Robot Arm B/C [Trial]

chalker
Member
Member
Posts: 2104
Joined: January 9th, 2009, 7:30 pm
Division: Grad
State: OH
Has thanked: 1 time
Been thanked: 40 times

Re: Robot Arm B/C [Trial]

Post by chalker » April 1st, 2011, 8:11 pm

rjm wrote:We considered buying the OWI kit and trying it, but when I layed out the field to scale in AutoCAD and checked the reach to each goal, we realized that the OWI kit couldn't reach much of anything, so we dropped the idea. I found some arm kits online for which were fairly expensive which could reach better. It's hard to justify spending much money on the trial events.
I"m curious, did you get detailed specs from OWI or did you just estimate based upon the general product description regarding size / reach / etc? There is a lot of room for interpretation in what the generic specs actually mean.

Student Alumni
National Event Supervisor
National Physical Sciences Rules Committee Chair

rjm
Member
Member
Posts: 75
Joined: March 31st, 2002, 4:07 pm
Location: Grand Haven, MI
Has thanked: 0
Been thanked: 0

Re: Robot Arm B/C [Trial]

Post by rjm » April 1st, 2011, 9:58 pm

We didn't explore it that far; I was looking at the advertised information on the OWI Robotic Arm Trainer Kit, which claims a maximum horizontal reach of 360 mm and a maximum lifting capacity of 130 g. Depending on where that reach is measured - center of motion or edge of the base - this version of the OWI kit almost reaches the side goals. (It appears that the center of the base to the center of the side goal would be 403 mm.) With homemade end effectors or extensions on the stock gripper, the side goals are just scoreable, the northernmost goals are out of reach, and the capacity will drop off with the extension of the reach. Frankly, we didn't have the time, resources, or interest to do much more than learn to operate a kit for a trial, and this one didn't really fit the event. When the event goes live next year, we'll deal with it.

Bob Monetza
Grand Haven, MI

User avatar
whadk
Member
Member
Posts: 27
Joined: November 18th, 2009, 8:53 am
Division: C
State: IN
Has thanked: 0
Been thanked: 0

Re: Robot Arm B/C [Trial]

Post by whadk » April 8th, 2011, 6:09 am

Dark Sabre wrote:Indiana chose not to run Sumo, but they are using Robot Ramble instead: https://www.indianascienceolympiad.org/ ... ?newsID=29
ehhh?
RWARRRR :)

User avatar
whadk
Member
Member
Posts: 27
Joined: November 18th, 2009, 8:53 am
Division: C
State: IN
Has thanked: 0
Been thanked: 0

Re: Robot Arm B/C [Trial]

Post by whadk » April 8th, 2011, 6:09 am

I still heard it's an actual event in nationals though,,
RWARRRR :)

jander14indoor
Member
Member
Posts: 1584
Joined: April 30th, 2007, 7:54 am
Has thanked: 0
Been thanked: 1 time

Re: Robot Arm B/C [Trial]

Post by jander14indoor » April 8th, 2011, 6:28 am

Its a trial event at nationals this year. Anyone can compete, primary or alternate team members. Medals awarded, but does not count towards team score.

Jeff Anderson
Livonia, MI

chalker7
Member
Member
Posts: 612
Joined: September 27th, 2010, 5:31 pm
Division: Grad
State: HI
Has thanked: 0
Been thanked: 1 time

Re: Robot Arm B/C [Trial]

Post by chalker7 » April 8th, 2011, 7:33 am

I think whadk was asking about Sumo Bots, which is still a full event at nationals. What Jeff is referring to above is the way Robot Arm will be run there.
National event supervisor - Wright Stuff, Helicopters
Hawaii State Director

User avatar
whadk
Member
Member
Posts: 27
Joined: November 18th, 2009, 8:53 am
Division: C
State: IN
Has thanked: 0
Been thanked: 0

Re: Robot Arm B/C [Trial]

Post by whadk » April 9th, 2011, 8:46 am

chalker7 wrote:I think whadk was asking about Sumo Bots, which is still a full event at nationals. What Jeff is referring to above is the way Robot Arm will be run there.
yea,,i was referring to Sumo,,
RWARRRR :)

questionguy
Member
Member
Posts: 126
Joined: November 23rd, 2010, 4:29 pm
Division: C
State: VA
Has thanked: 0
Been thanked: 0

Re: Robot Arm B/C [Trial]

Post by questionguy » April 12th, 2011, 7:44 pm

Are there any pictures or videos from any of the competitions with Robot Arm as a trial event? Just trying to visualize what a completed one might look like.

andrew_cockman
Member
Member
Posts: 4
Joined: April 13th, 2011, 5:46 am
Division: C
State: IN
Has thanked: 0
Been thanked: 0

Re: Robot Arm B/C [Trial]

Post by andrew_cockman » April 13th, 2011, 3:01 pm

does anyone have pictures of robot arm, THAT DOESN'T use vex kits. That can also reach all the way across the field.

science95
Member
Member
Posts: 2
Joined: April 27th, 2011, 7:10 am
Division: C
State: TN
Has thanked: 0
Been thanked: 0

Re: Robot Arm B/C [Trial]

Post by science95 » April 27th, 2011, 7:13 am

In controling the robotic arm, are computers allowed? Also, if they are allowed, is preprogramming the computer allowed?

Locked

Return to “2011 Build Events”

Who is online

Users browsing this forum: No registered users and 11 guests