong.

gyroscopeRaptor 08-01-2012 00:20
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by Garten Haeska (Post 1099001)
Just though of this while playing Runescape. What if the two robots that we're going on the cooperation bridge left like with 20 seconds left in the game to make sure that it would get done. Would either one of those robot still shoot there basketballs while they are on the bridge, I mean I don't see any rules that this would violate. But correct me if I'm wrong.
Nothing in the rules is stopping you from making this shot, or even a fullcourt shot from the reload station. Physics, on the other hand, may disagree.

Andrew Lawrence 08-01-2012 00:22
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by gyroscopeRaptor (Post 1099025)
Nothing in the rules is stopping you from making this shot, or even a fullcourt shot from the reload station. Physics, on the other hand, may disagree.
Physics never disagrees, it just makes it harder sometimes! :p

Garten Haeska 08-01-2012 00:40
Re: Official Rebound Rumble Thread
 
Yes, there is always a way around Physic's. I mean its not like we dont have 3 physics majors helping us this year. ;)

joek 08-01-2012 00:47
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by sharontron (Post 1098901)
I would love to get some feedback about my idea for a robot design. Haven't pitched it to my team yet, but I figure I can try the waters on this forum.

In a word: pyramid. With pneumatic suction capacity. The drive train would be a pair of military tracks to develop proper traction for the platforms. Balls would be sucked up via a vacuum that extends from the bottom of the pyramid into the tip of the pyramid's eye.

An arm would extend from the top of the pyramid, grab the ball, and begin dribbling it to increase the potential angle of impact.

A bit complex, but I feel that the dribbling component artfully captures the spirit of basketball. Woodie Flowers talked about Eat Pray Love, the book, in his speech, and in the book, they artfully capture one woman's soul-searching endeavors. This can capture the soul of basketball!!

Would love some suggestions. Thanks!
WELCOME!!!!!!!!!!!!!!
looks complex...

Quote:
Originally Posted by SuperNerd256 (Post 1099026)
Physics never disagrees, it just makes it harder sometimes! :p
just remember -9.8 m/s/s

theprgramerdude 08-01-2012 02:40
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by joek (Post 1099070)
WELCOME!!!!!!!!!!!!!!
looks complex...



just remember -9.8 m/s/s
I like p1 = p2 more. Momentum reaction forces from throwing might be more worrisome on an unstable platform.

Ninja_Bait 08-01-2012 07:57
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by SuperNerd256 (Post 1098982)
Essentially, what we designed was: Kitbot on steroids (changed to pneumatic wheels after the video), some sort of hopper to collect the balls, and a turreted shooter. Not very detailed, but once we saw the game, we finished off the details and now have everything set!

Don't worry, it's legal. We spent 4 hours today checking the rules, and we wouldn't dream of breaking them.
Shame on you for applying a design to a game instead of using the game to define your design. You are all backwards engineers. :ahh:

Tetraman 08-01-2012 08:11
Re: Official Rebound Rumble Thread
 
Current Robot Seed #1 on Blue alliance and Current Seed #2 on Red alliance are against each other in their last match of qualifying.

Talk about a dull match. Plus, that matchup isn't very rare. Guaranteed #1 and #2 by leaps and bounds.

Audrey Chu 14-01-2012 16:10
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by DjMaddius (Post 1098378)
According to some trig I just did, it will be 9.14811439598141 degrees when its down. For some reason, this doesn't seem right but it may well be!
Actually, it should be 25.37693 degrees when down. 9 degrees would be very nice considering that 5 degrees is "balanced."

brittanycb 16-01-2012 17:52
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by DjMaddius (Post 1098378)
According to some trig I just did, it will be 9.14811439598141 degrees when its down. For some reason, this doesn't seem right but it may well be!
A team mate and i used your measurement in CAD and it didn't seem right. So we checked the math in CAD and the measurement we got was 15.83 degrees. We think that when you did your math, you didn't double one of your measurements.
Thanks,
Brittany :)

cgmv123 16-01-2012 18:14
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by brittanycb (Post 1107103)
A team mate and i used your measurement in CAD and it didn't seem right. So we checked the math in CAD and the measurement we got was 15.83 degrees. We think that when you did your math, you didn't double one of your measurements.
Thanks,
Brittany :)
15.8 is about what we got using an iPod bubble level on the ramps at our local kickoff.

cosmicexplorer 17-01-2012 13:22
Re: Official Rebound Rumble Thread
 
From the bumper rules, it seems like the largest gap a team can have on the narrow end of the robot, assuming a width of 27 inches, would be 11 inches, given that bumpers must be extended at least 8 inches from each exterior corner. Is this correct, or are wider gaps permitted?

Dr Theta 17-01-2012 13:39
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by cosmicexplorer (Post 1107746)
From the bumper rules, it seems like the largest gap a team can have on the narrow end of the robot, assuming a width of 27 inches, would be 11 inches, given that bumpers must be extended at least 8 inches from each exterior corner. Is this correct, or are wider gaps permitted?
Your interpretation is correct. That is one reason there has been much discussion and debate over wide vs narrow chassis design this year.

gpetilli 17-01-2012 16:13
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by cosmicexplorer (Post 1107746)
From the bumper rules, it seems like the largest gap a team can have on the narrow end of the robot, assuming a width of 27 inches, would be 11 inches, given that bumpers must be extended at least 8 inches from each exterior corner. Is this correct, or are wider gaps permitted?
I think it is 22 inches. 38-8-8=22. Usually you need to cover 8inch of the frame metal - not to the outside dimension of the bumper; which is what I assume you were thinking.

gpetilli 17-01-2012 16:16
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by Garten Haeska (Post 1099001)
Just though of this while playing Runescape. What if the two robots that we're going on the cooperation bridge left like with 20 seconds left in the game to make sure that it would get done. Would either one of those robot still shoot there basketballs while they are on the bridge, I mean I don't see any rules that this would violate. But correct me if I'm wrong.
You can take the shot, but given the energy needed to lauch the ball, I would expect your bridge to go unbalanced. Probably not a good trade unless you are about to lose the match.

Jeffy 17-01-2012 17:00
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by gpetilli (Post 1107823)
You can take the shot, but given the energy needed to lauch the ball, I would expect your bridge to go unbalanced. Probably not a good trade unless you are about to lose the match.
This brings up an interesting question because the bridge would likely re-level after the shot has been released. So, If the bridge were to be wobbling when the buzzer hits 0, but stops (after the buzzer) in a rest position that is "balanced", do you score points?

GaryVoshol 17-01-2012 17:59
Re: Official Rebound Rumble Thread
 
Quote:
Originally Posted by Jeffy (Post 1107851)
This brings up an interesting question because the bridge would likely re-level after the shot has been released. So, If the bridge were to be wobbling when the buzzer hits 0, but stops (after the buzzer) in a rest position that is "balanced", do you score points?
Assuming you reach equilibrium within 5 seconds, it will count:
Quote:
[G37]
Final scores will be assessed 5 seconds after the Arena timer hits zero.


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