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 I am speechless......but I will think of something by the time it becomes an obvious candidate for the photo caption contest. - Rich Wong [more] |
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One side we used bain bot gear boxes and on this side we used kit gear boxes. This is just a proto type to see how different gear boxes would work. The easy way is direct drive from the gear boxes to the mecanum wheels. The mecanum wheels are home made and we used HDPE, rubber stoppers, brass bearings and 1/4 20 bolts. We lathed the plastic and than used a drill press on a 45 degree angle to make the holes and than a 1 in auger drill bit to counter sink the wheels.
Discussion
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30-12-2008 23:04
Hadi379
Re: pic: Off Season Proto type
I absolutely love the concept you have here. Just a few questions...
1. How does the control board move in relationship to the chassis?
and...
2. Is this design limiting the use of any game mechanism you might want to employ? Would it have to remain on the rear half of the chassis? If it were on the front, could the robot tip going up a ramp?
overall, keep up the good work, great job!!!
31-12-2008 10:49
Robert Cawthon
Re: pic: Off Season Proto type
How flexible is it? Can it "bend" the other way? How far? 
31-12-2008 15:05
joeweber
Re: pic: Off Season Proto type
Yes it will go the other way, we can go over ramps. The main part of the robot does not move as far as the individual wheels due to the fact that they are attached to the center pivot poit of each drive unit. We are still testing if it will tipp when top heavy. Indications are because it can pivot about half way on the robot it tends to allow for the top to tip beyond what is normal. Maybe phnematics to control the suspension movement.
01-01-2009 23:29
joeweber
Re: pic: Off Season Proto type
Just completed a video
http://www.youtube.com/watch?v=xby0S...e=channel_page
02-01-2009 12:37
NickE
Re: pic: Off Season Proto type
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Originally Posted by Hadi379
How does the control board move in relationship to the chassis?
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Also, for your final version, you may want to consider some sort of chain tensioning system. The chain in this picture looks rather loose:
02-01-2009 12:46
Akash Rastogi
Re: pic: Off Season Proto type
I know that the use of the frame would only be determined after the team has seen the game...
But I can't seem to put my finger on a way to use the full length of the frame for the endeffector needed on the robot, if it so requires. Anyone have any ideas? The way it is now, you can in theory only use a half to mount anything on.
I love the design though. Me and RC call ours FlexDrive hehehe
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