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Unread 02-02-2009, 16:01
Nate Edwards Nate Edwards is offline
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Team 957 1/30 Update

Its been a few years since we have updated during the build season but I figured I would share our progress up to the the 30th of January. The pictures are posted here:
http://www.team957.com/01_30_09/

Please share any comments you have.

Thanks
Nate Edwards
957
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Unread 02-02-2009, 16:23
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Jared Russell Jared Russell is offline
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Re: Team 957 1/30 Update

Very nice coaxial crab drive. Just make sure that bumpers will be supported all the way around the frame.

What motors are you using for steering?
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Unread 02-02-2009, 16:25
Nate Edwards Nate Edwards is offline
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Re: Team 957 1/30 Update

Quote:
Originally Posted by Abwehr View Post
Very nice coaxial crab drive. Just make sure that bumpers will be supported all the way around the frame.

What motors are you using for steering?
We are adding bumper supports as we have an inch of play on the outside of the frame each way. The bumpers will be added tonight, there will be 6 inches on either side of the large opening on the front and the sides and back will be completly covered. We call it the golden ratio.

For the steering we are using a 1:1 ratio with the window motor. It may be too fast so we may tone it down.
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2002 Pacific NW Regional Rookie All Star Award Winners
2003 Pacific NW Regional Daimler Chrysler Team Spirit Award Winners
2004 Pacific NW Regional Johnson & Johnson Sportsmanship Award Winners
2004 Pacific NW Regional Winning Alliance (492 (#1 Seed), 1031, 957)
2003 & 2005 Pacific NW Regional Chairman's Award Winners
2009 Oregon Regional Woodie Flowers Award Winner
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Unread 02-02-2009, 16:28
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Re: Team 957 1/30 Update

very interesting design, ours is somewhat similar minus the 8 wheels lol will you guys be shooting any?
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Unread 02-02-2009, 16:33
Nate Edwards Nate Edwards is offline
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Re: Team 957 1/30 Update

Quote:
Originally Posted by katyrobo2177 View Post
very interesting design, ours is somewhat similar minus the 8 wheels lol will you guys be shooting any?
We will be having a conveyor about 8 inches from the back made out of industrial belt. It will take them to the top where a small ramp will shoot out the balls. Our best distance is about 5-7 feet away. We can slow down the motor to shoot closer and we can shoot a little further away with less accuracy. The last test (on the wooden platform you can see on the left in the last picture) we did we scored 14 out of 15 from 6 feet.
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2002 Pacific NW Regional Rookie All Star Award Winners
2003 Pacific NW Regional Daimler Chrysler Team Spirit Award Winners
2004 Pacific NW Regional Johnson & Johnson Sportsmanship Award Winners
2004 Pacific NW Regional Winning Alliance (492 (#1 Seed), 1031, 957)
2003 & 2005 Pacific NW Regional Chairman's Award Winners
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Unread 02-02-2009, 16:42
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katyrobo2177 katyrobo2177 is offline
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Re: Team 957 1/30 Update

Quote:
Originally Posted by Nate Edwards View Post
We will be having a conveyor about 8 inches from the back made out of industrial belt. It will take them to the top where a small ramp will shoot out the balls. Our best distance is about 5-7 feet away. We can slow down the motor to shoot closer and we can shoot a little further away with less accuracy. The last test (on the wooden platform you can see on the left in the last picture) we did we scored 14 out of 15 from 6 feet.
That is awesome!! And it sounds like you have pretty good accuracy. What type of motors are you using for shooting? We are doing something similar with shooting and 2 conveyor systems controlled by one motor to pick up the balls from the floor to put them into a shooter device that we will be testing again this next week
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Unread 02-02-2009, 16:49
Nate Edwards Nate Edwards is offline
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Re: Team 957 1/30 Update

Quote:
Originally Posted by katyrobo2177 View Post
That is awesome!! And it sounds like you have pretty good accuracy. What type of motors are you using for shooting? We are doing something similar with shooting and 2 conveyor systems controlled by one motor to pick up the balls from the floor to put them into a shooter device that we will be testing again this next week
We are using a globe motor or two with the gearbox for the conveyor and a friction driven fisher price (without gearbox.) attached to an 8 inch wheel.
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2002 Pacific NW Regional Rookie All Star Award Winners
2003 Pacific NW Regional Daimler Chrysler Team Spirit Award Winners
2004 Pacific NW Regional Johnson & Johnson Sportsmanship Award Winners
2004 Pacific NW Regional Winning Alliance (492 (#1 Seed), 1031, 957)
2003 & 2005 Pacific NW Regional Chairman's Award Winners
2009 Oregon Regional Woodie Flowers Award Winner
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Unread 02-02-2009, 17:00
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Jared Russell Jared Russell is offline
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Re: Team 957 1/30 Update

Quote:
Originally Posted by Nate Edwards View Post
We are adding bumper supports as we have an inch of play on the outside of the frame each way. The bumpers will be added tonight, there will be 6 inches on either side of the large opening on the front and the sides and back will be completly covered. We call it the golden ratio.

For the steering we are using a 1:1 ratio with the window motor. It may be too fast so we may tone it down.
Obviously the back won't be "completely" covered (i.e. the hitch). But without doing the trig myself I *think* you'll still be good, 2/3 coverage wise.

Can't wait to see it in action!
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