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-   -   How does your robot hurdle? (http://www.chiefdelphi.com/forums/showthread.php?t=63303)

waialua359 05-02-2008 02:42

How does your robot hurdle?
 
In addition to running around the track or herding, does your team plan on hurdling the ball? How?
We went with a quick pivot arm that grabs the ball from the ground, holds it on our bot, runs around the track, then lifts and hurdles the ball. Next, repeat steps all over again.
We also have the ability to knock balls off the overpass and place them at the end of matches also.

I have seen a lot of shooters/catapults which seem more effective. However, I am curious as to how they will place or remove balls from the overpass.

czeke 05-02-2008 05:35

Re: How does your robot hurdle?
 
We're planning on lifting the trackball over the trellis, about halfway, and then dropping it over. We can also place it back on the trellis at the end of the match. Ours is a forklift device with a saucer shaped vacuum.

DarkFlame145 05-02-2008 06:52

Re: How does your robot hurdle?
 
We have a flapper on the top if our mast that with springs will shoot the ball off o the overpass.

AdamC 05-02-2008 07:59

Re: How does your robot hurdle?
 
we currently have a double-jointed arm for lifting over, but are prototyping for a catapult to fire over the overpass.

iwashere1990 05-02-2008 08:05

Re: How does your robot hurdle?
 
Our 2 arms design have the capabilities of lifting the ball with 1 piston over, then dropping it on the other side.

MrForbes 05-02-2008 08:32

Re: How does your robot hurdle?
 
We have a catapult shooter type robot, with a patent pending gizmo that knocks the ball off, and we've accidentally placed the ball on the overpass several times while testing the shooter.

Tom Bottiglieri 05-02-2008 08:44

Re: How does your robot hurdle?
 
We're using lots of electrical energy. About 500 watts to be exact.

How it gets converted to kinetic? Well, that my friend, is the cool part.

GaryVoshol 05-02-2008 10:30

Re: How does your robot hurdle?
 
Our arm will be a hybrid between an elevator and 4-bar lift. It's in final construction stages now - pictures should be up soon.

waialua359 05-02-2008 12:50

Re: How does your robot hurdle?
 
Quote:

Originally Posted by AdamC (Post 692512)
we currently have a double-jointed arm for lifting over, but are prototyping for a catapult to fire over the overpass.

So, are you looking to replace your arm, or design to have both? Wow!
**By the way, I think we were in the pit next to each other in NJ07 last year.**

Wayne C. 05-02-2008 13:29

Re: How does your robot hurdle?
 
quickly....

with force



Hopefully repeatedly and efficiently


:D WC

( see ya next month!!)

camtunkpa 05-02-2008 13:34

Re: How does your robot hurdle?
 
Our machine will definitely have an arm capable of placing the ball and hurdling. Depending on weight and time there will be a shooter added to that arm.:cool:

DanDon 05-02-2008 14:02

Re: How does your robot hurdle?
 
Quote:

Originally Posted by waialua359 (Post 692622)
So, are you looking to replace your arm, or design to have both? Wow!
**By the way, I think we were in the pit next to each other in NJ07 last year.**

I think you're thinking of 375 ^_^.

As for the arm/catapult decision...you'll have to wait and see :D.

Artos 05-02-2008 19:09

Re: How does your robot hurdle?
 
Our team is using a pneumatic-operated catapult. However, to get the lever arm long enough we had to make our robot extend to twice it's starting size at the beginning of the match. The catapult arm will start raised at an angle, then drop down once the match starts.

waialua359 06-02-2008 17:12

Re: How does your robot hurdle?
 
Quote:

Originally Posted by DanDon (Post 692646)
I think you're thinking of 375 ^_^.

As for the arm/catapult decision...you'll have to wait and see :D.

Now I remember, the two-eyed camera robot of your 2007 robot.:D

JonathanLKS 06-02-2008 17:24

Re: How does your robot hurdle?
 
We're using a catapult and a seperate knocker device mounted on the top of the catapult frame (so far) that will knock the ball off during hybrid mode. But other than really really accurate shooting we won't be able to place the ball back without help, hopefully we'll be able to hurdle fast enough to make up for it though.


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